JPH0369222A - Infrared remote controller - Google Patents

Abstract

PURPOSE:To operate a distant equipment or an equipment which is positioned in a dead zone due to an obstacle or directivity, etc., as well by providing an infrared repeater to receive and repeat infrared ray, including an operating signal emitted from an infrared transmitter, and to emit the infrared rays to the objective equipment to be operated. CONSTITUTION:The infrared transmitter 1 emits the infrared rays LV, including the information of the operating signals to the objective equipment to be operated, toward the infrared repeater 2. In the infrared repeater 2, the infrared rays LV from the infrared transmitter 1 are received by a reception part 3, converted into an electric signal and amplified. Through a control part 5, carrier frequency information from a carrier frequency detection part 41 and envelope data from an envelope detection part 42 are once stored in a RAM 6. According to the output signal of a synthesizing selection part 9, the infrared rays including the information of the operating signals are emitted to the prescribed objective equipment to be operated. The infrared rays are emitted form a transmission part 10 in ternary direction and an infrared emission part 101A operates the objective equipment of operation in a front direction and parts 101B and 101C operate the objective equipments to be operated in the dead zone.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an infrared remote control device, and more particularly to an infrared remote control device for operating equipment such as a TV or VTR using a telephone line or the like.

[Conventional technology]

Conventionally, this type of infrared remote control device can be used, for example, to control a TV in a home from a remote location.

When operating a VTR, audio device, air conditioner, etc., a telephone line is used to emit infrared rays containing information on the operation signals of these devices from the infrared transmitter built into the phone. It was configured to operate.

[Problem to be solved by the invention]

The above-mentioned conventional infrared remote control device is configured to operate the target device using infrared rays emitted from an infrared transmitter, so it has the disadvantage that the range is short due to disturbance of infrared information due to external light. ,
In addition, the device to be operated may be located in a location that cannot be seen from the infrared transmitter due to an obstacle, or even if it is visible, it may not be possible to operate it due to blind spots caused by the directivity of infrared transmission from the infrared transmitter and the receive directivity of infrared rays of the device to be operated. The drawback is that it disappears.

The object of the present invention is to be able to extend the operable distance,
It is also an object of the present invention to provide an infrared remote control device that can be operated even in places where it cannot be seen due to obstacles or in blind spots due to transmission directivity and reception directivity, which could not be operated conventionally.

[Means to solve the problem]

The infrared remote control device of the present invention includes: an infrared transmitter that emits infrared rays containing information of an operation signal for a device to be operated; An operation signal detection unit that detects information on the operation signal from the output signal of the reception unit, a storage unit that temporarily stores information on the operation signal from the operation signal detection unit, and information on the operation signal that is temporarily stored in the storage unit. and an infrared repeater including a transmitter that emits infrared rays containing .

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing a first embodiment of the present invention.

The infrared transmitter 1 emits an infrared light Lv including information on an operation signal for the device to be operated toward the infrared repeater 2 .

The infrared repeater 2 includes a photodiode DR, a resistor R, a capacitor C, and an amplifier A. The infrared repeater 2 includes a receiving section 3 that receives the infrared ray Lv from the infrared transmitter 1, converts it into an electrical signal, and amplifies it, and an output signal of the receiving section 3. An operation signal detection unit comprising a carrier frequency detection unit 41 that detects the carrier frequency of one piece of information in the operation signal, and an envelope detection unit 42 that detects envelope data of another piece of information in the operation signal from the output signal of the reception unit 3. 4, and an RA that temporarily stores carrier frequency information from the carrier frequency detection section 41 and envelope data from the envelope detection section 42 via the control section 5.
M6, a carrier generation section 7 that generates a carrier signal based on the carrier frequency information temporarily stored in the RAM 6, an envelope data output section 8 that outputs the envelope data temporarily stored in the RAM 6, and an AND gate G1.
-Gn, and synthesizes the carrier signal from the carrier generation section 7 and the envelope data from the pen envelope data output section 8, and selects and outputs one of the plurality of output terminals according to instructions from the control section 5. Part 9 and AND
Transistors Q1 corresponding to gates 01 to Gn, respectively
~Qn, light emitting diodes DTI~DTn connected in series to these transistors Ql~Qn, and resistors R1~Rn, and emits infrared rays containing operation signal information to a predetermined operation target device according to the output signal of the synthesis selection section 9. Transmitter 1
0, a key operation section 11 for selecting the direction in which infrared rays from the transmitting section 10 are desired to be transmitted, a ROM 12 for storing a program for controlling the control section 5, a display section for displaying various information, and the above-mentioned It has a configuration including a control section 5 that controls each section.

FIG. 2 is a plan view showing the appearance of this embodiment.

In FIG. 2, the transmitter 10 can emit infrared rays in three directions.
A is used to operate the target device in front, and can extend the operable distance. Further, the infrared ray emitting unit Loin, 101° is used to operate a device to be operated where there is no visibility to the left or right.

FIG. 3 is an external perspective view of a second embodiment of the present invention.

This embodiment includes an infrared emitting section 101p for operating the device to be operated in front, and an infrared emitting section 101t whose emitting direction can be changed in the horizontal direction 360" and in the vertical direction. In particular, the infrared emitting section 101p* You can precisely match the direction in which you want to emit infrared rays, and the bottom selection section (
9) and the transmitter (10) can be reduced to two systems.

[Effects of the Invention] As explained above, the present invention has a configuration in which an infrared repeater is provided that receives and relays infrared rays including an operation signal emitted from an infrared transmitter and emits them to a device to be operated. This has the effect of making it possible to operate devices that are far away and that were previously impossible to operate, as well as devices that were blind spots due to obstacles, directivity, etc.

Bellow detection unit, 1014 to IOIg...Infrared emission unit, A...Amplifier, DR...Photodiode, DT
I, DTn...Light emitting diode, 01~Gn...A
ND gate, Ql~Qn...transistor.

Claims (1)

[Claims] An infrared transmitter that emits infrared rays containing information on an operation signal for a device to be operated, a receiver that receives the infrared rays from the infrared transmitter, converts it into an electrical signal, and amplifies it, and an output signal of this receiver that converts the operation signal to the operating signal. an operation signal detection section that detects information on the operation signal, a storage section that temporarily stores the information on the operation signal from the operation signal detection section, and an infrared ray including the information on the operation signal once stored in the storage section, to the device to be operated. 1. An infrared remote control device comprising: an infrared repeater equipped with a transmitting section that emits light to a remote control device.