JPH0238843U - - Google Patents

Info

Publication number
JPH0238843U
JPH0238843U JP11778488U JP11778488U JPH0238843U JP H0238843 U JPH0238843 U JP H0238843U JP 11778488 U JP11778488 U JP 11778488U JP 11778488 U JP11778488 U JP 11778488U JP H0238843 U JPH0238843 U JP H0238843U
Authority
JP
Japan
Prior art keywords
telephone line
call
base station
level control
connecting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP11778488U
Other languages
Japanese (ja)
Other versions
JPH087715Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988117784U priority Critical patent/JPH087715Y2/en
Publication of JPH0238843U publication Critical patent/JPH0238843U/ja
Application granted granted Critical
Publication of JPH087715Y2 publication Critical patent/JPH087715Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案装置の回路構成図、第２図は側
音を説明するための回路図、第３図は回線電流と
送受話利得との関係を表わすグラフである。 １……無線送受信機、２……ＦＭ変調器、３…
…自動レベル制御回路、ＴＣ……電話回線接続部
、４……スピーチネツトワーク。 FIG. 1 is a circuit diagram of the device of the present invention, FIG. 2 is a circuit diagram for explaining sidetone, and FIG. 3 is a graph showing the relationship between line current and transmitting/receiving gain. 1... Wireless transceiver, 2... FM modulator, 3...
... automatic level control circuit, TC ... telephone line connection section, 4 ... speech network.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電話回線に接続装置を介して送受信機が接続さ
れた基地局と、移動可能の送受信機からなる移動
局との間を無線リンクを介して通話できるように
したコードレス電話装置において、上記基地局の
電話回線に接がる上記接続装置と送信機の変調器
におけるリミツタとの間に、上記検波器及び自動
レベル制御増幅器からなり且つ上記電話回線電流
及び音声信号レベルに関係なく通話の明瞭度を一
定にする自動レベル制御回路を設けたことを特徴
とするコードレス電話における音質改善装置。 In a cordless telephone device that enables a call to be made via a wireless link between a base station having a transceiver connected to a telephone line via a connecting device and a mobile station comprising a movable transceiver, the above-mentioned base station Between the connecting device connected to the telephone line and the limiter in the modulator of the transmitter, the detector and the automatic level control amplifier are installed, and the intelligibility of the call is constant regardless of the telephone line current and the voice signal level. 1. A sound quality improvement device for a cordless telephone, characterized in that it is equipped with an automatic level control circuit.
JP1988117784U 1988-09-07 1988-09-07 Cordless telephone device Expired - Lifetime JPH087715Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988117784U JPH087715Y2 (en) 1988-09-07 1988-09-07 Cordless telephone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988117784U JPH087715Y2 (en) 1988-09-07 1988-09-07 Cordless telephone device

Publications (2)

Publication Number Publication Date
JPH0238843U true JPH0238843U (en) 1990-03-15
JPH087715Y2 JPH087715Y2 (en) 1996-03-04

Family

ID=31361545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988117784U Expired - Lifetime JPH087715Y2 (en) 1988-09-07 1988-09-07 Cordless telephone device

Country Status (1)

Country Link
JP (1) JPH087715Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106104A (en) * 1978-02-08 1979-08-20 Toshiba Corp Control signal receiving circuit
JPS6150429A (en) * 1984-08-20 1986-03-12 Toshiba Corp Reception sound volume adjusting system of radiotelephone set

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106104A (en) * 1978-02-08 1979-08-20 Toshiba Corp Control signal receiving circuit
JPS6150429A (en) * 1984-08-20 1986-03-12 Toshiba Corp Reception sound volume adjusting system of radiotelephone set

Also Published As

Publication number Publication date
JPH087715Y2 (en) 1996-03-04

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