JP2000173718A - Electrical connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connector capable of being fully shielded electromagnetically and capable of preventing electrical components such as a CCD from being destroyed by static electricity in handling. SOLUTION: An electrical connector having contact electrodes formed on surfaces of a first board 11 and a second board 12 and inserted into a mating connector, is equipped with contact electrodes 14b for power supply and for signals provided on the surfaces of the first and second boards 11, 12, a third board 13 for detachably covering an introduced part of the mating connector connected to the two contact electrodes 14b, and electrical shields 17 formed on surfaces which are not provided with the two contact electrodes 14b of the first and second boards 11, 12, and on outer surfaces of the third board 13 covering the introduced part of the mating connector.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image pickup apparatus for an endoscope having an image pickup function such as a CCD or the like, which is provided at a distal end of a cable connected to the endoscope and electrically connected to a control unit. Electrical connector.

[0002]

2. Description of the Related Art An endoscope image pickup apparatus or endoscope having an image pickup function such as a CCD has a cable led out from an operation section thereof, and an electrical connector is provided at a distal end of the cable. The electrical connector is connected to a control unit that drives and controls the CCD and the like.

[0003] The electrical connector has a contact electrode connected to a power supply line and a signal line, and the receptacle of the control unit is provided with an electrical contact corresponding to the contact electrode. Then, by inserting the electrical connector into the receptacle, the contact electrode and the electrical contact come into contact, and the control unit and the endoscope are electrically connected.

Conventionally, this type of electrical connector is known, for example, from Japanese Patent Application Laid-Open No. 6-251828. In this electrical connector, a printed circuit board having a contact electrode is provided on a plug case made of an insulating material, and an electromagnetic shielding contact is provided at a position farther from the contact electrode as viewed from the insertion side of the printed circuit board. The receptacle is provided with an electrical contact that contacts the contact electrode and an electromagnetic shielding contact that contacts the electromagnetic shielding contact.

[0005]

However, the device disclosed in Japanese Patent Application Laid-Open No. 6-251828 is sufficiently electromagnetically shielded by an electromagnetic shielding contact and an electromagnetic shielding contact. It is in a state of being exposed protruding from the case. Therefore,
There is a problem that static electricity is generated when the contact electrode of the electrical connector is touched, and the static electricity destroys a device such as a CCD.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an electric connector which can sufficiently shield electromagnetic waves and can prevent adverse effects on equipment due to static electricity. It is in.

[0007]

According to the present invention, in order to achieve the above object, according to the present invention, at least one contact electrode is formed on a surface of a first insulator and is inserted into a mating connector. An electrical connector, comprising: a contact electrode provided on a surface of the first insulator; a second insulator detachably covering an introduction portion of the mating connector connected to the contact electrode; An electrical connector comprising: a surface on which the contact electrode of the insulator is not provided; and an electrical shield formed on an outer surface of the second insulator covering the introduction portion of the mating connector. It is in.

According to a second aspect of the present invention, there are provided two plate-shaped first insulators each having an electric shield formed on one surface, and a plate-shaped second insulator having at least one end face partially cut away. The shield surfaces of the two first insulators are respectively placed outside, and the second insulator is sandwiched between the cutout end surfaces in the introduction direction of the mating connector so as to be aligned with each other,
An electrical connector characterized in that at least one contact electrode on at least one of the two first insulators is formed in a cutout on a cutout end face of the second insulator. It is in.

According to the above configuration, the first electrical connector
A power supply contact electrode and a signal contact electrode as contact electrodes are formed on the insulator, but since both electrodes are provided from a position separated by a predetermined distance from the insertion end, there is no risk of finger touch. In addition, since the outer peripheral portions of the first insulator and the second insulator are covered with an electric shield, they have sufficient electromagnetic shielding properties.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show a first embodiment, and FIG.
2 is a vertical sectional side view of the electrical connector, FIG. 2 is a perspective view of the electrical connector, FIG. 3 is a plan view of the board, and FIG. 4 is a vertical sectional side view showing a connection state of the electrical connector with a mating connector. As shown in FIGS. 1 and 2, the connector main body 1 formed of an electrically insulating material such as a synthetic resin material has a flat rectangular shape, and a tapered portion 1a is provided at a rear end portion. The tapered portion 1a is provided with an insertion hole 1b through which the cable 2 is inserted.

At the front end of the connector body 1, there is provided a flat rectangular opening 3 opening to the front, and at the innermost part of the opening 3, a metal clamp member 4a divided into upper and lower two parts. , 4b are provided. The clamp members 4a and 4b tighten the overall shield portion 2a of the cable 2 with the tightening screw 5 to make the overall shield portion 2a and the clamp members 4a and 4b electrically conductive and to connect the cable 2 and the connector body 1 to each other. Are connected mechanically.

Inside the opening 3 of the connector body 1, a rectangular frame-shaped support frame 6 made of an electrically insulating material is provided at the front of the clamp members 4a and 4b. A shield plate 7 made of a plate is provided. The base ends of these shield plates 7 are connected to the clamp members 4a and 4b by the tightening screws 5, and the distal ends are provided with spring contacts 7a.

Further, inside the support frame 6, there is provided an insertion connection portion 8 projecting from the front end of the connector main body 1 and being inserted and connected to a mating connector described later.
Are fixed to the support frame 6 by fixing screws 9.

The insertion connecting portion 8 is provided with a second insulating material 2
Sheets of first and second substrates 11 and 12 and first and second substrates 1
And a third substrate 13 as a second insulator interposed between the first and second substrates. First and second substrates 11, 1
Numeral 2 is a rectangular plate having the same dimensions as shown in FIG. 3, and contact electrodes 14 are provided on the lower surface of the first substrate 11 and the upper surface of the second substrate 12 by printed wiring. Third
The substrate 13 is slightly shorter than the first and second substrates 11 and 12,
A substantially U-shaped notch 13a is provided at the tip end, and no printed wiring is provided on the upper and lower surfaces.

The contact electrode 14 is a single power supply contact electrode 1.
4a and a plurality of signal contact electrodes 14b.
And the second substrates 11 and 12 are arranged in parallel along the longitudinal direction. Furthermore, the power contact electrode 14a is slightly longer than the signal contact electrode 14b, and the first and second substrates 11, 1
2, the two electrodes 14a and 14b are provided from a position separated by a predetermined distance from the distal end surface. The connecting portion 1 is provided at the base ends of the power supply contact electrode 14a and the signal contact electrode 14b.
5 is provided, and a lead wire 16 extending from the cable 2 is connected to the connection portion 15 by soldering.

The upper and side surfaces of the first substrate 11, the second substrate 1
The lower surface and the side surface of the second substrate 2 and the side surface of the third substrate 13, that is, the entire outer peripheral surface of the insertion connection portion 8, are formed with an electric shield 17 provided with a metal film by a printed wiring board or the like. Is in contact with a spring contact 7a of the shield plate 7.

In the insertion connecting portion 8 thus configured, an opening 18 is formed on the front surface of the first to third substrates 11, 12, and 13 of a size that does not allow a finger to be inserted. The power supply contact electrode 14 a is provided inside the opening 18.
And the signal contact electrode 14b are formed.
Since 4a and 14b are provided at positions separated by a predetermined distance from the distal end surface, there is no danger of fingers touching them. Further, the outer peripheral portion of the insertion connection portion 8 is covered with the electric shield 17, and sufficient electromagnetic shielding can be performed. .

FIG. 4 shows a mating connector to which the electrical connector configured as described above is connected. The mating connector is provided in a control unit (not shown). In FIG. 4A, reference numeral 20 denotes a housing made of an insulating material such as a synthetic resin material, and is formed in a flat rectangular shape almost similarly to the connector main body 1. This housing 2
0 has an opening 21 into which the insertion connection portion 8 of the connector body 1 is inserted.

An insulating member 22 in the form of a plate is provided substantially in the middle of the opening 21 of the housing 20 in the vertical direction in parallel with the inner lower surface 20a and the inner upper surface 20b of the housing 20. Signal contact electrodes 23 are provided on the upper and lower surfaces of the insulating member 22 in parallel with the insertion direction of the connector body 1, and spring contacts 23 a are provided at the tips of both electrodes 23. Further, a shield cover 25 is provided on the inner lower surface 20a and the inner upper surface 20b of the housing 20 so as to cover the signal contact electrode 23.
5a is provided.

The signal contact electrode 23 is connected to a control board in a camera controller (not shown) inside the control unit, and the shield cover 25 is grounded to GND on the control board.

According to the electrical connector and the mating connector configured as described above, the insertion connection portion 8 of the connector body 1 is provided.
4 is inserted into the opening 21 of the housing 20, FIG.
As shown in (b), the electric shield 17 is connected to the spring contact 25a of the shield cover 25. When the connector body 1 is further inserted, the signal contact electrode 14b is connected to the signal contact electrode 2 of the housing 20 as shown in FIG.
3 is connected to the third spring contact 23a. Finally, the distal end surface of the connector main body 1 contacts the distal end surface of the housing 20, and the electrical connector is electrically and mechanically connected to the mating connector.

As described above, when the electric connector is inserted into and removed from the mating connector, even if the operator touches the insertion connection portion 8 of the connector body 1, the finger does not touch the signal contact electrode 14b. Therefore, destruction of electric parts such as CCD can be prevented, and the signal contact electrode 14b
Is covered by the electric shield 17 and the signal contact electrode 23 is covered by the shield cover 25.
Generation of electromagnetic noise can be prevented.

FIG. 5 shows a first modification of the third substrate 13 of the first embodiment. The third substrate 26 has a rectangular plate whose longitudinal direction is shorter than the first and second substrates 11 and 12. age,
An interval is formed between the first and second substrates 11 and 12.

FIG. 6 shows a second modification of the third substrate 13 of the first embodiment, in which two rod-like members are interposed at both side edges along the longitudinal direction of the first and second substrates 11 and 12. The third substrate 27 is formed by forming an interval between the first and second substrates 11 and 12.

FIGS. 7A and 7B show the first embodiment of the first embodiment.
And a first modified example of the connection portion 15 between the power supply contact electrode 14a and the signal contact electrode 14b of the second substrates 11 and 12 and the lead wire 16, and a through hole 28 is formed in the first and second substrates 11 and 12. Is provided. First and second substrates 11,
On the opposite side of 12, an area 29 where the electric shield 17 is not provided is provided, and soldered in this area 29.

FIG. 8 shows a second modification of the connection portion 15 between the power supply contact electrode 14a and the signal contact electrode 14b of the first and second substrates 11 and 12 and the lead wire 16 according to the first embodiment. A commercially available connector 3 is provided on the first and second substrates 11 and 12.
0 is provided. The power supply contact electrode 14a and the signal contact electrode 14b of the first and second substrates 11 and 12 are connected to the lead wire 16 via the connector 30.

FIG. 9 shows a third modification of the connection portion 15 between the power supply contact electrode 14a and the signal contact electrode 14b of the first and second substrates 11 and 12 and the lead wire 16 of the first embodiment. A commercially available connector 3 is provided on the first and second substrates 11 and 12.
0 is provided. A flexible board 31 is connected to the connector 30, and a lead 16 is connected through the flexible board 31.

FIGS. 10A and 10B show the deformation of the connecting portion 15 between the power supply contact electrode 14a and the signal contact electrode 14b of the first and second substrates 11 and 12 and the lead wire 16 in the first embodiment. Example 4 is shown, and a through hole 32 is provided in the power supply contact electrode 14 a of the first and second substrates 11 and 12. On the opposite surfaces of the first and second substrates 11 and 12, a bypass capacitor 33 is connected between the electric shield 17 and the power supply contact electrode 14a to prevent power supply noise.

FIG. 11 shows a modified example 5 of the first substrate 11 of the first embodiment, in which a vertical display section 34 of the connector main body 1 is provided on a part of the electric shield 17 of the first substrate 11. In this modification, the coating of the electric shield 17 is peeled off, for example, in the shape of the character [UP].
Normally, the base of the first substrate 11 is green, and the electrical shield 17 is brown, so that the display unit 34 is clear.

FIG. 12 shows a sixth modification of the first and second substrates 11 and 12 of the first embodiment.
The connector body 1 is attached to a part of the
In this modified example, the coating of the electric shield 17 is peeled off, for example, in the shape of an [arrow] symbol. Usually, the first substrate 11
Is green, and the electrical shield 17 is brown, so that the display unit 35 is clear. In addition, a legally defined display such as a company name or a CE mark may be displayed.

FIG. 13 shows a second embodiment, in which the same components as those in the first embodiment have the same reference numerals and description thereof will be omitted. In this embodiment, the connector main body 36 is divided into a rectangular front member 36a and a tapered rear member 36b, and both members 36a and 36b are fitted to each other. Things.

FIG. 14 shows a third embodiment, in which the same components as those in the first embodiment have the same reference numerals and description thereof will be omitted. In the present embodiment, the shield plate 38 in the connector body 1 is used.
Are integrally extended forward to cover the outside of the first and second substrates 11 and 12 to form an electric shield.

FIG. 15 shows a fourth embodiment, in which the same components as those in the first embodiment have the same reference numerals and description thereof will be omitted. In this embodiment, instead of the first and second substrates 11 and 12, a first insulator 39 and a second insulator 40 formed of a synthetic resin material are overlapped to form an insertion connection portion 41. . A power supply contact electrode 42a and a signal contact electrode 42b are formed on the first and second insulators 39 and 40 by, for example, three-dimensional wiring.

FIG. 16 shows a fifth embodiment, in which the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. In this embodiment, instead of the first and second substrates 11 and 12, the insertion connection portion 44 is formed by an insulator 43 of an integral structure molded of a synthetic resin material. The power supply contact electrode 4 is formed on the insulator 43 by, for example, three-dimensional wiring.
2a and a signal contact electrode 42b are formed, and are connected to the lead wire 16 by a through hole 45 by soldering.

FIG. 17 shows the sixth embodiment. The same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. This embodiment is different from the first and second substrates 1 of the first embodiment.
A fourth substrate 97 having a contact electrode 14 on the upper surface and a lower surface is disposed between the first and second substrates 12, 12, and two openings 18 are provided. May be provided three or more.

FIGS. 18 (a) and 18 (b) show a seventh embodiment, in which the same components as those in the first embodiment have the same reference numerals and description thereof will be omitted. In the present embodiment, a mating connector 47 as a receptacle is formed by extending a part of two control boards 46 built in the control unit 24, and a signal contact electrode is provided on an inner surface of the control board 46. 23
An electric shield 98 of printed wiring is provided so as to cover. Further, a contact plate 48 having a spring contact 48 a is fixed to the control board 46 by a screw 49 on the electric shield 98. According to this embodiment, the housing 20 becomes unnecessary, and the structure can be simplified.

FIGS. 19 (a) and 19 (b) show an eighth embodiment, in which the same components as those in the seventh embodiment are denoted by the same reference numerals and description thereof will be omitted. In this embodiment, the mating connector 47 is configured by extending a part of the two control boards 46 built in the control unit 24, and the control board 4
An electrical shield 98 by printed wiring is provided on the inner surface of 6 so as to cover the signal contact electrode 23. Further, a contact plate 48 having a spring contact 48 a is fixed to the control board 46 by solder 50 on the electric shield 98. According to this embodiment, similarly to the seventh embodiment, the housing 20 becomes unnecessary, and the structure can be simplified.

FIG. 20 shows a ninth embodiment. The same components as those in the first embodiment are designated by the same reference numerals and their description is omitted. In the present embodiment, a connector body 51 integrally formed of a synthetic resin material is provided with an opening 52 that opens forward. Inside the opening 52, a rectangular frame-shaped holding frame 53 made of a synthetic resin material is provided.
3, a shield plate 54 is provided to cover the entire circumference.
On the inside, signal contact electrodes 55 are provided facing each other. Tip of shield plate 54 and signal contact electrode 55
Are provided with spring contacts 54a and 55a at the tip.

FIG. 21 shows the tenth embodiment. The same components as those in the ninth embodiment are denoted by the same reference numerals and description thereof is omitted. In this embodiment, the connector body 56 formed of a synthetic resin material is divided into a rectangular front member 56a and a tapered rear member 56b.
6b is fitted. Also, an O-ring 57 is provided between the two members 56a and 56b, and an O-ring 58 is provided between the rear member 56b and the cable 2 to have a waterproof structure.

FIG. 22 shows the eleventh embodiment. The same components as those in the ninth embodiment are denoted by the same reference numerals and description thereof is omitted. In this embodiment, a rectangular frame-shaped holding frame 53 made of a synthetic resin material is provided at an opening 52 of a connector main body 51, and a shield plate 54 is provided outside the holding frame 53. Are provided with signal contact electrodes 55 facing each other. Spring contacts 54a, 55a are provided at the tip of the shield plate 54 and the tip of the signal contact electrode 55, respectively.
Is provided.

FIG. 23 shows a twelfth embodiment.
The same components as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the present embodiment, the opening 52 of the connector body 51 is used.
Is provided with a rectangular frame-shaped holding frame 53 made of a synthetic resin material protruding forward, and a shield plate 59 made of a metal frame is fixed to the outside of the holding frame 53 by screws 60.
On the inside, signal contact electrodes 55 are provided facing each other. A spring contact 55a is provided at the tip of the signal contact electrode 55.
Is provided.

FIGS. 24 to 26 show a thirteenth embodiment. As shown in FIG. 24 and FIG. 25, the present embodiment employs a mating connector 62 as a receptacle on a printed circuit board 61 having a three-layer structure built in the control unit 24.
Are provided so as to be connectable to the electrical connector shown in the ninth embodiment. An electrical shield plate 63 formed by printed wiring is provided on the outer peripheral edge of the printed board 61. A convex portion 64 made of an insulating substrate is provided on a part of the printed board 61, and a power contact electrode 65a and a plurality of signal contact electrodes 65b are provided on the upper and lower surfaces of the convex portion 64. Further, the power supply contact electrode 65a and the signal contact electrode 65b are connected to the printed circuit board 61 through a through hole 66 and a communication pattern 67 provided in the printed circuit board 61.
Are connected to the printed wiring 68.

According to the present embodiment, as shown in FIG. 26, by connecting the electrical connector, the shield plate 54 of the electrical connector first comes into contact with the electrical shield plate 63 of the printed board 61, and furthermore, The signal contact electrode 5 of the electrical connector is inserted by inserting the electrical connector.
5 contacts the signal contact electrode 65b of the printed circuit board 61.

FIGS. 27A and 27B show a fourteenth embodiment. The same components as those of the thirteenth embodiment are denoted by the same reference numerals and description thereof is omitted. This embodiment shows a two-layer printed circuit board structure, in which a power supply contact electrode 65a and a plurality of signal contact electrodes 65b are provided on the upper surface of the first layer 71, and are indicated by broken lines on the lower surface of the second layer 72. Thus, the signal contact electrode 65c is provided between the signal contact electrodes 65b. A connection pattern (not shown) is provided on the lower surface of the first layer 71, and is provided with the power supply contact electrode 65 a and the signal contact electrode 65 b of the first layer 71 and the through hole 7.
4 are connected. On the upper surface of the second layer 72, a connection pattern 73c is provided.
Is connected to the signal contact electrode 65c through the through hole 74.

FIGS. 28A and 28B show a fifteenth embodiment, in which a rectangular mating connector 76 is provided in a part of a shield case 75 built in a control unit. The mating connector 76 is provided with an opening 77 that opens forward, and a protrusion 78 provided integrally with the control printed board is inserted into the opening 77. Signal contact electrodes 79 are provided on the upper and lower surfaces.

According to this embodiment, by connecting to the connector body 51 shown in the eleventh embodiment, the spring contact 54a of the shield plate 54 comes into contact with the shield case 75, and the spring contact 54 of the signal contact electrode 55 55 a contacts the signal contact electrode 79 on the printed circuit board 78.

FIG. 29 shows a modification of the fifteenth embodiment, in which a shield plate 8 having a spring contact 80a on the shield case 75 side instead of the spring contact 54a of the shield plate 54.
0 is provided.

FIGS. 30 (a) and 30 (b) show a sixteenth embodiment, in which a part of first, second and third printed circuit boards 81, 82 and 83 for control built in a control unit 24 is provided. Rectangular projections 81a, 82a, 83a are provided. On the lower surface of the first printed circuit board 81 and on the upper surface of the third printed circuit board 83, an electric shield plate 84 by printed wiring is provided, and on the upper and lower surfaces of the second printed circuit board 83, signal contact electrodes 85 are provided. ing.

According to this embodiment, by connecting to the connector body 51 shown in the eleventh embodiment, the spring contact 54a of the shield plate 54 is electrically connected to the first and third printed boards 81 and 83. The contact 84 contacts the plate 84, and the spring contact 55a of the signal contact electrode 55
And the second signal contact electrode 85.

FIG. 31 shows a modification of the sixteenth embodiment. A shield plate 86 having a spring contact 86a is provided on the first and third printed circuit boards 81 and 83 in place of the spring contact 54a of the shield plate 54. It is a thing.

FIGS. 32 (a) and 32 (b) show a seventeenth embodiment, in which a part of first, second and third printed circuit boards 81, 82 and 83 for control built in a control unit 24 is provided. Rectangular projections 81a, 82a, 83a are provided. An electric shield plate 84 is provided on the upper surface of the first printed circuit board 81 and the lower surface of the third printed circuit board 83, and the lower surface of the first printed circuit board 81, the upper surface of the third printed circuit board 83, and the second printed circuit board are provided. Signal contact electrodes 85 are provided on the upper and lower surfaces of the substrate 82.

On the other hand, the electrical connector has a connector body 99 formed of a synthetic resin material, and an opening 52 that opens forward. Two plate-shaped insulating members 100 are provided inside the opening 52. A shield plate 54 is provided inside the connector main body 99 so as to cover the entire circumference, and a spring contact 54a is provided at the tip of the shield plate 54. A signal contact electrode 55 is provided on the upper and lower surfaces of the insulating member 100, and a spring contact 55 a is provided at the tip of the signal contact electrode 55.

According to the present embodiment, the connector body 5
1, the spring contact 5 of the shield plate 54
4a comes into contact with the electric shield plate 84 of the first and third printed boards 81 and 83, and the spring contact 55a of the signal contact electrode 55 is connected to the first, second and third printed boards 81 and 8.
2 and 83 are in contact with the signal contact electrodes 85.

FIG. 33 shows a modification of the seventeenth embodiment, in which the connector body 99 is made of metal and the first and third printed circuit boards 8 are used instead of the spring contacts 54a of the shield plate 54.
A shield plate 86 having a spring contact 86a is provided on the side 1 and 83.

FIG. 34 shows an eighteenth embodiment, in which a control printed circuit board 90 built in a control unit is used.
Is provided with a rectangular convex part 91 at a part thereof. A pattern 92 for a new model is provided on one side of the convex portion 91 in the width direction, and a common pattern 93 for the new and old models is provided on the other side. That is, in the case of the new model, the new model pattern 92 and the new and old model shared pattern 93 are used, and in the case of the old model, only the new and old model shared pattern 93 is used. Is provided with a notch 94 from the tip side of the convex portion 91.

On the other hand, the electrical connector 95 for the new model is formed wide so as to fit over the entire convex portion 91, and is simultaneously connected to the pattern 92 for the new model and the common pattern 93 for the new and old models. The electric connector 96 for the old model is formed to have a narrow width so as to fit into a part of the convex portion 91, and one side of the connector 96 is inserted into the cutout 94 and connected to the common pattern 93 for the new and old models. .

Therefore, there is compatibility that a new camera controller can be connected to an old endoscope imaging device.

According to the above-described embodiment, the following configuration is obtained.

(Supplementary Note 1) In an electrical connector inserted into a mating connector, one or more contact electrodes are formed on a surface of a first insulator, and a contact provided on a surface of the first insulator is provided. An electrode, a second insulator removably covering an introduction portion of the mating connector connected to the contact electrode, and a surface of the first insulator on which the contact electrode is not provided and introduction of the mating connector. An electrical shield formed on an outer surface of the second insulator covering the portion.

(Supplementary Note 2) Two plate-shaped first insulators each having an electric shield formed on one surface, and a plate-shaped second insulator whose at least one end face is partially cut away. The shield surfaces of the two first insulators are respectively set to the outside, and the second insulator is sandwiched therebetween so that the cut-out end faces are aligned in the introduction direction of the mating connector,
An electrical connector characterized in that at least one contact electrode on at least one of the two first insulators is formed in a cutout on a cutout end face of the second insulator. .

(Supplementary note 3) The electrical connector according to supplementary note 1 or 2, wherein the first insulator is a printed circuit board, and the contact electrodes are printed.

(Supplementary Note 4) The contact electrode comprises a band-like power supply contact electrode and a signal contact electrode along the insertion direction.
3. The electrical connector according to claim 1, wherein the power supply contact electrode extends to the insertion end side from the signal contact electrode, and is connected first when inserted into the mating connector.

(Supplementary Note 5) The electrical connector according to Supplementary Note 1, wherein a portion of the second insulator covering a leading portion of the mating connector is a U-shaped cutout.

(Supplementary Note 6) The electrical connector according to Supplementary Note 2, wherein the interval between the two plate-shaped first insulators is formed to be narrow so that fingers cannot be inserted.

(Supplementary note 7) The electrical connector according to supplementary note 6, wherein a contact electrode is provided on inner surfaces of the two first insulators facing each other, and an electrical shield is provided on the outer surface. .

(Supplementary Note 8) In the control unit body,
In a control unit having a receptacle electrically connected to a control board for an internal camera controller, the receptacle is provided integrally with the control board and protrudes from the main body of the control unit. A controller unit comprising: a contact electrode provided.

(Supplementary Note 9) The insulating substrate includes at least two insulating substrates arranged at a predetermined interval, and a contact electrode is provided on an inner surface of the insulating substrate, and a shield cover for covering the contact electrode is provided on an outer surface. Appendix 8 characterized in that
Control unit as described.

[0069]

As described above, according to the first and second aspects of the present invention, the electromagnetic shield can be sufficiently provided by the electrical shield structure covering the contact electrodes, and at the same time, the generation of static electricity during handling can be prevented, and the CCD and the like can be used. This has the effect of preventing an adverse effect on the device, and providing a simple and inexpensive structure.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view of an electrical connector according to a first embodiment of the present invention.

FIG. 2 is an exemplary perspective view of the electrical connector according to the embodiment;

FIG. 3 is a plan view of a first substrate, a second substrate, and a third substrate of the embodiment.

FIG. 4 is a vertical cross-sectional side view showing an operation of inserting the electrical connector of the embodiment into a mating connector.

FIG. 5 is a plan view showing Modification Example 1 of the third substrate of the embodiment.

FIG. 6 is an exemplary plan view showing a second modification of the third substrate of the embodiment;

FIG. 7 is an exemplary plan view showing a first modification of the first and second substrates of the embodiment;

FIG. 8 is a plan view showing Modification 2 of the first and second substrates of the embodiment.

FIG. 9 is an exemplary plan view showing a third modification of the first and second substrates of the embodiment;

FIG. 10 is an exemplary plan view showing a fourth modification of the first and second substrates of the embodiment;

FIG. 11 is an exemplary plan view showing a fifth modification of the first and second substrates according to the embodiment;

FIG. 12 is an exemplary plan view showing a sixth modification of the first and second substrates according to the embodiment;

FIG. 13 is a vertical side view of an electrical connector according to a second embodiment of the present invention.

FIG. 14 is a longitudinal sectional side view of an electrical connector according to a third embodiment of the present invention.

FIG. 15 is an exemplary perspective view of an electrical connector according to a fourth embodiment of the present invention;

FIG. 16 is a perspective view of an electrical connector according to a fifth embodiment of the present invention.

FIG. 17 is an exemplary perspective view of an electrical connector according to a sixth embodiment of the present invention;

FIGS. 18A and 18B show a seventh embodiment of the present invention, wherein FIG. 18A is a perspective view of a control unit, and FIG. 18B is a longitudinal sectional side view of a mating connector.

19A and 19B show an eighth embodiment of the present invention, wherein FIG. 19A is a longitudinal sectional side view of a mating connector, and FIG. 19B is an arrow A of FIG.
The arrow view seen from the direction.

FIG. 20 is a vertical sectional side view of an electrical connector according to a ninth embodiment of the present invention.

FIG. 21 is a vertical sectional side view of an electrical connector according to a tenth embodiment of the present invention.

FIG. 22 is a vertical side view of an electrical connector according to an eleventh embodiment of the present invention.

FIG. 23 is a vertical side view of an electrical connector according to a twelfth embodiment of the present invention.

FIG. 24 is a plan view of a mating connector according to a thirteenth embodiment of the present invention.

FIG. 25 is a vertical side view of the mating connector according to the embodiment;

FIG. 26 is a vertical side view of the process of connecting the electrical connector and the mating connector according to the embodiment;

FIG. 27 shows a fourteenth embodiment of the present invention, in which (a)
FIG. 2B is a plan view of a printed circuit board constituting the mating connector.

FIG. 28 shows a fifteenth embodiment of the present invention, in which (a)
FIG. 2 is a perspective view of a mating connector, and FIG. 2B is a longitudinal sectional side view of a mating connector connected to an electric connector.

FIG. 29 is a longitudinal sectional side view of a connection state of a mating connector and an electric connector, showing a modification of the embodiment.

FIG. 30 shows a sixteenth embodiment of the present invention, in which (a)
FIG. 2 is a perspective view of a mating connector, and FIG. 2B is a longitudinal sectional side view of a mating connector connected to an electric connector.

FIG. 31 is an exemplary longitudinal sectional side view of a connection state of a mating connector and an electrical connector according to a modification of the embodiment;

FIG. 32 shows a seventeenth embodiment of the present invention, in which (a)
FIG. 2 is a perspective view of a mating connector, and FIG. 2B is a longitudinal sectional side view of a mating connector connected to an electric connector.

FIG. 33 is a longitudinal side view of a connection state of a mating connector and an electric connector, showing a modification of the embodiment.

FIG. 34 is a plan view showing a connection process between a mating connector and an electrical connector according to an eighteenth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Connector main body 11 ... 1st board (1st insulator) 12 ... 2nd board (1st insulator) 13 ... 3rd board (2nd insulator) 14a ... Power contact electrode 14b ... Signal Contact electrode 17: Electric shield

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[Procedure amendment]

[Submission date] January 20, 1999 (1999.1.2
0)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction contents]

[0021] Then, the signal contact electrode 23 is connected to the interior of the control board of the control unit, the shield cover 25 is grounded to the GND of the control board.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0040

[Correction method] Change

[Correction contents]

FIG. 21 shows the tenth embodiment. The same components as those in the ninth embodiment are denoted by the same reference numerals and description thereof is omitted. This embodiment, the connector body 56 which is formed of synthetic resins materials is divided into a rectangular front member 56a and the tapered rear members 56b, both the members 56a, 56b
Are fitted. Also, there is an O between the two members 56a and 56b.
A ring 57 is provided, and an O-ring 58 is provided between the rear member 56b and the cable 2 to have a waterproof structure.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0067

[Correction method] Change

[Correction contents]

(Supplementary Note 8) In the control unit body,
In a control unit having a receptacle electrically connected to a control board for an internal camera controller, the receptacle is provided integrally with the control board and protrudes from the main body of the control unit. control unit, characterized in that is composed of a provided a contact electrode.

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] FIG.

[Correction method] Change

[Correction contents]

FIG.

[Procedure amendment 5]

[Document name to be amended] Drawing

[Correction target item name] FIG.

[Correction method] Change

[Correction contents]

FIG. 31

[Procedure amendment 6]

[Document name to be amended] Drawing

[Correction target item name] FIG. 32

[Correction method] Change

[Correction contents]

FIG. 32

 ──────────────────────────────────────────────────の Continuing on the front page (72) Katsuyuki Saito, Inventor 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Industrial Co., Ltd. (72) Akihiko Mochida 2-43-2, Hatagaya, Shibuya-ku, Tokyo Within Olympus Optical Co., Ltd. (72) Kotaro Ogasawara, Inventor 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd. (72) Nobuaki Yasui, 2-43-2 Hatagaya, Shibuya-ku, Tokyo No. Olympus Optical Industrial Co., Ltd. F-term (reference) 2H040 DA21 GA02 5E021 FA05 FA09 FB01 FB10 FB14 FC17 FC40 LA08 LA21 MA31 5E023 AA04 AA13 AA16 AA18 BB02 BB05 BB10 BB22 BB25 CC21 DD29 EE21 FF01 GG02H09 H11 GG02H09

Claims (2)

[Claims] 1. An electrical connector having at least one contact electrode formed on a surface of a first insulator and inserted into a mating connector, comprising: a contact electrode provided on the surface of the first insulator; A second insulator that removably covers an introduction portion of the mating connector connected to the contact electrode; and a surface of the first insulator on which the contact electrode is not provided and an introduction portion of the mating connector. An electrical shield formed on an outer surface of the covering second insulator. 2. An electric shield having an electric shield formed on one surface.
It is composed of two plate-shaped first insulators, and a plate-shaped second insulator with at least one end face partially cut away, with the shield surfaces of the two first insulators being outside. , Sandwiching the second insulator between the mating connectors so that the cut-out end faces thereof are aligned with each other, and at least one contact point on an inner surface of at least one of the two first insulators. An electrical connector, wherein an electrode is formed in a cutout portion of the cutout end surface of the second insulator.