WO1996027990A1

WO1996027990A1 - Electronic sight hole for house acces door and domestic television viewing

Info

Publication number: WO1996027990A1
Application number: PCT/ES1996/000039
Authority: WO
Inventors: Miguel Angel Fernandez Minaya
Original assignee: Miguel Angel Fernandez Minaya
Priority date: 1995-03-03
Filing date: 1996-02-28
Publication date: 1996-09-12
Also published as: AU4719496A; ES2122849A1; ES2128937A1; ES2128937B1; ES2122849B1

Abstract

The electronic sight hole is comprised of a casing made of plastic or metal material which has a quadrangular or similar plane form, inside which is provided an electronic circuitry fixed by means of screws to the casing from which emerges at its central portion a cylindrical externally threaded lens, the casing having incorporated a rubber circular band or seal situated at the rise of the lens and backed against the walls of the casing, one extremity of the casing having an outlet for a cable or, passing through the interior of the central area and arranged next to the lens or camera, an internally threaded hollow cylindrical part provided at its external extremity with a circular tinted cristal, all components being inserted in the hole of the door sight hole, and screwed to each other thereby forming a sight hole, with optionally the possiblity of disposing a complementary sight hole aligned at the top part and provided with an infrared ray emitter for viewing images in the obscurity.

Description

ELECTRONIC VIEW FOR DOOR ACCESS TO HOUSING AND VISIONED ON DOMESTIC TELEVISION

D E S C R I P C I Ó N

OBJECT OF THE INVENTION

The present specification refers to a patent application for an invention pertaining to an electronic peephole for access door to home and viewed on a domestic television, whose obvious purpose is to allow the display of the external area of a home, located in the area of viewing the electronic peephole, reflecting the images captured on a domestic television.

FIELD OF THE INVENTION

This invention has its application within the industry dedicated to the manufacture of sight glasses and the like.

BACKGROUND OF THE INVENTION

On the part of the applicant there is no knowledge of the existence of a peephole that is configured as an electronic peephole that is incorporated into the doors of access to a home, allowing the viewing of the images captured on a domestic television.

DESCRIPTION OF THE INVENTION

The electronic peephole for access door to housing and viewed on domestic television that the The invention proposes, constitutes by itself an obvious novelty within the field of application of the same, since from the use of this electronic peephole, it is possible to implement even more if it is possible to visualize the external areas of a house, substantially improving the applications achieved through the use of video intercoms.

More specifically, the electronic peephole for access door to housing and viewed on domestic television object of the invention is constituted from a housing made of plastic material, housing that adopts the quadrangular configuration, incorporating a circuit inside printed fiberglass, which is fixed to it by means of the relevant screws, the printed circuit printed and drilled with its electronic components, among which a miniature lens stands out, which is welded and screwed to the circuit form cited above.

The miniature lens is constituted as a straight cylindrical body, and is threaded on the outside, using this threaded area to be coupled in a hollow cylindrical part, which is provided with a helical thread inside.

This lens has one of its ends closed by a tinted glass that adopts the circular plantar configuration.

The set of the elements mentioned above form a micro-camera-sight glass equipped with the following technical characteristics. Namely: CCD 512 (H) x 492 (V) Pixels image sensor

Resolution 380 TV Lines (H) x 350 Lines (V)

Minimum illumination 0.3 Lux

3.7mm lens PINHOLE

The electronic peephole is equipped with a CCD type image sensor attached inside the lens, which transfers the received image to an electronic circuitry, responsible for translating an image into electrical signals and pulses.

The output signal of the electronic sight glass, of the composite video type, is physically introduced by means of a conductive cable to a composite video converter-R.F. which is included in a plastic housing inside which a transmitter via network and an LCD screen has been incorporated, for direct viewing of the captured image, which may be the optional LCD screen.

An R.F. signal is sent via the network transmitter. to the entire network of the house avoiding the installation of wiring and this signal from R.F. It can be received by any television or home video to which a receiver is connected via network to its R.F.

The television or video must be tuned to the reception channel of the electronic peephole transmitter, as if it were any other conventional programming channel, ie VHF-channel 3 electronic peephole.

With the application of the peephole in question you can optionally watch and record any television program and the image of the electronic peephole. On the LCD screen (optional) of the converter-transmitter you can see the direct image that focuses on the electronic sight glass.

It should be noted that the technical characteristics of the electronic sight glass are based on a supply voltage of A.C. 220 V - 50 Hz - 3 W, while tuning is performed using VHF, band 1, channel 3 PAL system.

In a second embodiment the invention relates to an electronic peephole for access door to housing with viewing on domestic television set from an electronic peephole that is composed of a metal housing that adopts the quadrangular plantar configuration, which presents in its central area a circular hole which has been closed by using a glass of an appropriate diameter.

In the internal part of the housing, and specifically at its ends, four threaded spacers have been placed on which a printed circuit made of fiberglass, screen-printed and drilled, fitted with its relevant electronic components, is attached, among which a pin hole lens which faces the circular glass of the housing.

By closing the housing, a support cover is provided that is provided in its central area with a hollow threaded pin that is inserted through the outside of the door into the hole in the sight glass or in any other hole made in the door.

In order to get the fixation of the The second sightglass incorporates a second threaded pin that is inserted into the hole of the door, specifically through the inside of the house and is threaded onto the first pin, thus achieving total fixing of the sight glass to the door.

The support cover is provided with a rubber part or platform that acts as a damping element against blows and slamming doors.

A single-wire cable is incorporated inside the threaded pin, the inside of the threaded pin acting accordingly as the passage area of the cable itself, which must be connected to the converter-transmitter of the system from inside the sight glass.

Optionally, the housing can be fitted with a conventional sight glass, so that the exterior of the house can be visualized through it.

Together, the aforementioned elements configure a peephole camera equipped with the following technical characteristics. Namely:

Image sensor ... CCD 1/3 "5125 (H) ^* 492 (V) Pixels Resolution .... 380 TV lines (H) ^* 350 (V) - Minimum illumination 0.3 Lux

- 0.7 m lens. pin hole

Video output 1.0 Vpp-75 Oh s Composite

Electronic shutter .... Automatic Supply voltage 12 V.cc. 160 A This peephole in its front part and around the circular image input glass can incorporate infrared light emitters so that it can capture images without light.

Regarding the transmission equipment via the network (converter-transmitter), it should be indicated that it is formed by a rectangular plastic housing, on the outside of which there are two RCA connectors, used to physically connect the transmission equipment via the network via a conductive cable. with the electronic peephole, to provide power and collect from it its image capture signal.

This transmitter equipment has a switch for general system switching off and on, which is indicated by a LED-type pilot, and a cable with its mains socket.

Inside the transmitting equipment there is a printed circuit provided with its pertinent electronic circuitry, which has the following functions. Namely:

- Power supply, which provides power to the electronic sight glass and at the same time feeds the converter and the transmitter of the equipment.

- Converter, whose mission is to convert the signal from the electronic peephole of the composite video type, into an R.F.

Transmitter that amplifies and transmits the previously converted RF signal, to the entire installation of the home network, by its own socket net.

The network equipment is equipped with the following characteristics. Namely:

Supply voltage 220 V.ac. 50 'Hz

3 W consumption.

- VHF tuning. band 1 channel 3 PAL

Finally, it should be noted that the receiving equipment via R.F. It is composed of a rectangular plastic housing, which has a network socket included in its own structure and from this equipment comes a coaxial cable with an R.F. for connection to a television or home video.

The receiving equipment via R.F. It is equipped with the following technical characteristics. Namely:

Supply voltage at 220 V.a.c,

- VHF tuning band 1 channel 3.

DESCRIPTION OF THE DRAWINGS

To complement the description that is being made and in order to help a better understanding of the features of the invention, this descriptive report is attached, as an integral part thereof, eight sheets of drawings in which for illustrative purposes and not limiting, the following has been represented: Figure 1.- Corresponds to a synthesized view of the invention incorporated on the door of a dwelling, from which the relevant connections that give rise to the visualization of the images obtained through a domestic television are derived. , configuring the representation reflected in this figure the electronic peephole for access door to housing and viewed on domestic television.

Figure 2.- Corresponds to a perspective view of the sight glass itself.

Figure 3.- Shows a front elevation view of the transmitting equipment via network.

Figure 4.- Shows a side elevation view of the object represented in Figure 3.

Figure 5.- Corresponds to a perspective view of the R.F.

Figure 6.- Shows a plan view of the chamber that is incorporated in the invention.

Figure 7 shows a side elevation view of the object represented in Figure 6.

Figure 8 shows a detail by E of the object represented in Figure 6.

Figure 9.- Shows a duly sectioned side elevation view of the invention incorporated on a housing access door.

Figure 10.- Shows a second embodiment of the invention relating to an electronic peephole for access door to housing with viewing on domestic television.

Figure 11.- Corresponds to a front elevational view of the object represented in Figure 10.

Figure 12.- Shows an A-B view of the object represented in Figure 11.

Figure 13.- Represents a partially sectioned perspective view of a third embodiment of the invention.

Figure 14.- Corresponds to a front elevation view of the object shown in Figure 13.

Figure 15.- Finally shows a C-D view of the object represented in Figure 14.

PREFERRED EMBODIMENTS OF THE INVENTION

In view of these figures it can be seen how the electronic peephole for access door to housing and viewed on domestic television is constituted from the fixation on a door (1) and after drilling it an electronic peephole (10) which is connected by cable (2) to a transmitter (3) from which a cable (2) provided with a plug (4) is supplied, which is incorporated into a 220V mains socket (5).

In another socket (5 ') of the mains installed in the house, a receiver (6) with a cable (2) that is incorporated in a mixer (7) is incorporated by the relevant plugs It takes the form of a T from which two cables (2) one of them to a television or home video (8), while the other cable corresponds to the cable of an antenna (9).

The TV has its relevant plug (4 ^» ) and its connection to the 220 V network (5``).

In Figure 1, as can be seen, the installation of the electronic sight glass (1) itself has been simplified.

Following Figure 2, it is observed that the electronic sight glass (10) is constituted by a box (11) provided with a cover (11 *), the box (11) having a rubber band (12) provided with its outer main face provided with a central perforation through which the chamber (13) that adapts to a dust shield (15) emerges having a glass (16) provided at the end of the protector.

An opening (14) is incorporated in the slot between the box (11) and its cover (11 *) for the cable exit.

In figures 3 and 4, the network transmitting equipment (3) is shown, which has a cable (2), the RCA type connectors (17) and a switch (18).

Figure 5 depicted in perspective the R.F. (6) which has its connection plugs and a cable (2) through which it is connected to the mixer as shown in Figure 1.

Following figures 6, 7 and 8 it is observed that - li ¬

The sight glass (10) has a printed circuit board (19), in whose central area the chamber (13) fixed by conventional screws (22) is incorporated, placing a plurality of electronic components on the printed circuit board (19) (twenty-one) .

Finally, in figure 9 it can be seen how the peephole (10) is located on the door (1) with the camera (13) properly threaded, the printed circuit board (19) incorporating inside the camera case (11) ) equipped with its corresponding cover (11 *), the rubber band (12), the dust shield (15) at whose outer end the glass (16), the camera fixing screws (22) are located all through the previously perforated door (1).

It should be noted that the box (11) is attached to the lid (11 ') by means of a heat fusion seal around the perimeter.

In summary, to mount the electronic sight glass (1), the conventional sight glass will be dismantled previously and the electronic sight glass (1) will be placed in the same hole if this electronic sight glass replaces the conventional sight glass, since they are equipped with similar dimensions .

Fix the plastic housing (11) on the inside of the door (1) and the viewfinder on the outside

(15) provided with the glass (16) and screw the assembly as if it were a normal or conventional sight glass.

Inside the house and next to the access door will be located the monitor transmitter (3) connected to a network socket (5).

The television or televisions (8) in which you want to view the image of the peephole (10), must be connected to the network at your R.F. a receiver (6) connected to the network.

This electronic sight glass (10) can be mounted inside a door in its manufacturing process, which would completely mask the sight glass (10) and the connecting cable.

It should be noted that any image transmitted by the peephole can be recorded in a home video.

Finally, it should be noted that the plastic housing (11) and its cover (11 ') are made of plastic material adopting the quadratic plantar configuration and as a whole forming a quadrilateral planar parallelepiped.

In view of the figures 10, 11 and 12, a second embodiment of the invention can be observed relative to an electronic peephole for access door to home with viewing on domestic television which is recommended are constituted from a metal housing (1) which adopts the quadrangle plantar configuration, which in its central area is provided with a circular hole, which has been closed by using a glass (3) of the same diameter.

On the inside of the metal housing

(1), and specifically at its ends, four threaded spacers (6) are located, on which a printed circuit (5) of screen-printed and drilled fiberglass, with its electronic components, among which a pin hole lens (4) stands out, which faces the circular glass (3) of the metal housing (1).

To close the metal housing (1), a support cover (2) is provided, which has a hollow threaded pin (8) in its central area, which is inserted through the outside of the door (10) in the hole in the peephole or in any hole in the door and a second threaded pin (9) is available, which is inserted into the hole in the door through the inside of the house and threaded onto the first pin (8 ) thus completing the peephole fixing to the door (10).

The support cover (2) has a rubber platform (7) attached to facilitate cushioning of the sight glass against blows and slamming doors.

The inside of the threaded pin (8) is used to give way to a single-wire cable coming from inside the sight glass, which must be connected to the transmitter transmitter of the assembly.

Optionally, the housing can be fitted with a conventional sight glass (11), so that the exterior of the house can be visualized through it.

This peephole in its front part, around the circular image input glass can carry infrared light emitters so you can capture images without light. In a third embodiment represented in Figures 13, 14 and 15 the invention is configured in a manner similar to that shown in Figures 10, 11 and 12 eliminating in this third embodiment the incorporation of the conventional sight glass in the upper part of the electronic sight glass , however, having the separators (6) and optionally incorporating the infrared ray emitter.

Claims

R E I V I N D I C A C I O N E S

I * .- Electronic peephole for access door to housing and viewed on domestic television, characterized by being constituted from a plastic housing (11) that adopts the quadrangular plantar configuration, inside which is an electronic circuitry (19), screwed to the housing (11) emerging from the housing or casing (11) of its central part a lens (13) of cylindrical configuration threaded on its outer part, the housing (11) incorporating a band (12) of circular rubber located at the birth of the lens (13) presenting at one end of the housing (11) an outlet (14) for cable and then disposing of the lens or chamber (13) a hollow cylindrical part ( 15) threaded inside, which has a tinted circular glass at its outer end, all the components being introduced into the perforation of the door peephole (1) threaded together forming a peephole.

2a.- Electronic peephole for access door to housing and viewed on domestic television, according to the first claim, characterized in that the electronic peephole (10) generates a signal of the type of composite video R.F. (3), which sends the converted signal through its network connection (2) to a television set (8) tuned to the band 1 channel 3.

3a.- Electronic peephole for access door to housing and viewing on domestic television, according to the previous claims, characterized in that in a second embodiment the housing (1) is made of metallic material and four separators are incorporated in the ends thereof threaded (6), the printed circuit (5) being of fiberglass and being serigraphed and drilled, providing the support cover (2) of a rubber platform (7) adhered thereto, passing through the inside of the threaded pin (8) a single-wire coming inside the sight glass that joins the converter-transmitter of the system, the metal housing (1) being optionally provided with a conventional sight glass (11) and at the same time the sight glass can be arranged in its front part, around the circular glass Image input of infrared light emitters.

4 * .- Electronic peephole for access door to home and viewed on domestic television, according to the third claim, characterized in that optionally the metal housing (1) may not be equipped with the conventional peephole (11), having rest of the elements.