JPS59172838A - ボイススイツチ装置 - Google Patents

ボイススイツチ装置

Info

Publication number
JPS59172838A
JPS59172838A JP4710283A JP4710283A JPS59172838A JP S59172838 A JPS59172838 A JP S59172838A JP 4710283 A JP4710283 A JP 4710283A JP 4710283 A JP4710283 A JP 4710283A JP S59172838 A JPS59172838 A JP S59172838A
Authority
JP
Japan
Prior art keywords
receiving
switch
signal
comparator
transmitting
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
JP4710283A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6337534B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Wakabayashi
若林　寛
Yoshihiro Kawada
川田　義広
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP4710283A priority Critical patent/JPS59172838A/ja
Publication of JPS59172838A publication Critical patent/JPS59172838A/ja
Publication of JPS6337534B2 publication Critical patent/JPS6337534B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP4710283A 1983-03-23 1983-03-23 ボイススイツチ装置 Granted JPS59172838A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4710283A JPS59172838A (ja) 1983-03-23 1983-03-23 ボイススイツチ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4710283A JPS59172838A (ja) 1983-03-23 1983-03-23 ボイススイツチ装置

Publications (2)

Publication Number Publication Date
JPS59172838A true JPS59172838A (ja) 1984-09-29
JPS6337534B2 JPS6337534B2 (enrdf_load_stackoverflow) 1988-07-26

Family

ID=12765812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4710283A Granted JPS59172838A (ja) 1983-03-23 1983-03-23 ボイススイツチ装置

Country Status (1)

Country Link
JP (1) JPS59172838A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61161856A (ja) * 1985-01-11 1986-07-22 Matsushita Electric Ind Co Ltd 拡声電話装置
JPH0284455U (enrdf_load_stackoverflow) * 1988-12-19 1990-06-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61161856A (ja) * 1985-01-11 1986-07-22 Matsushita Electric Ind Co Ltd 拡声電話装置
JPH0284455U (enrdf_load_stackoverflow) * 1988-12-19 1990-06-29

Also Published As

Publication number Publication date
JPS6337534B2 (enrdf_load_stackoverflow) 1988-07-26

Similar Documents

Publication Publication Date Title
CA2138698A1 (en) Telephone Set with Background Noise Suppression Function
JP2606171B2 (ja) 受話音量自動可変回路
US5751822A (en) Ambient noise suppression circuit
EP1128646B1 (en) Digital cordless telephone with speakerphone function in a remote handset
JPH08293820A (ja) 音響エコー抑制回路
JPS59172838A (ja) ボイススイツチ装置
US20040179676A1 (en) Speech communication apparatus
US5396550A (en) Radio and land-line telephones with hands-free operation
US7233659B1 (en) Message playback concurrent with speakerphone operation
US7224794B1 (en) Transmitting message playback concurrent with speakerphone operation
JPS6324584B2 (enrdf_load_stackoverflow)
JP3069572B2 (ja) 拡声電話機
KR100200866B1 (ko) 통화상대방의묵음상태를방지하는반이중스피커폰장치
JPS61195048A (ja) 拡声電話機の音声スイツチ回路
JP2829175B2 (ja) 通話端末機
JPH09247245A (ja) 電話機
JPH07131541A (ja) ボイススイッチ
KR20020069718A (ko) 무음 구간 발생에 의한 음성 끊김 저감 방법
JPS6212249A (ja) 音声スイツチ装置
JPH01258537A (ja) ハンズフリー回路
JPS612463A (ja) 拡声通話方式
JPS59837Y2 (ja) 音声スイツチ装置
JPH0311985Y2 (enrdf_load_stackoverflow)
JP2974427B2 (ja) 音声通信システムとその音声通信装置
JPH0556132A (ja) 拡声電話装置回路