JPH0218617Y2 - - Google Patents

Info

Publication number
JPH0218617Y2
JPH0218617Y2 JP1981055591U JP5559181U JPH0218617Y2 JP H0218617 Y2 JPH0218617 Y2 JP H0218617Y2 JP 1981055591 U JP1981055591 U JP 1981055591U JP 5559181 U JP5559181 U JP 5559181U JP H0218617 Y2 JPH0218617 Y2 JP H0218617Y2
Authority
JP
Japan
Prior art keywords
receiving
circuit
transmitting
call
variable loss
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
JP1981055591U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57168348U (de
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 JP1981055591U priority Critical patent/JPH0218617Y2/ja
Publication of JPS57168348U publication Critical patent/JPS57168348U/ja
Application granted granted Critical
Publication of JPH0218617Y2 publication Critical patent/JPH0218617Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Transceivers (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1981055591U 1981-04-16 1981-04-16 Expired JPH0218617Y2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981055591U JPH0218617Y2 (de) 1981-04-16 1981-04-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981055591U JPH0218617Y2 (de) 1981-04-16 1981-04-16

Publications (2)

Publication Number Publication Date
JPS57168348U JPS57168348U (de) 1982-10-23
JPH0218617Y2 true JPH0218617Y2 (de) 1990-05-24

Family

ID=29852144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981055591U Expired JPH0218617Y2 (de) 1981-04-16 1981-04-16

Country Status (1)

Country Link
JP (1) JPH0218617Y2 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334965A (en) * 1976-09-10 1978-03-31 Koomi Kk Red worcester sauces
JPS5412283A (en) * 1977-06-28 1979-01-29 Fujitsu Ltd Production of laser diodes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334965A (en) * 1976-09-10 1978-03-31 Koomi Kk Red worcester sauces
JPS5412283A (en) * 1977-06-28 1979-01-29 Fujitsu Ltd Production of laser diodes

Also Published As

Publication number Publication date
JPS57168348U (de) 1982-10-23

Similar Documents

Publication Publication Date Title
US3751602A (en) Loudspeaking telephone
JPH0218617Y2 (de)
IE40708B1 (en) Loudspeaking communication terminal apparatus and method of oeration
JPS622499B2 (de)
JPH0649001Y2 (ja) 電話装置
JPS63272254A (ja) 電話装置
JPH0311985Y2 (de)
JPS601960A (ja) ハンズフリ−電話機
JPH0311983Y2 (de)
JP2927130B2 (ja) 音声回路
JP2550563B2 (ja) 電話機の通話回路
JPH0311984Y2 (de)
JPH0352051Y2 (de)
JPS5856561A (ja) 拡声電話機
JPS6167357A (ja) ハンドフリ−電話装置
JPS59837Y2 (ja) 音声スイツチ装置
JPH0556132A (ja) 拡声電話装置回路
JPS61218254A (ja) 電話端末器の受話音量調節制御方式
JPS604058U (ja) 拡声電話装置
JPH01141451A (ja) 電話機
JPS61287362A (ja) ハウリング防止回路
JPS59152762A (ja) 打合せ電話回路
JPS5856562A (ja) 音声スイツチ回路
JPH02134051A (ja) 拡声電話装置
JPS59126331A (ja) 音声スイツチ回路