JP2007043383A - Remote control receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To securely perform reception in any attitude with an inexpensive structure. <P>SOLUTION: A remote control receiver has a photodetector arranged at a specified position in a case 1 and also has a photodetection window formed on the case 1 opposite to the photodetector, which receives a remote control signal sent by a remote control transmitter 9 through the photodetection window with the photodetector. The photodetector comprises a pendulum type photodetector 12 which is supported by a holder 11 in a swingable manner and always holds a fixed attitude, and has a plurality of photodetection windows 13 to 15 formed on the case 1 opposite to the pendulum type photodetector 12, and the pendulum type photodetector 12 receives a remote control signal through the photodetection windows 13 to 15 facing front when the case 1 is held in a desired attitude. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a remote control receiver used in electrical equipment such as a disk device (for example, a slot-in DVD player), and in particular, can reliably receive a remote control signal transmitted from the front in any posture. It is to make.

Conventionally, there is a technique described in Patent Document 1 as a technique of a remote control receiver, and an example thereof will be described with reference to FIG. 7. This is a slot-in type DVD equipped with a remote control receiver.
A light receiver 4 is fixed on a printed circuit board 2 in a housing 1 including a front panel 1a, a bottom plate portion 1b, and a top plate portion 1c via a holder 3 as a player (disc device). Oppositely, a light receiving window 5 is formed at one end of the front surface of the front panel 1a, and a disk insertion port 6 for inserting the disk D in a slot-in manner is formed at the center of the front surface of the front panel 1a. In addition, 7 is an operation part provided with a power button etc., 8 is a display.

In the above configuration, as shown by a solid line in FIG. 7, a remote control signal is transmitted from the remote control transmitter 9 to the light receiving window 5 in a state where the housing 1 is in a horizontal posture, so that the remote control signal is received by the light receiving window 5. And the DVD receiver is operated based on the received signal.
Japanese Utility Model Publication No. 5-90890

In the conventional configuration, as shown by a solid line in FIG. 7, the light receiver 4 is fixed so as to face forward in a state where the housing 1 is in a horizontal posture. When the housing 1 is in a vertical posture, the light receiver 4 faces upward, and a remote control signal transmitted from the front of the housing 1 becomes difficult to be received by the light receiver 4, which is inconvenient.

In order to eliminate the above difficulty, a plurality of light receivers 4 are disposed in the housing 1 at a predetermined facing angle.
It is conceivable that the remote controller signal is received by the light receiver 4 facing forward regardless of the position of the housing 1 from the horizontal posture to the vertical posture, but this requires a plurality of light receivers 4. ,
Production costs are expensive.

The present invention has been made in view of the above-described conventional drawbacks, and an object thereof is to provide an easy-to-use remote control receiver capable of reliably receiving a remote control signal transmitted from the front in any posture with an inexpensive structure. It is said.

In order to achieve the above object, according to the first aspect of the present invention, a light receiver is fixed at a predetermined position in the housing of the disk device, and a light receiving window is formed on the front surface of the housing so as to face the light receiver. In the remote control receiver that receives the remote control signal transmitted from the remote control transmitter through the light receiving window, instead of the fixed receiver, the holder is supported by the holder in a swingable manner so that the posture is always constant. A pendulum type photoreceiver is used, and the pendulum type photoreceiver is inserted through a pair of left and right support shafts projecting from the upper part of both sides so as to be rotatable through the shaft hole of the holder, and the center of gravity is positioned below the support shaft. A pendulum, a light receiving element attached to the front surface of the pendulum, and a balancer provided on the rear surface of the pendulum, and the light receiving element is always in front regardless of the posture from the horizontal posture to the vertical posture. Shaped to face In addition to the front surface of the housing, a light receiving window is formed on both or one or both of the bottom surface and the top surface so as to face the light receiving element and face forward when the housing is in a desired posture. A remote control signal is received by the light receiving element through the light receiving window.

According to the second aspect of the present invention, a light receiver is disposed at a predetermined position in the housing, a light receiving window is formed in the housing so as to face the light receiver, and a remote control transmitted from the remote control transmitter through the light receiving window. In the remote control receiver configured to receive a signal by the light receiver, the light receiver is configured by a pendulum type light receiver that is swingably supported by a holder and always maintains a fixed posture, and is opposed to the pendulum type light receiver. A plurality of light receiving windows are formed in the housing, and when the housing is in a desired posture, the remote control signal is received by the pendulum type light receiver through the light receiving window facing forward. It is a feature.

According to a third aspect of the present invention, in the invention of the second aspect, the pendulum-type light receiver is rotatably inserted into the shaft hole of the holder through a pair of left and right support shafts protruding from the upper portions of both side surfaces. With a pendulum positioned below the spindle, a light receiving element attached to the front surface of the pendulum, and a balancer provided on the rear surface of the pendulum. However, the light receiving element is always formed so as to face forward.

The invention according to claim 4 is the invention according to claim 3, wherein the light receiving window is formed on both or one of the bottom surface and the top surface in addition to the front surface of the housing, and the housing is in a desired posture. In this case, a remote control signal is received by the light receiving element through a light receiving window facing forward.

The invention according to claim 1 corresponds to one embodiment (see FIGS. 1 to 6), and according to this, any posture from a horizontal posture to a vertical posture can be obtained. Since the light receiving element attached to the front surface of the pendulum and the balancer provided on the rear surface of the pendulum are balanced, the pendulum swings around the support shaft to maintain a vertical state, and the light receiving element always faces forward. By simply transmitting a remote control signal from the front toward the housing by the remote control transmitter, the remote control signal can be reliably received by the light receiving element through the light receiving window facing forward.

What is important here is that only one pendulum type light receiver including a pendulum, a light receiving element, and a balancer needs to be used, so that the number of parts does not increase and the manufacturing cost is low.

Also, the housing is provided with a plurality of light receiving windows, and any light receiving window is positioned in front of the light receiving element regardless of the posture of the housing, so that the remote control transmitted from the front through the light receiving window The signal can be reliably received by the light receiving element.

In short, a slot-in type D equipped with an easy-to-use remote control receiving device that can reliably receive a remote control signal transmitted from the front regardless of the posture with an inexpensive structure.
A disk device such as a VD player can be provided.

The invention according to claim 2 corresponds to the basic form, and according to this, the pendulum type light receiver that always maintains a constant posture regardless of the posture from the horizontal posture to the vertical posture. Can reliably receive the remote control signal transmitted from the front through the light receiving window of the housing, and since only one pendulum type light receiver is required, the number of parts does not increase and the manufacturing cost is low. .

According to the invention described in claim 3, in any posture from the horizontal posture to the vertical posture, the light receiving element attached to the front surface of the pendulum and the balancer provided on the rear surface of the pendulum are balanced, Since the pendulum swings around the support shaft and maintains a vertical state, the light receiving element always faces forward, so by simply sending a remote control signal from the front to the housing by a remote control transmitter,
The remote control signal can be reliably received by the light receiving element through the light receiving window facing forward, which is convenient.

According to the invention of claim 4, the housing is provided with a plurality of light receiving windows, and any light receiving window is positioned in front of the light receiving element regardless of the posture of the housing. A remote control signal transmitted from the front through the light receiving window can be reliably received by the light receiving element.

FIG. 1 shows a slot-in DVD player equipped with a remote control receiver according to an embodiment of the present invention. A holder 11 is arranged at one end of a front portion of a housing 1 in a horizontal posture. The pendulum type light receiver 12 is supported by the holder 11 so as to be swingable and always maintains a fixed posture.
A plurality of (three in this embodiment) light receiving windows 13 to 15 are provided on both the bottom surface and the top surface in addition to the front surface of the front panel 1a of the housing 1 so as to face the pendulum type light receiver 12. A translucent lens 16 is formed in each of the light receiving windows 13 to 15. The configuration other than the above is shown in FIG.
Therefore, the same reference numerals are given to the same parts and the description thereof is omitted.

As shown in FIGS. 2 to 4, the holder 11 includes a pair of left and right L-shaped frames 11 a that are parallel to each other at a predetermined interval, and a connecting plate 11 b that integrally connects base ends of the L-shaped frames 11 a. A shaft hole 17 is formed concentrically at the tip of both L-shaped frames 11a.
The holder 11 is fixed at a predetermined position on the printed circuit board 2 by inserting the protruding piece 11c integrally projecting at the base end of a into the through hole 2a of the printed circuit board 2 and deforming it outwardly.

As shown in FIGS. 2 to 4, the pendulum light receiver 12 includes a synthetic resin pendulum 18 having a square shape in plan view, a light receiving element LED including a photodiode attached to the front surface of the pendulum 18, and the light receiving element LED. And a balancer 19 integrally projecting on the rear surface of the pendulum 18, and a pair of left and right support shafts 18 a projecting from the upper part of both side surfaces of the pendulum 18 can be rotated in the shaft holes 17 of the holder 11. Is inserted into the pendulum 18 around the axis O1 of the support shaft 18a.
Is formed so as to be able to swing, and by extending the lower part of the pendulum 18 downward, the center of gravity G of the pendulum 18 is positioned below the support shaft 18a on the vertical axis O2 passing through the center of the pendulum 18. As a result, the housing 1 is moved from a horizontal posture (see FIG. 1) to a vertical posture (see FIGS. 5 and 6).
The pendulum 18 swings around the support shaft 18a to always maintain a vertical state, and the light receiving element LED is always directed forward. In addition, light receiving element LED
The lead wire 20 connected to is extended outward through one of the support shafts 18 a so that the lead wire 20 does not hinder the swinging of the pendulum 18. In FIG. 2, reference numeral 21 denotes a housing 1.
And is integrally projected on the front panel 1a.

In the above configuration, as shown in FIG. 1, when a remote control signal is transmitted from the front to the light receiving window 13 by the remote control transmitter 9 in a state where the housing 1 is in a horizontal posture, the remote control signal causes the light receiving window 13 to be transmitted. The light is received by the light receiving element LED, and the DVD player is operated based on the received signal.

When the housing 1 in the horizontal posture state shown in FIG. 1 is raised in the direction of arrow A and the housing 1 is in a vertical posture with its bottom plate portion 1b facing forward, as shown in FIG. Vessel 12
Always holds a constant posture, the light receiving element LED faces forward and faces the light receiving window 14,
Also in this case, when a remote control signal is transmitted from the front to the light receiving window 14 by the remote control transmitter 9, the remote control signal is received by the light receiving element LED through the light receiving window 14, and the DVD player is based on the received signal. Operated.

The casing 1 in the horizontal posture state shown in FIG. 1 is raised in the direction of arrow B so that the casing 1 is in a vertical posture with its top plate portion 1c facing forward, and the casing 1 is turned upside down. When the disc insertion opening 6 is directed upward, as shown in FIG. 6, the pendulum type light receiver 12 always maintains a fixed posture, and the light receiving element LED faces the front and faces the light receiving window 15, in this case. However, when a remote control signal is transmitted from the front to the light receiving window 15 by the remote control transmitter 9, the remote control signal is received by the light receiving element LED through the light receiving window 15, and the DVD player is operated based on the received signal. .

According to the above configuration, the housing 1 is in the horizontal posture (see FIG. 1) to the vertical posture (see FIGS. 5 and 6).
In any posture, the light-receiving element LED attached to the front surface of the pendulum 18 and the balancer 19 provided on the rear surface of the pendulum 18 are balanced, and the pendulum 18 swings around the support shaft 18a to be vertical. Since the light receiving element LED always keeps facing forward, the remote control transmitter 9 simply sends a remote control signal from the front toward the housing 1, and the light receiving window 13 ~ The light receiving element LED can be surely received through 15.

What is important here is that only one pendulum type light receiver 12 including the pendulum 18, the light receiving element LED, and the balancer 19 is used, so the number of parts does not increase and the manufacturing cost is low.

Also, the housing 1 is provided with a plurality of light receiving windows 13 to 15, and any light receiving windows 13 to 15 are positioned in front of the light receiving element LED regardless of the posture of the housing 1. The remote control signal transmitted from the front through the light receiving windows 13 to 15 can be reliably received by the light receiving element LED.

In short, a slot-in type D equipped with an easy-to-use remote control receiving device that can reliably receive a remote control signal transmitted from the front regardless of the posture with an inexpensive structure.
A VD player can be provided.

In the above configuration, the case where the three light receiving windows 13 to 15 on the front surface side, the bottom surface side, and the top surface side are provided has been described as an example. However, the present invention is not limited to this. The present invention is also applied when two light receiving windows 14 are provided, and is also applied when two front light receiving windows 13 and two upper light receiving windows 15 are provided.

In the above embodiment, the slot-in type DVD player has been described as an example. However, the present invention is not limited to this, and a disk device such as a slot-in type DVD recorder and various electric devices are also applicable.

1 is a perspective view showing a slot-in type DVD player provided with a remote control receiver according to an embodiment of the present invention. FIG. It is an expanded longitudinal cross-sectional view of the principal part. It is an expanded horizontal sectional view of the principal part. It is a disassembled perspective view of the principal part. (A) is the perspective view of the state which made the housing | casing the vertical attitude | position so that the baseplate part may face front, (b) is an expanded longitudinal cross-sectional view of the principal part. (A) is the perspective view of the state which made the housing | casing the vertical attitude | position so that the top-plate part may face front, (b) is an expanded longitudinal cross-sectional view of the principal part. It is a perspective view which shows a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 9 Remote control transmitter 11 Holder 12 Pendulum type light receiver 13-15 Light receiving window 17 Shaft hole 18 Pendulum 18a Pendulum spindle 19 Balancer LED Light receiving element G Center of gravity of pendulum

Claims (4)

A light receiver is fixed at a predetermined position in the housing of the disk device, and a light receiving window is formed on the front surface of the housing so as to face the light receiver, and the remote control signal transmitted from the remote control transmitter through the light receiving window is received by the light receiving device. In the remote control receiver that receives the signal, a pendulum type light receiver that is supported in a swingable manner by the holder and always maintains a fixed posture is used instead of the fixed type light receiver. A pendulum in which a pair of left and right support shafts projecting from the upper part of both sides is rotatably inserted into the shaft hole of the holder and the center of gravity is positioned below the support shaft, and a light receiving element attached to the front surface of the pendulum, A balancer provided on the rear surface of the pendulum, and is formed so that the light receiving element always faces forward regardless of the position of the casing from a horizontal position to a vertical position, and faces the light receiving element. Other than the front of the body A light receiving window is formed on both or one of the bottom surface and the top surface, and when the casing is in a desired posture, the remote control signal is received by the light receiving element through the light receiving window facing forward. A remote control receiver characterized. A light receiver is disposed at a predetermined position in the housing, and a light receiving window is formed in the housing so as to face the light receiver, so that a remote control signal transmitted from the remote control transmitter is received by the light receiver through the light receiving window. In this remote control receiver, the light receiver comprises a pendulum type light receiver that is swingably supported by a holder and always maintains a fixed posture, and a plurality of light receiving portions are received by the housing opposite the pendulum type light receiver. A remote control receiving apparatus, wherein a window is formed and a remote control signal is received by a pendulum type light receiver through a light receiving window facing forward when the casing is in a desired posture. The pendulum-type light receiver has a pair of left and right support shafts protruding from the upper part of both sides rotatably inserted in the shaft hole of the holder, and a center of gravity located below the support shaft. It has an attached light receiving element and a balancer provided on the rear surface of the pendulum, and is configured so that the light receiving element always faces forward regardless of the posture from the horizontal posture to the vertical posture. The remote control receiver according to claim 2, wherein: The light receiving window is formed on both or one of the bottom surface and the top surface in addition to the front surface of the housing. When the housing is in a desired posture, the remote control signal is received through the light receiving window facing forward. 4. The remote control receiver according to claim 3, wherein reception is performed by an element.

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