JPH0413902B2 - - Google Patents

Info

Publication number
JPH0413902B2
JPH0413902B2 JP6817585A JP6817585A JPH0413902B2 JP H0413902 B2 JPH0413902 B2 JP H0413902B2 JP 6817585 A JP6817585 A JP 6817585A JP 6817585 A JP6817585 A JP 6817585A JP H0413902 B2 JPH0413902 B2 JP H0413902B2
Authority
JP
Japan
Prior art keywords
circuit
transmitting
mode
signal
receiving
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.)
Expired
Application number
JP6817585A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61225954A (ja
Inventor
Shoji Makino
Kazuhiko Yamamori
Norio Saneyoshi
Takeshi Horiuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone Corp
Iwasaki Tsushinki KK
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 by Toshiba Corp, Nippon Telegraph and Telephone Corp, Iwasaki Tsushinki KK filed Critical Toshiba Corp
Priority to JP6817585A priority Critical patent/JPS61225954A/ja
Publication of JPS61225954A publication Critical patent/JPS61225954A/ja
Publication of JPH0413902B2 publication Critical patent/JPH0413902B2/ja
Granted legal-status Critical Current

Links

JP6817585A 1985-03-29 1985-03-29 音声スイツチ制御方式 Granted JPS61225954A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6817585A JPS61225954A (ja) 1985-03-29 1985-03-29 音声スイツチ制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6817585A JPS61225954A (ja) 1985-03-29 1985-03-29 音声スイツチ制御方式

Publications (2)

Publication Number Publication Date
JPS61225954A JPS61225954A (ja) 1986-10-07
JPH0413902B2 true JPH0413902B2 (enrdf_load_stackoverflow) 1992-03-11

Family

ID=13366175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6817585A Granted JPS61225954A (ja) 1985-03-29 1985-03-29 音声スイツチ制御方式

Country Status (1)

Country Link
JP (1) JPS61225954A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS61225954A (ja) 1986-10-07

Similar Documents

Publication Publication Date Title
JPS59193660A (ja) 会議電話装置
EP1128646B1 (en) Digital cordless telephone with speakerphone function in a remote handset
JPH04323938A (ja) ハンズフリー回路
US5838787A (en) Method and system for controlling echo return loss using a complementary variolosses in transmit path
JPH0235502B2 (enrdf_load_stackoverflow)
JPH04505541A (ja) 能動帰還抑圧方法
JPH0413902B2 (enrdf_load_stackoverflow)
JPS59230356A (ja) ハンドフリ−通話装置
JP2006270147A (ja) 拡声通話装置、拡声通話システム
JPH1013526A (ja) 音声スイッチの制御回路
JPS6324584B2 (enrdf_load_stackoverflow)
JP2501445B2 (ja) 拡声通話回路
JPH09233002A (ja) 音声スイッチ
JP2601279B2 (ja) 会議電話装置
JPH051168Y2 (enrdf_load_stackoverflow)
JP2603955B2 (ja) 音声会議装置
JP3272158B2 (ja) 音声レベル制御装置
JP2843782B2 (ja) 拡声通話装置
JPH11284550A (ja) 音声入出力装置
JPS602705Y2 (ja) 拡声電話機
JPS6097732A (ja) 反響信号除去装置
JP6775162B2 (ja) 通話装置およびそれを利用した通話システム
JPS6212249A (ja) 音声スイツチ装置
JPH04137954A (ja) ボイススイッチ
JPS59196659A (ja) 会議電話装置

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees
R154 Certificate of patent or utility model (reissue)

Free format text: JAPANESE INTERMEDIATE CODE: R154