JPH11127115A - Electronic device receptible of control signal in compliance with irda standards and manufacturing device and method for electronic device using the control signal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic device that is capable of receiving a control signal based on IrDA standards interfacing an AV equipment and a computer, the manufacturing device and method for the electronic equipment using the control signal. SOLUTION: A television receiver 1 is constituted of internal device sections 2, 3, a transmission reception section 7 that makes transmission reception by using a signal format for a normal remote controller 4 used for an AV equipment, an infrared communication format in compliance with the IrDA used for a personal computer 5, and an infrared communication format with other AV equipment or the like in common, a microcomputer 8 to which a control program or the like is loaded, and a BUS line or the like usable for extension board extension 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device capable of receiving a control signal based on the IrDA standard, and an apparatus and a method for manufacturing an electronic device using the control signal. IrD
IrDA that can transmit and receive control signals conforming to the A standard
The present invention relates to an electronic device capable of receiving a control signal based on a standard, and an apparatus and a method for manufacturing an electronic device using the control signal.

[0002]

2. Description of the Related Art In recent years, remote control devices (hereinafter, also simply referred to as "remote control devices") have come to be used for air conditioners and lighting devices as well as AV devices such as video devices and television receivers. The convenience for the user is improved. This remote control device is very convenient because it can switch channels away from controlled devices such as video equipment and television receivers. Conventional AV
The remote control device used for the device is PPM
(Pulse Position Modulation) method is performed according to a unique standard based on a remote control signal format.

On the other hand, in the computer field, a portable personal computer and a portable information terminal PDA (Pe
rsonal Digital Assistants) has been developed, and attention is paid to infrared communication that realizes a wireless (cordless) serial information exchange and sharing environment between these portable information terminals or between a portable information terminal and an office desktop computer. Have been. This infrared communication is based on IrDA (Infrared Data), an industry standard body for infrared data communication.
Association) to standardize the activities.
Detailed specifications of rDA-SIR (Serial Infrared Physical Layer) version 1.0 (Mandatory) have been approved.

FIG. 4 illustrates an example of a physical layer standard of IrDA version 1.0. IrDA version 1.
The main rule of O is that U is used as a general-purpose driver.
ART (Universal Asynchronous Receiver / Transmitte)
r) based on 115.2 kbps data rate, communication speed 9.6-115.2 kbps, infrared wavelength 85
0-900nm, RZ baseband system transmission, pulse width is 3/16 of bit period, start-stop synchronization type / half duplex,
A data length of 8 bits, a communication distance of 1 meter (essential), a distance of 3 meters (optional), and a beam of ± 15 ° were specified as version 1.0.

[0005] After that, the target of the physical layer in IrDA is 1-4 for communicating still images and moving images at high speed.
Mbps standards, and by 1995
The detailed provisions of IrDA version 1.1 (Option) for speeding up the Mbps and 4 Mbps physical layer standards have been approved. With the approval of IrDA version 1.1, 9.
6 kbps-4 Mbps speed selection is now possible. Recently, 4 Mbps based on IrDA version 1.1
Up to now, infrared chips and transmission / reception devices (high-speed infrared units compatible with IrDA version 1.1) are available.

[0006] The operation of the IrDA version 1.0 in FIG.
The control signal of IR_Frame modulated by is transmitted as an IR signal from a transmission unit 12 such as an infrared light emitting diode (LED). The IR signal transmitted from the transmitting unit 12 is a PIN photo molded with a visible light cut resin.
The light is received by a receiving unit 13 such as a diode (PD). By selecting the spectral sensitivity characteristic of the PIN photodiode, the receiving unit 13 can also be used as a remote control signal receiving unit used in conventional AV equipment.
The transmitting / receiving device described above includes the transmitting unit 12 and the receiving unit 1
3 is housed in a shield case.

However, compatibility between the remote control signal format used for conventional AV equipment and the IrDA communication standard used for computers is not ensured.
For example, an image captured by a digital electronic still camera cannot be directly transmitted to an AV device. For this reason, it is expected that a large amount of cables will be used in the connection between AV devices and personal computers that will be integrated in the future. The presence of such a large amount of cables is not preferable because it complicates the connection operation and causes a connection error.

[0008] Further, for example, when a television receiver is manufactured, many adjustment items such as horizontal / vertical position, linearity (S-shaped correction), and pin phase are performed by a personal computer. That is, in the current production method of AV equipment, a method in which various data are transferred from a personal computer to perform adjustment and inspection is mainly used. in this case,
A cable is connected between the personal computer and the AV device to be adjusted. Therefore, 1. 1. Poor contact due to broken cable, etc. 2. Human error in cable connection The cause of trouble caused by the interposition of a cable, such as an electrical error due to a cable connection, is always included.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object a remote control format used for conventional electronic equipment (mainly AV equipment) and an infrared ray used for a computer. An object of the present invention is to solve the problem that it is not possible to integrate an AV device and a computer because they are not compatible with a communication format. Another object of the present invention is to provide a control signal based on the IrDA standard for improving the production efficiency of AV equipment by enabling cordless transmission of adjustment data and the like used in the manufacture of AV equipment between the AV equipment and a computer. The present invention provides an electronic device capable of receiving an electronic device, and a manufacturing apparatus and a manufacturing method of the electronic device using the control signal.

[0010]

According to an aspect of the present invention, there is provided an electronic apparatus capable of receiving a control signal based on the IrDA standard according to the first aspect of the present invention. Signal (remote control signal)
Format and IrDA used for computer equipment
A transmission / reception means capable of transmitting and receiving data in accordance with a standard infrared communication format, and a control signal received by the transmission / reception means are identified.
And controlling means for starting bidirectional communication in the infrared communication format of the IrDA standard by the transmission / reception means when a keyword of the infrared communication format of the standard is detected.

That is, the infrared communication format of the IrDA standard is a non-contact interface for two-way communication that is being introduced mainly in personal computers and the like. Recent personal computers have a communication speed of 4M.
The introduction of IrDA version 1.1 at bps has become easier, and digital electronic still cameras and the like that take advantage of the cordless features have emerged. The present invention has been made in view of such circumstances, and has been made in consideration of an infrared remote control receiving unit built in AV equipment such as a television receiver, a video apparatus, and a radio cassette recorder, and an IrDA used in a computer. It is characterized in that it shares the standard infrared communication interface. As a result, AV
The connection between the device and the personal computer can be made cordless, and the communication speed is increased.
The fusion of V equipment and personal computers can be further advanced.

According to a third aspect of the present invention, there is provided an apparatus for manufacturing an electronic device using a control signal based on the IrDA standard, the audio-visual device to be adjusted and the audio-visual device arranged near the audio-visual device. A computer device for transmitting and receiving a test signal based on an infrared communication format of the IrDA standard, and a peripheral device for supplying an adjustment / test signal to the computer device.

According to a fourth aspect of the present invention, there is provided a method of manufacturing an electronic device using a control signal based on the IrDA standard, wherein the audio-visual device to be adjusted and a computer device for interpolating an adjustment / inspection signal for the audio-visual device. The transmission and reception of the adjustment / inspection signal to and from the audio / visual equipment is performed cordlessly based on the infrared communication format of the IrDA standard.

According to the apparatus and method for manufacturing an electronic device using a control signal based on the IrDA standard of the present invention, adjustment / inspection data and the like necessary for manufacturing the electronic device can be cordlessly controlled based on the infrared communication format of the IrDA standard. Because of this, automatic adjustment /
Control of inspection and the like becomes easy. At this time, the transmission and reception of the adjustment information is performed cordlessly by infrared communication,
Troubles such as poor connection at the time of cable connection can be avoided.
At the same time, the exchange of the adjustment information is performed by the transmission / reception means used in combination with the remote control function, so that the adjustment and inspection of the AV device after housing the case are facilitated, and the production efficiency of the AV device can be improved.

[0015]

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a television receiver,
Fusion of AV devices and computers by sharing the infrared remote control receiver built into AV devices such as video devices and radio cassette recorders with the IrDA-compliant infrared communication interface transceiver used in computers. It is related to the idea of planning.
The present invention is effective when applied to all electronic devices using a remote control device. However, in the following description, a television receiver will be described as an example of a controlled device. Hereinafter, specific embodiments of the present invention will be described with reference to the accompanying drawings.

First, a circuit configuration of an electronic device capable of receiving a control signal based on the IrDA standard of the present invention will be described with reference to FIG. FIG. 1 is a block circuit diagram showing an example of an electronic device capable of receiving a control signal based on the IrDA standard of the present invention.

The television receiver 1 according to the present invention includes a conventionally known internal mechanism 2, 3 such as a television tuner or a video device built in or connected to the television receiver 1, as well as a normal TV used for AV equipment. The signal format of the remote control device 4, the IrDA-compliant infrared communication format used for the personal computer 5, the transmission / reception unit 7 capable of transmitting and receiving the infrared communication format with other AV equipment 6, and a control program are inserted. It is composed of a microcomputer 8 and the like.

A switch 72 for switching between a normal remote control signal format received by the receiving unit 71 and an IrDA-compliant infrared communication format is provided in the transmitting / receiving unit 7.
Along with the demodulator 73 and the remote control signal demodulator 74, the IrDA
A modulator 75 and a transmission unit 76 are provided. Also,
In the television receiver 1 of the present invention, various types of data transmitted / received by the transmission / reception unit 7 are not restricted between the microcomputer 8 and the internal mechanism units 2 and 3, and the extension for extension boards added to the television receiver 1 is added. 9 is also provided with a BUS line that can be used.

The circuit operation of the remote control device of the present invention having such a configuration will be described.

For example, when the normal remote controller 4 is operated to switch the channel or the like of the television receiver 1,
A desired channel is selected by pressing a channel key provided in the ordinary remote controller 4. The remote control signal output from the normal remote control device 4 is received by the transmission / reception unit 7, the normal remote control signal format is decoded by the remote control signal demodulator 74 in the transmission / reception unit 7, and the channel conversion of the television receiver 1 is conventionally known. It is performed as follows.

The transmission / reception unit 7 of the television receiver 1 of the present invention includes an Ir used in the personal computer 5 together with the signal format of the ordinary remote controller 4.
The system is capable of transmitting and receiving a DA-compliant infrared communication format. That is, a program that simulates the ordinary remote control signal using an infrared communication interface conforming to IrDA1.1 already exists. The present invention is a system capable of transmitting and receiving a conventional remote control signal and an IrDA1.1-compliant infrared communication interface using such a control program.

When the television receiver 1 is used alone,
It operates as a conventional remote control receiver. Microcomputer 8
When a specific keyword is received while the transmitting / receiving section 7 is operating as a normal remote control receiving section, the switch 72 is switched to connect the receiving section 71 to the IrDA demodulator 73 and activate the IrDA modulator 75 to activate the IrDA1. It performs control to start two-way communication, which is the original operation of the infrared communication interface conforming to No. 1. As a result, the transmission / reception unit 7 which has conventionally operated as a reception unit only for remote control signals
To an external personal computer 5 or other AV equipment 6
2 can be used as interface means capable of communicating with the television receiver 1 and the personal computer 5 as shown in FIG.

If the microcomputer of the AV device can communicate with an external personal computer in a cordless (wireless) manner, various usage forms are possible by utilizing the high speed of the infrared communication interface conforming to IrDA1.1. . For example, AV data such as transmitting image data of a video device directly to a television receiver or capturing image data of a digital video camera into a personal computer.
It can greatly contribute to the fusion of devices and personal computers. Since the keyword is decoded by the microcomputer 8 of the television receiver 1, an arbitrary keyword can be used by making an agreement between the two in advance. That is, a special code that cannot be transmitted from the external personal computer 5 or a combination of a plurality of codes corresponding to operation keys of the remote control device may be used.

Next, a method of manufacturing a television receiver using an infrared communication interface conforming to IrDA1.1 will be described with reference to FIG. FIG.
3A and 3B are diagrams illustrating a manufacturing apparatus and a manufacturing method of an electronic device using a control signal based on the rDA standard, wherein FIG. 3A is a perspective view illustrating an example thereof, and FIG. 3B is a display screen for vertical position adjustment.

The apparatus for manufacturing a television receiver according to the present invention as shown in FIG. 3A is connected to a personal computer 5 and a personal computer 5 which are close to the television receiver 1 to be adjusted, and the desired adjustment is made. It comprises a peripheral device 10 to which programs and adjustment devices are added. The television receiver 1 to be adjusted and the personal computer 5 are connected cordlessly using an infrared communication interface conforming to IrDA1.1. On the display screen of the television receiver 1, an operation menu for vertical position adjustment is displayed as an example.

The method of manufacturing a television receiver according to the present invention is performed by inputting a monoscope signal and a vertical position adjustment pattern from the peripheral device 10 to the display screen of the television receiver 1. However, in the method of manufacturing a television receiver according to the present invention, various kinds of adjustment data, which have conventionally been input using a plurality of cables, are directly input cordlessly using an infrared communication interface conforming to IrDA1.1.
That is, in the method of manufacturing a television receiver according to the present invention, the adjustment program preset in the personal computer 5 and the desired adjustment program added by the peripheral device 10 are downloaded and taken into the personal computer 5. Personal computer 5
Then, these adjustment programs are transmitted to a video processor (not shown) of the television receiver 1 by cordless transmission of the IrDA standard to start adjustment.

The operator performs the adjustment by operating the operation keys of the personal computer 5 and inputting the control information of the display position. For example, in the vertical position adjustment, while confirming the vertical position adjustment pattern shown on the display screen of the television receiver 1 as shown in FIG. give. The adjustment information given by the operation keys is transmitted to the video processor of the television receiver 1 to adjust the vertical position.

As described above, in the method of manufacturing a television receiver according to the present invention, since the exchange of the adjustment information is performed cordlessly (wirelessly) by infrared communication, troubles such as poor contact at the time of cable connection can be avoided. At the same time, the exchange of the adjustment information is performed by the transmission / reception unit 7 (see FIG. 1) which is used together with the remote control function, so that even after the television receiver 1 is completed, the adjustment can be performed without opening the case or the like. . Thereby, the adjustment / inspection efficiency of the television receiver 1 can be remarkably improved.

The present invention is not limited to the above embodiment,
Various embodiments can be employed. For example, in the above-described embodiment, a television receiver has been described as an example of an electronic device capable of receiving a control signal based on the IrDA standard. However, all AV devices such as a video device, an in-vehicle electronic device, and a radio cassette recorder have been described. Application is possible. Further, the IrDA standard applied in the present invention may be changed or updated in the future, but the present invention is applied to any IrDA standard. Further, it goes without saying that the present invention can be developed into various forms without being limited to the embodiment described above.

[0030]

As is apparent from the above description, according to the electronic device capable of receiving the control signal based on the IrDA standard of the present invention, the infrared remote controller built in the AV device such as a television receiver is used. Since the receiving unit and the IrDA-compliant infrared communication interface used in the computer are shared, the connection between the AV device and the personal computer can be made cordless, and the communication speed can be increased. It is possible to further advance the integration of AV equipment and personal computers.

Further, according to the apparatus and method for manufacturing an electronic device using a control signal based on the IrDA standard of the present invention,
IrDA provides adjustment and inspection data necessary for the manufacture of electronic equipment
Since the control is performed cordlessly based on the standard infrared communication format, control such as automatic adjustment and inspection by a personal computer, which has recently become the mainstream of the AV device production system, becomes easy. At this time, since the transmission and reception of the adjustment information is performed cordlessly by infrared communication, troubles such as poor contact at the time of cable connection can be avoided. At the same time, since the exchange of the adjustment information is performed by the transmission / reception means used in combination with the remote control function, the adjustment and inspection of the AV device after housing the case becomes easy, and the production efficiency of the AV device can be dramatically improved. Become.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram showing an example of an electronic device capable of receiving a control signal based on the IrDA standard of the present invention.

FIG. 2 is a conceptual diagram showing an operation of an electronic device capable of receiving a control signal based on the IrDA standard of the present invention.

FIG. 3 is a diagram showing a manufacturing apparatus and a manufacturing method of an electronic device using a control signal based on the IrDA standard of the present invention;
(A) is a perspective view showing one example, and (b) is a display screen for vertical position adjustment.

FIG. 4 is an explanatory diagram showing a physical layer of the IrDA standard according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Television receiver, 2, 3 ... Internal mechanism part, 4 ... Normal remote control device, 5 ... Personal computer, 6 ...
Other AV equipment, 7 ... Transceiving unit, 72 ... Switch, 73 ...
IrDA demodulator, 74 ... remote control signal demodulator, 75 ... I
rDA modulator, 8: microcomputer, 9: extension for extension board, 10: peripheral equipment, 11: digital modulation circuit, 12, 76: transmitting unit, 13, 71: receiving unit

Claims (4)

[Claims] 1. An infrared control signal format used for audio / visual equipment and an IrDA standard infrared communication format used for computer equipment. Control means for, when a keyword of the infrared communication format is detected, starting bidirectional communication in the infrared communication format of the IrDA standard by the transmission / reception means, wherein an electronic device capable of receiving a control signal based on the IrDA standard is provided. machine. 2. The control signal according to claim 1, wherein the electronic device is provided with a bus line corresponding to an expansion board added to the electronic device. Electronic equipment. 3. An audio-visual device to be adjusted, a computer device disposed near the audio-visual device, for transmitting and receiving an adjustment / inspection signal for the audio-visual device based on an IrDA-standard infrared communication format; An apparatus for manufacturing an electronic device using a control signal based on the IrDA standard, comprising: a peripheral device for supplying an adjustment / inspection signal to the computer device. 4. An audio / visual device to be adjusted and a computer device for interpolating an adjustment / inspection signal for the audio / visual device are arranged facing each other, and an adjustment / inspection signal for the audio / visual device is provided. Transmitting and receiving data wirelessly based on an infrared communication format of the IrDA standard, using the control signal based on the IrDA standard.