JPH07275059A - Av system rack - Google Patents

Abstract

PURPOSE:To eliminate a problem becoming an operation impossible state generated when a door is opened and remote control signals inside and outside a rack interfere each other in an AV system rack collectively performing the remote control of AV machinery by a microcomputer and capable of being controlled by simple operation using one remote controller. CONSTITUTION:In an AV system rack 2, an optical sensor 9 is attached in the vicinity of a door 7 to detect the opening and closing state of the door 7. A character generator 10 is provided and remote control is made possible by displaying a message on the screen of an image display device 11 when the door 7 is opened and informing the operational impossibility due to the interference of remote control signals to a user and, as a result, an unpleasant feeling from the aspect of operation is not imparted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention aims at simplifying the operation of a home theater consisting of a plurality of video and audio equipment such as video tape recorders and laser disk players (hereinafter abbreviated as AV equipment). It concerns system racks.

[0002]

2. Description of the Related Art In recent years, a home theater may be configured as a system. In order to simplify the operation, only one remote control means (hereinafter abbreviated as remote control) is used by the user, and a remote control signal (hereinafter abbreviated as remote control signal) is transmitted from the remote control. This remote control signal is received and decoded by the microcomputer. Furthermore, an AV system is conceivable in which a signal light emitting element controlled by a microcomputer emits a preset selected remote control code to operate AV equipment of many manufacturers with a common remote control.

A conventional AV system rack will be described below. FIG. 3 is a schematic view of a conventional AV system rack.

In FIG. 3, reference numeral 1 is a remote control that emits an optical signal as a remote control signal when a user operates it at hand, and 2 is an AV system rack containing an AV device 8.
3 is a light receiving element for receiving a signal from the remote control 1, 4 is a microcomputer for decoding the received remote control signal, 5 is a preset memory storing the remote control code of the AV equipment 8, and 6 is a remote control signal for the AV equipment 8. A signal light emitting element, an openable door 7 for covering the front surface of the AV system rack 2, and an AV device 8 installed in the AV system rack 2.

The operation of the AV system rack configured as described above will be described below.

First, when the user directs the remote control 1 at hand to the AV system rack 2, the remote control signal is received by the light receiving element 3 attached to the outside of the AV system rack 2, and the received remote control signal is sent to the microcomputer. At 4, the user's operation contents are decrypted. The preset memory 5 stores remote control codes of various manufacturers, and the remote control codes that match the AV equipment are read out under the control of the microcomputer 4. Further, a remote control signal is emitted from the light emitting element 6 controlled by the microcomputer 4 into the AV system rack 2 to operate the AV equipment 8.

[0007]

However, in the above conventional configuration, when the door 7 of the AV system rack 2 is opened, the remote control signal from the remote controller 1 for the user to operate the AV system rack 2 and the AV signal. Since the remote control signal for controlling the AV equipment 8 interferes inside the system rack 2, it may be inoperable against the user's intention, and as a result, there is a drawback that the user feels uncomfortable. .

The present invention solves the above-mentioned conventional problems. When the door 7 is open, even if the remote control signal interferes and the operation becomes inoperable, a message is displayed on the screen of the image display device or the light is turned on. Alternatively, it is an object of the present invention to provide an AV system rack 2 capable of notifying a user of the opened state of the door 7 by having a means for blinking and performing accurate remote control.

[0009]

In order to achieve this object, the AV system rack of the present invention controls a sensor for detecting the open / closed state of a door and an audiovisual device by a remote control signal,
A microcomputer that decodes the received remote control signal and a character generator that is controlled by the microcomputer and that receives a signal from the sensor and that generates a character signal indicating that the image display device cannot operate are provided. Characteristic or a sensor that detects the open / closed state of the door, a microcomputer that controls the audiovisual equipment with a remote control signal and decodes the received remote control signal, and a signal that is controlled by the microcomputer and that receives the signal from the sensor. And a means for turning on or blinking the light.

[0010]

With this configuration, it is possible to detect that the door is open and cannot be operated, display a message on the screen, and provide means for lighting or blinking on the outer wall of the AV system rack to keep the door open. By notifying the user, the state can be prevented and remote control can be reliably performed. As a result, the user can be prevented from feeling uncomfortable.

[0011]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic view of an AV system rack according to the first embodiment of the present invention. In FIG. 1, reference numeral 1 is a remote controller operated by the user.
Reference numeral 2 is an AV system rack containing AV equipment, 3 is a signal receiving element from the remote control 1, 4 is a microcomputer for decoding the received remote control signal, and 5 is a remote control of each AV equipment 8 installed in the AV system rack 2. A preset memory that stores a code, 6 is a signal light emitting element that emits a remote control signal to AV equipment, 7 is a door that covers the front of the AV system rack 2, and 9 is the level of detection of external light. An optical sensor for detecting the open / closed state of the door, 10 is a character generator for generating a character signal indicating that the door is open, and 11 is an image display device such as a television receiver or a projection type image display device. The operation of the AV system rack 2 configured as above will be described below.

First, when the user operates the dedicated remote controller 1 at hand toward the AV system rack 2, the remote controller signal is received by the light receiving element 3 attached to the outside of the AV system rack 2. The content of the user's operation indicated by the received remote control signal is decoded by the microcomputer 4 in the rack. The preset memory 5 stores remote control codes of many manufacturers, and is controlled by the microcomputer 4 to read out remote control codes compatible with the AV equipment 8. Further, a remote control signal is emitted from the light emitting element 6 controlled by the microcomputer 4 into the AV system rack 2 and the AV device 8
Is controlled.

However, when the door 7 of the rack is opened, the remote control signal from the remote control 1 for the user to operate the AV system rack interferes with the remote control signal for controlling the AV equipment 8 inside the AV system rack. Therefore, there is a possibility that the operation cannot be performed contrary to the user's intention. Therefore, the optical sensor 9 detects the open / closed state of the door, and the character generator 10 controlled by the microcomputer 4 generates a character signal "door is open" and superimposes the signal on the RGB signal to display an image. A message is displayed on the screen 11 of the display device.

As described above, according to this embodiment, by providing the optical sensor 9 and the character generator 10, even if the door 1 is opened and cannot be operated, a message is displayed on the screen of the image display device 11. This makes it possible to perform remote control, and as a result, the user does not feel uncomfortable in operation.

(Second Embodiment) A second embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 is a schematic diagram of an AV system rack showing a second embodiment of the present invention. In the figure, 1 is a remote controller operated by a user at hand, 2 is an AV system rack containing AV equipment, 3 is a signal receiving element from the remote controller 1, 4 is a microcomputer for decoding the received remote controller signal, 5 is an AV A preset memory that stores the remote control code of each AV equipment 8 installed in the system rack 2, 6 is a signal light emitting element that emits a remote control signal to the AV equipment, 7 is a door that covers the front of the AV system rack 2, and 9 is Reference numeral 12 denotes a laser light emitting diode (hereinafter abbreviated as LED) that detects external light and detects the open / closed state of the door based on the level of the detection.

The operation of the AV system rack 2 configured as described above will be described below.

As with the first embodiment, there is a possibility that the rack door 7 will become inoperable when it is open, but the optical sensor 9 detects the open / closed state of the door and the LED 11 mounted on the AV system rack 2 is used. Blinking or lighting makes it possible to perform remote control, and as a result, the user does not feel uncomfortable in operation. AV as above
By equipping the system rack with the LED 12, even if the door is opened and becomes inoperable, it is possible to allow the user to perform remote control by adding a simple component.

Although the optical sensor 9 is used as a sensor for detecting the open / closed state of the door in the first and second embodiments, the same applies when a light reflection sensor using infrared rays or a mechanism sensor using a micro switch is used. The result can be obtained.

[0020]

As described above, according to the present invention, in the AV system rack, the door is provided with the optical sensor, and the character generator or the means for lighting or blinking is provided to enable the remote control. As a result, it is possible to realize an AV system rack that does not give the user an unpleasant feeling in operation.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an AV system rack according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of an AV system rack according to a second embodiment of the present invention.

FIG. 3 is a schematic diagram of a conventional AV system rack.

[Explanation of symbols]

 1 Remote Controller 2 AV System Rack 3 Signal Receiving Element 4 Microcomputer 5 Preset Memory 6 Signal Emitting Element 7 Door 8 AV Equipment 9 Optical Sensor 10 Character Generator 11 Image Display Device 12 Laser Light Emitting Diode

Claims (3)

[Claims] 1. A door for shutting off a remote control signal from the outside, a sensor for detecting the open / closed state of the door, a light receiving element for receiving the remote control signal from the outside, and a plurality of audiovisual devices. A microcomputer that decodes a remote control signal from the outside and controls the audiovisual device,
A preset memory that is controlled by the microcomputer and stores a remote control signal that controls the plurality of audiovisual devices, and a signal that emits a remote control signal that is controlled by the microcomputer and that controls the audiovisual device. An AV including a light emitting element and a character generator controlled by the microcomputer to receive a signal from the sensor and generate a character signal indicating that the external image display device is inoperable. System rack. 2. A door for shutting off a remote control signal from the outside, a sensor for detecting the open / closed state of the door, a light receiving element for receiving the remote control signal from the outside, and a plurality of audiovisual equipments. A microcomputer that decodes a remote control signal from the outside and controls the audiovisual device,
A preset memory that is controlled by the microcomputer and stores a remote control signal that controls the plurality of audiovisual devices, and a signal that emits a remote control signal that is controlled by the microcomputer and that controls the audiovisual device. An AV system rack comprising: a light emitting element; and a unit which is controlled by the microcomputer and which lights or blinks in response to a signal from the sensor. 3. The AV system rack according to claim 1, wherein the sensor for detecting the open / closed state of the door is a light reflection sensor using infrared rays or a mechanical sensor using a micro switch.