JPH03461U

JPH03461U -

Info

Publication number: JPH03461U
Application number: JP6109789U
Authority: JP
Priority date: 1989-05-26
Filing date: 1989-05-26
Publication date: 1991-01-07

Description

[Brief explanation of drawings]

第１図は本考案に係る伝送制御装置の一実施例
の構成図、第２図は第１図の伝送制御装置の具体
例を示す図、第３図は変復調装置を内蔵した一般
的な電子機器の構成図、第４図は音響カプラを用
いた従来の電子機器の構成図である。１……伝送制御装置、２……音響入力手段、３
……音響出力手段、４……マトリツクス変換手段
、５……伝送制御手段、５０……電子機器、５１
……変復調装置、Ｒ_５０，Ｒ_５１……抵抗、Ｒ_５
２……可変抵抗、Ｒ_５３……交流内部抵抗。 Fig. 1 is a block diagram of an embodiment of the transmission control device according to the present invention, Fig. 2 is a diagram showing a specific example of the transmission control device of Fig. 1, and Fig. 3 is a diagram showing a general electronic device with a built-in modem. FIG. 4 is a block diagram of a conventional electronic device using an acoustic coupler. 1... Transmission control device, 2... Sound input means, 3
... Sound output means, 4 ... Matrix conversion means, 5 ... Transmission control means, 50 ... Electronic equipment, 51
...Modulator/demodulator, _R50 , _R51 ...Resistance, _{R5
2} ...Variable resistance, _R53 ...AC internal resistance.

Claims

[Claims for Utility Model Registration] 1. Performing predetermined matrix conversion processing on signals from an audio input means, an audio output means, and a modulation/demodulation device built in an electronic device, and adding the processed signals to the audio output means, as well as the audio input means. a matrix conversion means comprising a resistive bridge that performs predetermined matrix conversion processing on a signal from the means and applies it to the modulation/demodulation device, and is adapted to be detachably attached to the electronic device. Device. 2. A predetermined matrix conversion process is applied to the signals from the sound input means, the sound output means, and the modulation/demodulation device built in the electronic device, and the processed signals are added to the sound output means, and the signals from the sound input means are subjected to a predetermined matrix conversion process. The device is provided with a matrix conversion means consisting of a resistance bridge that performs a conversion process and is applied to the modem, and a current adjustment means that adjusts the current flowing when connected to the modem, and can be detachably attached to the electronic device. A transmission control device characterized by: