JPS614327A - small receiver - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a small receiving device equipped with a display device for receiving a wireless signal transmitted from a wireless station and displaying characters corresponding to the signal. Afru.

Structure of the conventional example and its problems In the conventional small receiving device of this type, as shown in FIG. A see-through plate 5 is attached to the formed see-through window 4. A liquid crystal display plate 6 is pressed into contact with the inside of the transparent plate 6 of the lid body 3. As shown in FIG. 2, this liquid crystal display panel 6 is provided with a stepped portion 7 along one side in the longitudinal direction.
A plurality of terminals 8 are provided on this stepped portion 7 . A connector 9 is inserted into the stepped portion 7 of the liquid crystal display panel 6. As shown in FIG. 3, the connector 9 has a semi-cylindrical cross section. The outer cover 11 is covered with an outer cover 11, and the outer cover 11 has conductive parts 12 made of conductive rubber and insulating parts 13 made of insulating rubber arranged alternately. A light reflecting plate 14 is pressed against the back surface of the liquid crystal display panel 6. On the other hand, the printed circuit board 15 is provided with a wireless receiver, a control circuit, a liquid crystal display element drive circuit, etc. A holder 17 is attached to one side of the printed circuit board 16 with screws 18, and a stopper is attached to the other side. 19
One side of the printed circuit board 15 is inserted between the light reflecting plate 14 and the connector 9, and the terminal 20 provided on the printed circuit board 16 is brought into contact with the conductive portion 12 of the connector 9, and the holder 17 is pressed against the light reflecting plate 14. A screw 22 is screwed into the stopper 19 of the printed circuit board 15 through a hole 21 in the bottom of the case body 2. In such a small receiver with a Hiko display device, in order to increase the resolution of displayed characters, the number of liquid crystal light emitting elements is increased,
In order to increase the number of functions such as the forwarding function, the number of terminals and the number of wires must be increased.

Therefore, in order to maintain miniaturization by making each part the same size, the wiring spacing becomes narrower and precision machining is required. There were some problems.

Purpose of the Invention The present invention eliminates the above-mentioned conventional problems, and makes it possible to achieve high resolution and multifunctionality of characters without sacrificing miniaturization while being easy to manufacture. The purpose of this invention is to provide a compact receiving device.

Structure of the Invention In order to achieve the above object, the present invention includes a case having a transparent plate, a liquid crystal display plate supported inside the transparent plate of the case, and a liquid crystal display plate supported at two places on the back side of the liquid crystal display plate. 1
and a second connector, and a liquid crystal display element driving circuit are provided, and the second connector is supported on the back surfaces of the first and second connectors and is electrically connected to the liquid crystal display board by the first and second connectors. A first printed circuit board, a third connector supported on the back side of the first printed circuit board, and a control receiving circuit are provided, the third connector is supported in a case, and the third connector is connected to the first printed circuit board. It is equipped with a second printed circuit board that is electrically connected, and has two liquid crystal display element drive signal lines.
It is characterized in that it is configured to separately drive the liquid crystal display element. It is something.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. As shown in FIGS. 4 and 6, the case 61 is formed flat and consists of a case body 62 and a lid 53.
The case body 52 is fitted into a protrusion 64 provided at the center of the long side of the open side. A pair of left and right rectangular engagement holes 54a are formed in this protrusion 54. A pair of bosses 55 are provided on the short side inside the lid 63, and each boss 55 has a screw hole 55a formed therein. A see-through window 56 is formed on the top plate of the lid body 63, and a see-through plate 57 made of synthetic resin or the like is attached to the see-through window 56.

A liquid crystal display board 58 is inserted inside the transparent plate 57 of the lid body 53, and this liquid crystal display board 58 has stepped portions 69 formed along two long sides, and a plurality of terminals 60 on each stepped portion 69. (See Figure 2).

A light reflecting plate 61 is inserted into the back surface of the liquid crystal display plate 58, and a recess 62 is formed between the light reflecting plate 61, a stepped portion 69 of the liquid crystal display plate 68, and the long side of the lid body 53. First and second connectors 63 and 64 are inserted into the recess 62. Each of the connectors 63 and 64 has a core member 66 covered with an outer skin consisting of a conductive portion 66 and an insulating portion 67, as in the conventional example. Light reflecting plate 61 and second and second connectors 63 and 64
A first printed circuit board 68 is inserted and supported on the back side of the , and this first printed circuit board 68 is provided with a liquid crystal display element drive circuit, and has a plurality of "terminals 69.7" along two long sides on the front side.
0 is provided, and a plurality of terminals 71 are provided along one long side of the back side.
is provided. Therefore, this first printed circuit board 68
terminals 69 and 70 are electrically connected to the liquid crystal display panel 68 by conductive portions 66 of the first and second connectors 63 and 64.

A holder 72 is inserted into the back surface of the first printed circuit board 68, and a pair of protrusions 73 provided at the center of each long side of the holder 72 are restrained by the engagement holes 54a of the protrusions 54 in the lid body 53. It is press-fitted and engaged. A hole 74 is provided on the short side of this holder 72 and the first printed circuit board 68.
．． 75 are formed, and the lid body 63 is inserted through these holes 74 and 75.
A screw 76 is screwed into the screw hole 55a of the boss 55 in the liquid crystal display panel 68. Light reflecting plate 6, second and second connectors 6
3.64 and the first printed circuit board 68 are held against the top plate of the lid 53 by the protrusion 77 of the holder 72 and supported within the lid 63.

Therefore, the terminal 6o of the liquid crystal display board 58 and the first terminal
Contact between the terminals 69 and 70 of the first printed circuit board 68 and the conductive parts 66 of the second and second connectors 63 and 64 can be reliably maintained in a stable state. 68 can be prevented from forming. On one long side of the holder 72, protrusions 78 are located on both sides of the protrusion 73 and protrude backward, and each protrusion 78 has a hole 7 formed therein. One side of the second printed circuit board 80 is stacked on the protrusion 78, and the second
The notch 81 of the printed circuit board 80 is fitted on the outside of the protrusion 73 of the holder 72, and the holes 82 provided on both sides of the notch 81 are aligned with the hole 79 of the protrusion 78. The printed circuit board 80 is provided with a wireless receiver, a control circuit, etc., and a plurality of terminals 83 are provided on the sides of the notch 81. A holder 84 is stacked on one side of the second printed circuit board 80 so as to sandwich the second printed circuit board 80 with the holder 72 . Screw holes 8 fitted on the outside and provided on both sides of the notch 86
6 are matched with the holes 79,82. Further, a notch 87 is formed in the holder 84 on the side of the notch 84, that is, corresponding to the terminal 83 of the second printed circuit board 80, and this notch 87 and the second printed circuit board 8o and the first printed circuit board 80 are connected to each other. A third connector 88 is inserted and held between the printed circuit board 68 and the printed circuit board 68. This third connector 88 also has a core material 65 covered with an outer skin made of a conductive part 66 and an insulating part 67, like the above-mentioned first and second connectors 63 and 64. Then, the screw 89 is inserted into the holder 8 through the hole 79.82.
The second printed circuit board 80 and the holder 84 are connected to the holder 72 by being screwed into the screw holes 86 of the second printed circuit board 8o. Terminal 7 of printed circuit board 68 of No. 1
1 is electrically connected to. Second printed circuit board 8o
A stopper 9o is attached to the center portion of the other side, a screw hole 91 is formed in the stopper 90, and a hole 92 is formed in the bottom plate of the case body 52 in correspondence with the screw hole 91. A screw 93 is screwed into the screw hole 91 through the hole 92, and the second printed circuit board 80 is fixed to the case 61.

In this embodiment, the holder 72 includes the liquid crystal display panel 68. Support for the light reflecting plate 6, the first and second connectors 63 and 64, and the first printed circuit board 68, and the first printed circuit board 6
8 and the liquid crystal display board 58, support for the second printed circuit board 80 and the third connector 88, and connection between the second printed circuit board 80 and the first printed circuit board 68. A reliable electrical connection can be ensured,
Since one component can perform many functions, the device can be made smaller, which is also economically advantageous.

Effects of the Invention As is clear from the above description, according to the present invention, a liquid crystal display panel and a first printed circuit board provided with a liquid crystal display element driving circuit are electrically connected by two connectors, and a control receiving circuit The second print with -, □A,. ,,IJy)
M&KJIEs. 3-2.

I am trying to connect it electrically. Therefore, the liquid crystal display element drive signal line can be divided into two and connected to two contact rows provided on the liquid crystal display board, which does not require high precision, facilitates manufacturing, and impairs miniaturization. There are advantages such as high resolution of characters and multi-functionality without any problems.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a conventional small receiver, FIG. 2 is a partially enlarged perspective view of a liquid crystal display panel, FIG. 3 is a partially perspective view of a connector, and FIG. 4 is a small receiver of the present invention. FIG. 6 is an exploded perspective view showing one embodiment, and FIG. 6 is a sectional view of the device in an assembled state. 61...Case, 62...Case body, 63...Lid, 57...See-through plate,
68...Liquid crystal display board, 60...Terminal,
61... Light reflecting plate, 63... First connector, 64... Second connector, 68...
...first printed circuit board, 69. To, 71...
...Terminal, 72...Holder, 80...
・Second printed circuit board, 83...terminal, 84・
...Holder, 88...Third connector. Name of agent: Patent attorney Toshio Nakao Haka1 @1
Figure 3

Claims (7)

[Claims] (1) A case having a transparent plate, a liquid crystal display plate supported inside the transparent plate of this case, first and second connectors supported at two places on the back of the liquid crystal display plate, and a liquid crystal display. a first printed circuit board having an element driving circuit, supported on the back surfaces of the first and second connectors and electrically connected to the liquid crystal display panel by the first and second connectors; The third printed circuit board supported on the back of the first printed circuit board
and a second printed circuit board that is provided with a control reception circuit, is supported within the case, and is electrically connected to the first printed circuit board by the third connector. Receiving device. (2) A patent in which the liquid crystal display board, the first and second connectors, and the first printed circuit board are supported by being held between a holder attached to the case and the transparent plate side of the case on the back side of the first printed circuit board. A small receiving device according to claim 1. (3) The liquid crystal display board, the first and second connectors, and the first printed circuit board are supported by being sandwiched between a holder attached to the case and the see-through plate side of the case on the back side of the first printed circuit board. 2. The compact receiving device according to claim 1, wherein the printed circuit board No. 2 is connected to and supported by the holder. (4) The liquid crystal display board, the first and second connectors, and the first printed circuit board are supported by being held between a holder attached to the case and the see-through plate side of the case on the back side of the first printed circuit board, 2. The compact receiving device according to claim 1, wherein the second printed circuit board is connected to and supported by the holder, and the third connector is supported by a holder attached to the second printed circuit board. (5) The compact receiving device according to claim 4, wherein the holder supporting the second printed circuit board and the third connector is screwed together to a holder located on the back side of the first printed circuit board. (6) The case consists of a case body and a lid, a transparent plate is attached to the transparent window formed on the top plate of the lid, a holder on the back of the first printed circuit board is attached to the lid, and a liquid crystal display panel is attached to the lid. 7. The compact receiving device according to any one of claims 2 to 6, wherein the first and second connectors and the first printed circuit board are housed inside the lid. (7) The holder on the back side of the first printed circuit board is engaged by forcefully press-fitting its protrusion into the engagement hole of the protrusion provided on the open side of the lid body, and the holder is engaged with the boss provided on the inside of the lid body. 7. The compact receiving device according to claim 6, which is mounted in a screw hole by being fastened with a screw.