JPH0533579B2 - - Google Patents

Info

Publication number
JPH0533579B2
JPH0533579B2 JP60003539A JP353985A JPH0533579B2 JP H0533579 B2 JPH0533579 B2 JP H0533579B2 JP 60003539 A JP60003539 A JP 60003539A JP 353985 A JP353985 A JP 353985A JP H0533579 B2 JPH0533579 B2 JP H0533579B2
Authority
JP
Japan
Prior art keywords
signal
circuit
state
transmitting
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 - Lifetime
Application number
JP60003539A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61161856A (ja
Inventor
Ryoji Suzuki
Kyotaka Nagai
Akyoshi Yamada
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP353985A priority Critical patent/JPS61161856A/ja
Publication of JPS61161856A publication Critical patent/JPS61161856A/ja
Publication of JPH0533579B2 publication Critical patent/JPH0533579B2/ja
Granted legal-status Critical Current

Links

JP353985A 1985-01-11 1985-01-11 拡声電話装置 Granted JPS61161856A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP353985A JPS61161856A (ja) 1985-01-11 1985-01-11 拡声電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP353985A JPS61161856A (ja) 1985-01-11 1985-01-11 拡声電話装置

Publications (2)

Publication Number Publication Date
JPS61161856A JPS61161856A (ja) 1986-07-22
JPH0533579B2 true JPH0533579B2 (enrdf_load_stackoverflow) 1993-05-19

Family

ID=11560212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP353985A Granted JPS61161856A (ja) 1985-01-11 1985-01-11 拡声電話装置

Country Status (1)

Country Link
JP (1) JPS61161856A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412649A (en) * 1987-07-06 1989-01-17 Nec Corp Variable gain circuit for loudspeaker telephone set
JPH06216986A (ja) * 1993-01-19 1994-08-05 Mitsubishi Electric Corp ハンズフリー通話回路
JP5076974B2 (ja) * 2008-03-03 2012-11-21 ヤマハ株式会社 音処理装置およびプログラム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5894257A (ja) * 1981-11-30 1983-06-04 Fujitsu Ltd 音声スイツチ回路
JPS58162157A (ja) * 1982-03-23 1983-09-26 Nec Corp 拡声電話機
JPS59172838A (ja) * 1983-03-23 1984-09-29 Iwatsu Electric Co Ltd ボイススイツチ装置

Also Published As

Publication number Publication date
JPS61161856A (ja) 1986-07-22

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