KR20080033591A - Remocon funtion built-in irda - Google Patents

Abstract

An IrDA(Infrared Data Association) module for receiving a remote controller signal is provided to remotely control devices having an IrDA chip through an integrated remote controller. An IrDA driving chip(3) drives an LED(Light Emitting Diode)(1) and a receiving photodiode(2) according to IrDA standards in order to transmit/receive data t/from the exterior via the LED and the photodiode. A remote controller signal processing unit(5) processes a remote controller signal inputted via the photo diode. The remote controller signal processing unit includes a reception function block having a remote controller BPF(Band Pass Filter) for separately receiving a remote controller signal from an IrDA data signal or other disturbance light, and a transmission function block having a remote controller modulator for modulating the frequency of inputted data into a commercial remote control signal.

Description

IDC module capable of receiving remote control signals {Remocon funtion built-in IrDA}

1 illustrates an embodiment of a conventional IrDA module with a built-in remote controller call function.

2 is a plan view of an IrDA module according to an embodiment of the present invention.

3 is a functional block diagram of an IrDA module according to an embodiment of the present invention.

4 is a functional block diagram of an IrDA module according to another embodiment of the present invention.

5 is a functional block diagram of an IrDA module according to another embodiment of the present invention.

6 is a flowchart illustrating a remote control signal processing of the IrDA module according to the present invention.

7 is an operational state diagram of devices equipped with an IrDA module according to the present invention.

The present invention relates to an IrDA module, and more particularly, to an IrDA module equipped with a remote control reception function.

IrDA module is designed to transmit and receive data using infrared light. It is used in various communication devices and office equipments such as printers, and its range of use is rapidly expanded due to the bidirectional transmission of data at short distances. have.

Recently, the development of an improved IrDA module to implement a variety of functions without having to keep the IrDA module as a data exchange function such as a telephone number exchange, which is a conventional function. For example, as illustrated in FIG. 1, an IrDA module 100 corresponding to a remote control transmission function, including a remote control transmission function, has been developed to control a home appliance using a mobile phone equipped with an IrDA module.

This is because the wavelength of the optical signal emitted from the IrDA module 100 for transmission of the IrDA data signal, which is a kind of data signal, and the wavelength of the optical signal of the remote controller used for remote operation are almost the same. By varying the driving current of the 122 and adjusting the radiation intensity of the LED 122, data exchange using the IrDA module 100 and remote operation by the remote controller are realized using the same light emitting element.

As shown in FIG. 1, the mobile phone 13 corresponding to the remote control transmission function is provided with an IrDA module 100 and an LED installed outside the IrDA module 100 and controlled by the CPU 4 of the mobile phone. A data signal control element (IrDA controller 2) for controlling the timing for driving the current generating means (IrDA driver) for driving the 122, and a first resistor (for adjusting the radiation intensity of the LED 122). 6) In addition to Rl and LEDVCC 5, which is the driving voltage of the LED 122, LED 122 which can cope with the remote control transmission function and is installed outside the IrDA module 100 and controlled by the CPU 4 of the cellular phone. A remote control signal control element (remote control controller 3) for controlling the timing of driving the current generating means (remote control driver) for driving and an IrDA data signal suitable for transmitting the IrDA data signal from the IrDA controller 2 The remote control controller 3 By installing a switch 8 SW for selecting whether the radiation intensity is suitable for transmitting the remote control signal of the data receiver and a second resistor 7 R2 therefor, the display portion 12 or the antenna 9 which is other components; And a communication CPU 10 or a keyboard 11 for controlling the antenna 9.

In Korean Patent Laid-Open No. 10-2005-0014733 filed by Romu Corporation, a current suitable for transmitting and receiving data in an IrDA module and a current suitable for transmitting a remote control signal are distinguished, and each suitable current is divided into infrared LEDs. Disclosed is an IrDA element having a first current generating means and a second current generating means for driving a light emitting device such as the above, and a means for selectively switching the first and second current generating means.

However, as described above, the products are limited in their functions to remotely control other electronic products equipped with a remote control receiving module, for example, a product such as a TV or a DVD.

Accordingly, by diversifying the functions of the IrDA module, there is a continuing demand for a method for more conveniently using various office devices, communication devices, or home appliances equipped with the IrDA module.

The present inventors have found that by providing a remote control reception function to a conventional IrDA module, it is possible to control all communication devices, office devices, or home appliances, etc., on which the IrDA module is mounted, using a remote control transmitter.

An object of the present invention is to provide an IrDA module having a remote control receiving function.

Another object of the present invention is to provide an IrDA module having a remote control transmission and reception function.

Another object of the present invention is to provide a device equipped with an IrDA module having a remote control receiving function.

The present invention provides an operating system for mutually controlling devices equipped with an IrDA module capable of transmitting and receiving a remote controller.

In order to achieve the above object, the light-emitting electronic product of the present invention

Light emitting element; Light receiving element; A light emitting electronic component having a light emitting element and a driving element for driving the light receiving element, and transmitting and receiving data to and from the outside through the light emitting element and the light receiving element, an element for processing a remote control signal input from the light receiving element. It is characterized by including.

In the present invention, the light received or emitted is infrared light, and the light-emitting electronic product is an IrDA module.

In the present invention, the light receiving element may use a conventional light receiving element used for receiving light in a conventional IrDA module, and is preferably a photodiode.

In the present invention, the IrDA module includes a device for processing a remote control signal input from the light receiving device.

In the present invention, the remote control signal inputted from the light receiving element is a signal transmitted from a conventional remote control transmitting element and is input through the light receiving element, preferably a modulated form, most preferably a fc modulated signal. .

In the present invention, the remote control signal may be input separately or together with the infrared light data signal input to the outside, the input remote control signal is processed in the remote control input signal processing element. The input remote control signal, for example, the modulated remote control signal, may be filtered from the data signal through a filtering device such as a band filter and input to the remote control signal processing element.

The remote control signal processing element may form a chip separate from the IrDA driving IC to process a remote control signal, or a chip having a function of processing a separate remote control reception signal to the IrDA driving chip. In addition, it is possible to use a driving IC mounted on a conventional remote control receiving module.

In the present invention, the driving device for driving the light emitting device can generate a modulated remote control signal in addition to the normal IrDA data transmission function. The additionally generated remote controller signal may be generated by a separate remote controller signal generation circuit or device, and a new IrDA drive in which a function or a zone for generating a remote controller signal different from a data signal by modulating the conventional IrDA driver chip is added. Chips are available. A circuit or device capable of generating a remote control signal in an IrDA light emitting device can be made using a conventionally disclosed method.

In one aspect of the invention, a light emitting device; Light receiving element; And inputting a remote controller signal to a light receiving element of an IrDA module that transmits and receives data to and from the outside by driving the light emitting element and the light receiving element.

Separating a signal input from a remote control signal transmitter from a signal input to the light receiving element; And

Processing the separated remote control signal

It consists of a remote control signal receiving method using an IrDA element.

In the present invention, the signal input to the light receiving element is a remote control signal input from the remote control signal transmitter, and is usually a signal modulated to distinguish it from other signals, preferably an fc modulated remote control signal. The remote control signal may be input simultaneously or separately from the data signal input from the outside through the IrDA light receiving element.

In addition, in the present invention, the remote control signal input through the light receiving element may be separated from the data signal input to the light receiving element through the signal separation means. The signal separation means may use a conventional signal separation circuit, and there is no particular limitation as long as it can separate the remote control signal from the IrDA data signal. In a preferred embodiment of the invention, the remote control signal and the IrDA data signal band filter are separated from each other.

Here, the remote control signal and the IrDA data signal may be separated before or after being input to the driving device for processing IrDA data, preferably after the input to the driving device separates the remote control signal through a band filter to process the remote control signal. It is input to the device.

The present invention in one aspect, the light emitting device; Light receiving element; A light emitting electronic component having a light emitting element and a driving element for driving the light receiving element, and transmitting and receiving data to and from the outside through the light emitting element and the light receiving element, an element for processing a remote control signal input from the light receiving element; It consists of devices equipped with an IrDA module including a device for generating a remote control signal in the light emitting device.

In the present invention, the device equipped with the IrDA module capable of transmitting and receiving the infrared communication and the remote control may be mainly applied to an office device or a communication device such as a printer, a copy machine, a fax machine, a mobile phone, and the like, capable of infrared data communication. In one embodiment of the present invention, a printer or a copying machine equipped with an IrDA module according to the present invention may be remotely turned on / off by a mobile phone with an IrDA chip according to the present invention, and receives and stores data stored in the mobile phone. Or function to print.

Hereinafter, a light emitting electronic component using infrared light capable of receiving a remote controller signal according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Example

As shown in FIG. 2, the light emitting electronic product using infrared light capable of receiving a remote control signal according to the present invention is a light emitting electronic product capable of transmitting and receiving a remote control signal in addition to transmitting and receiving data using infrared light. (1); Light-receiving photodiode 2; And an IrDA driving chip 3 for driving the LED 1 and the grape diode 2 according to an IrDA standard so that data can be transmitted and received to and from the outside through the LED 1 and the photodiode 2. It is a structure which consists of a remote control signal processing element 5 which processes the remote control signal input through the diode 2.

That is, the LED 1 is an infrared light LED 1 that emits infrared light according to a signal generated by the IrDA driving chip 3 and transmits data in the form of light. The infrared light LED 1 is surface-mounted on the PCB substrate 11 by using a conductive paste, and is connected to the IrDA driving chip 3 and the remote control signal processing element 5 through the bonding wire 12.

In addition, the photodiode 2 is also surface-mounted on the PCB substrate 11 by using a conductive face frame, and is connected to the IrDA driving chip 3 and the remote controller signal processing device 5 through the bonding wire 12.

Here, the IrDA driving chip 3 selects a signal conforming to the IrDA standard from various signals input from the photodiode 2 so as to receive data input from the outside. In addition, the IrDA driving chip 3 converts data output from the inside into a signal conforming to the IrDA standard, and functions to cause the infrared LED 1 to emit light according to the converted signal.

In addition, the remote control signal processing element 5 is connected to the grape diode 2 and the bonding wire 12, and receives various signals input from the grape diode 2, the remote control transmitter (not shown) of the input signal Remote control signal input from the control unit is selectively received and processed. Normally, the remote control signal input from the remote control transmitter is fc modulated through a modulator to distinguish it from an IrDA data signal or other disturbing light.

Here, the remote control signal processing element 5 may additionally generate a remote control signal for operating a remote control receiving module (not shown) mounted on another device through the LED 1.

In addition, as shown in FIG. 3, the interior of the remote control signal processing element 5 may be classified according to functions. The remote control signal processing element 5 has a receiving function block 26 having a built-in remote control band pass filter 16 for separating the remote control signal from various signals, thereby separating the remote control signal from an input IrDA data signal or other disturbance light. Can be received.

Here, in addition to the reception function block 26, a transmission function block 28 capable of generating a remote control signal may be added to the remote control signal processing element 5. The transmission function block 28 includes a remote control modulator 18 which modulates the frequency of the input data into a commercially available remote control signal.

In another embodiment of the present invention, as shown in FIG. 4, the remote control signal processing function and the IrDA signal processing function may be embedded in one driving chip 46 to function separately. The driving chip 46 is connected to the photodiode 2 and the LED 1 through wire bonding 12 to input various signals, and to output IrDA data signals or modulated remote control transmission signals. The remote control function block 47 is composed of a remote control reception function block 47 'and a remote control transmission function block 47 ", and the IrDA function block 48 is an IrDA reception function block 48' and an IrDA transmission function block 48. ") In the remote control receiving function block 47 ', the remote control signal is separated from the IrDA signal or the disturbance light signal through the remote control signal band pass filter and processed.

In still another embodiment of the present invention, as shown in FIG. 5, only the remote control signal receiving function may include a separate remote control receiving function chip 58 and a driving chip 59 having a remote control transmitting function and an IrDA transmitting / receiving function. At this time, the grape diode 2 is connected to the remote control receiving function chip 58 and the driving chip 59, only the driving chip 59 is connected to the LED (1) through the bonding wire. Similarly, the remote control signal inputted to the remote control receiving function chip 58 is separated from the IrDA signal or the disturbance light signal through the remote control signal band pass filter and processed.

In the practice of the present invention, the function of processing the received remote control signal is given to the driving chip for processing the IrDA signal or even if it is made in a separate chip, as shown in Figure 6, through a light receiving element such as a photodiode Is input (S1); and separating the signal input from the remote control signal transmitter from the signal input through the light receiving element (S2); and processing the separated remote control signal (S3).

Here, a signal input through a light receiving element such as a photodiode is composed of disturbance light generated by visible light or other electronic devices, in addition to a data signal input by IrDA standard and a remote control signal input from an external remote controller transmitter.

In the step of separating the input signal from the remote control signal transmitter from the input signal, the remote control transmitter in the data signal input in the IrDA standard, the remote control signal input from the external remote control transmitter and disturbance light generated from visible light or other electronic devices It separates the modulated and transmitted remote control signal, for example, fc modulated remote control signal. Since the remote control signal is modulated by fc, it passes through the band pass filter, but the IrDA signal is blocked and received separately.

In addition, in the step S3 of processing the separated remote control signal, the remote control signal is processed to transmit an electrical signal so that the device equipped with the light emitting electronic product operates according to the external remote control transmitter.

In addition, devices equipped with an IrDA module capable of transmitting and receiving a remote controller according to the present invention are implemented as a system capable of remotely controlling each other. As shown in FIG. 7, the devices 71, 72, and 73 are equipped with IrDA modules 71 ′, 72 ′, 73 ′, respectively, and the device 72 is connected via the device 71. And a system for implementing data communication between device 73.

Here, the device 71 transmits a remote control signal 71 "to turn on the other devices 72 and 73 through the light emitting LED of the IrDA module 71 '. The device 72 and the device 73 After receiving the remote control signal 71 "through each IrDA module 72 'or 73', the remote control signal 71" is processed by the remote control signal receiving element and is turned on. The remote controller signal 71 "is transmitted again through the light emitting LED of the IrDA module 71 'of the device 71 to instruct data of the other device 72 and data reception of the device 73. The device 72 ) Transmits internal data to the device 73 through the IrDA driving chip of the IrDA module 72 ', and the device 73 transmits data of the device 72 through the IrDA driving chip of the IrDA module 72'. Will receive.

The present invention is not limited to the above-described embodiments, and of course, modifications may be made by those skilled in the art without departing from the spirit of the present invention.

Therefore, the scope of the claims in the present invention will not be defined within the scope of the detailed description, but will be defined by the following claims and their technical spirit.

According to the present invention, a water-receiving electronic component capable of receiving a remote control signal in addition to data communication using infrared light has been provided. In addition, the water-receiving electronic component that can receive the remote control signal of the present invention is combined with the technology that can transmit the remote control signal, IrDA chip via the integrated remote control or devices equipped with IrDA chip capable of receiving and receiving the remote control signal A system was provided for remotely controlling these devices.

Claims (8)

Light emitting element; Light receiving element; An IrDA module having a light emitting element and a driving element for driving the light receiving element, and transmitting and receiving data to and from the outside through the light emitting element and the light receiving element, The IrDA module comprises an element for processing a remote control signal input from the light receiving element. The method of claim 1, The IrDA module further comprises an element capable of transmitting a remote control signal through the light emitting element. The IrDA module according to claim 1, wherein the IrDA module includes an element for separating a remote control signal from a signal input to the light receiving element. 4. The IrDA module according to claim 3, wherein the remote control signal is separated by a band pass filter. The IrDA module according to any one of claims 1 to 4, wherein the remote control signal is an fc modulated signal. Light emitting element; Light receiving element; And inputting a signal including a remote controller signal to a light receiving element of an IrDA module that transmits and receives data to and from the outside by driving the light emitting element and the light receiving element. Separating the remote control signal from the signal input to the light receiving element; And Processing the separated remote control signal Remote control signal reception method using an IrDA device, characterized in that it comprises a.  7. The method of claim 6, wherein the remote control signal is separated from the remote control signal modulated by a band pass filter. An apparatus equipped with an IrDA module according to any one of claims 1 to 4 and controlled by a remote controller.

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