JP2674084B2 - Remote control transmitter - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control transmitter used for a television receiver or the like.

2. Description of the Related Art In recent years, television receivers and the like have come to have various functions such as a sanitary broadcast receiving function and a teletext receiving function due to technological progress, and accordingly, these devices can be operated from a remote position. The remote control transmitter (hereinafter abbreviated as "remote control transmitter") that has been conventionally used to operate has an increased number of operation switches so that many functions added to the television receiver can be controlled, and its configuration Has become complicated.

Hereinafter, a conventional remote control transmitter will be described with reference to the drawings.

FIG. 6 is an external perspective view of a conventional remote control transmitter, FIG. 7 is a front sectional view of the same, and FIG. 8 is a side sectional view of the same.

In FIGS. 6 to 8, reference numeral 1 denotes a lower lid, which holds a printed circuit board 2 constituting a remote control transmission circuit on its inner bottom portion, and a rubber molded product 3 having a conductive rubber member is arranged on the printed circuit board 2. Has been done. The rubber molded product 3 has protrusions formed in a substantially matrix shape, and the operation buttons 4 are arranged at positions corresponding to the protrusions.
The upper lid 5 is arranged so as to cover these groups of operation buttons 4, but, of course, the upper end surface of the operation button 4 is projected on the surface of the upper lid 5 so that the operation buttons 4 can be operated from the outside. An outer casing of the device is configured by integrating both lids of the lower lid 1 and the upper lid 5. Both lids 1 and 5 are fitted and fixed by a locking claw 6 provided on the upper lid 5 and a locking claw 7 provided on the lower lid 1. In the figure, numeral 8 is an operation display sheet, and numeral 9 is a battery lid for accommodating a battery serving as a driving power source for the remote control transmission circuit.

In the above configuration, among the desired button groups 4a, 4b, 4c among the operation button groups 4 (for example, a television broadcast reception control button group 4a, a sanitary broadcast reception button group 4b, a text broadcast reception button group 4c) By operating one of the operation buttons, the protruding portion of the rubber molded product 3 at the position corresponding to the operation button 4 comes into contact with the circuit pattern of the printed board 2. Then, a circuit corresponding to the operated position operates in response to the operated button 4 that has been operated, and a control signal (remote control signal) corresponding to the operated position is transmitted from the oscillation circuit.

Problems to be Solved by the Invention Since the remote control transmitter is originally operated at hand, it is required to be small and easy to carry. However, if the size of the operation button is set so that it can control various functions and is easy to operate as described above, the size of the remote control transmitter itself becomes large, which makes the device less convenient to carry. Become.
On the other hand, if the size of the operation button is set with an emphasis on the portability of the device, the operation button becomes smaller and the operability of the operation button deteriorates.

In view of the above problems, it is an object of the present invention to provide a user-friendly remote control transmitter suitable for remote control of electronic devices such as a television receiver having many functions.

Means for Solving the Problems In order to achieve the above object, a remote control transmitter according to the present invention includes a first operation member and a second operation member, which are a front surface side and a back surface of a printed circuit board constituting a remote control transmission circuit. A plurality of operation parts formed on the surface of the first operation member on one surface of the outer casing and a plurality of operation parts formed on the surface of the second operation member on the other surface of the outer casing. , The first and second operating members and the printed circuit board are housed in the respective outer casings, and the lid is attached to the other surface of the outer casing so as to be openable and closable so as to cover the operating portion of the second operating member. It is characterized by that.

With the above configuration, the first operation member that functions as a frequently used operation button group is disposed on one surface side of the outer casing, and the second operation function that is used as a less frequently used operation button group is disposed on the other surface side of the outer casing. By arranging the operation members of, the size of each operation button is easy to operate, but the number of operation buttons provided on one end surface can be reduced, so the size of the entire device can be operated at hand. The size can be easily adjusted.

Example Hereinafter, a remote control transmitter according to an example of the present invention will be described with reference to the drawings.

FIG. 1 is an external perspective view showing the configuration of a remote control transmitter according to an embodiment of the present invention, FIG. 2 is an external perspective view as seen from the lower surface side, and FIG. 3 is a state in which a lid on the lower surface side is opened. FIG. 4 is a front sectional view of the remote control transmitter, and FIG. 5 is a side sectional view of the remote control transmitter.

In FIGS. 1 to 5, reference numeral 10 denotes an upper lid, which is arranged in such a manner that a part of the operation buttons 11 is projected from the front side thereof. The operation buttons 11 provided on the side of the upper lid 10 include a TV function operation button 11a group, a satellite broadcasting function operation button 11b group, and a teletext function operating button 1.
It consists of only the operation buttons that are used most frequently in the 1c group. That is, as can be seen from FIG. 1, these button groups are, in this embodiment, a TV / video switching button, a mute button, a power button, a volume switching button, and a BS.
It is composed of operation buttons such as channel switching buttons.

By the way, the upper lid 10 and the lower lid 12 form an outer casing of the transmitter, and the lids 10 and 12 are fitted with the locking claws 10a of the upper lid 10 and the locking claws 12a of the lower lid 12, respectively. Combining to form one.

A door 13 is attached to the outside of the lower lid 12 by a pin 14 so as to be openable and closable, and the door 13 covers a group of operation buttons 11 ′ other than the group of operation buttons 11 arranged on the side of the upper lid 10. (Figs. 2 and 3). When the door 13 is opened, the lower lid 12 is fitted with the convex portion 12b provided on the outer side of the lower lid 12 and the door 1
This is performed by combining a concave portion 13a provided inside 3 with a corresponding convex portion 12b. The convex portion 13b provided on the outer side of the door 13 is for facilitating the opening and closing of the door 13. The operation buttons 11 'provided on the side of the lower lid 12 are subdivided into, for example, teletext reservation buttons, except for the basic operation buttons which are frequently used such as the power button, the volume switching button and the channel switching button as described above. It is used infrequently to realize the integrated functions. As is clear from FIGS. 4 and 5, the lower lid is compared to the operation button group 11 on the upper lid 10 side.
The surface area of the operation buttons 11 group on the 12 side is slightly smaller. Arranged on the surface of the group of operation buttons 11 'is a display sheet diagram showing the contents of the operation.

Next, the internal configuration of the remote control oscillator of this embodiment will be described below (FIGS. 4 and 5). Top lid
A rubber 15 integrally formed of conductive rubber is arranged below the group of operation buttons 11 on the 10 side. The molded rubber 15 has a convex portion 15a at a position corresponding to the button arrangement position of the operation button 11 group.
Are formed. A printed circuit board 16 is arranged below the molded rubber 15. The printed circuit board 16 is a double-sided printed circuit board, both of which constitute a conventionally known remote control transmission circuit, and circuit patterns are formed on both sides thereof, which are formed according to the operated positions of the operation buttons 11 and 11 '. Different circuit configurations are used, and signals corresponding to the operated position are output from the transmitting element and the light emitting element. FIG. 4 and FIG.
In the drawing, a group of operation buttons 11 'on the lower lid 12 side is arranged below the printed circuit board 16. This operation button 1
The 1'group is made of synthetic resin, and the operation buttons 1
It has the functions of both 1 and molded rubber 15.

By the way, when the door 13 is opened and the operation button 11 in the operation button 11 'group is operated, the operation button 11 located on the back side thereof may be operated and an operation different from the intended operation may be performed. There is. Therefore, in the present embodiment, a door detection switch 18 for detecting that the door 13 is in the closed state is provided, and when the door 13 is in the open state, the driving of the remote control transmission circuit by the operation of the operation button 11 is prohibited. It is configured to do. It should be noted that this prohibition circuit is easily configured by a conventionally known technique by a logic circuit or the like. For example, if the door detection switch 18 detects that the door 13 is in the open state and its output is an L level signal, based on this L level signal, the transmitter element, the light emitting element and the molded rubber of the remote controller transmitter circuit. The configuration is such that electrical coupling with the convex portion 15a which is the conductive portion of 15 is cut off. By providing the door detection switch 18, the slide switch 20 is provided inside the battery cover 19 in order to prevent the door 13 from being newly damaged and being accidentally detected by the door detection switch 18 as an open state. Is provided. By turning on this slide switch 20,
The remote control transmission circuit can be driven by operating the operation buttons 11 group, and the drive of the remote control transmission circuit by operation of the operation buttons 11 'group is prohibited.

As described above, in the remote control transmitter of the present embodiment, the button group 11 related to the basic operation that is frequently used is arranged on one surface side of the outer casing, and the other button group 11 'is arranged on the other surface side of the outer casing. By installing it, while the overall size is compact and easy to operate at hand, the operation button group used for basic operation can be made easier to operate than conventional ones. Good operability can be realized.
Further, by providing the door detection switch, when the operation button on the back side is operated, a button different from the intended button is not operated and a control different from the intended control is not performed.

EFFECTS OF THE INVENTION According to the present invention, the first operation unit that functions as an operation button group related to a basic operation that is frequently used is disposed on one surface side of the outer casing, and the other operation button groups are provided in the outer casing. Even if the shape of the operation button group related to basic operation is enlarged by arranging it on the surface side, the operation button group corresponding to the same or more functions as before without increasing the outer shape of the entire remote control device. It is possible to provide a remote control transmitter that has better operability at hand due to the size of the outer shape and usability of button operation due to the size of the button shape than the conventional one. be able to.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing the configuration of an embodiment of a remote control oscillator of the present invention, FIG. 2 is an external perspective view of the remote control oscillator seen from the lower surface side, and FIG. 3 is a door on the lower surface side. FIG. 4 is a front sectional view of the remote control transmitter, FIG. 5 is a side sectional view of the same, and FIG. 6 is a perspective view of a remote control transmitter of a conventional example. FIG. 7 is a front sectional view of the same, and FIG. 8 is a side sectional view of the same. 10 …… Top lid, 11, 11 …… Operation buttons, 12 …… Bottom lid, 13…
… Door, 15… Molded rubber, 16… Printed circuit board.

Claims (1)

(57) [Claims] 1. A first operating member and a second operating member are arranged on the front surface side and the back surface side of a printed circuit board constituting a remote control transmission circuit, respectively, and are formed on the surface of the first operating member. The first and second operating members are arranged so that a plurality of operating portions are arranged on the first lid and a plurality of operating portions formed on the surface of the second operating member are arranged on the second lid, respectively. And a printed circuit board are housed in the first lid and the second lid, and a hinged door is attached to cover the operation portion of the second operation member so that the door can be opened and closed. A door detection means for detecting and a prohibition circuit for prohibiting transmission of the remote control transmission circuit by an operation to the first operation member based on a signal indicating detection of opening of the door detection means are provided, and further, the first circuit For hook-shaped locking claws with the lid and the second lid at the ends Mutually remote control transmitter, characterized in that so as to integrally locked Ri.