JPH055420B2 - - Google Patents

Info

Publication number
JPH055420B2
JPH055420B2 JP60152052A JP15205285A JPH055420B2 JP H055420 B2 JPH055420 B2 JP H055420B2 JP 60152052 A JP60152052 A JP 60152052A JP 15205285 A JP15205285 A JP 15205285A JP H055420 B2 JPH055420 B2 JP H055420B2
Authority
JP
Japan
Prior art keywords
ratio
signal
noise
transmitting
signal level
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
JP60152052A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6212249A (ja
Inventor
Sanemori Sera
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.)
Toa Corp
Original Assignee
Toa Electric 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 Toa Electric Co Ltd filed Critical Toa Electric Co Ltd
Priority to JP15205285A priority Critical patent/JPS6212249A/ja
Publication of JPS6212249A publication Critical patent/JPS6212249A/ja
Publication of JPH055420B2 publication Critical patent/JPH055420B2/ja
Granted legal-status Critical Current

Links

JP15205285A 1985-07-09 1985-07-09 音声スイツチ装置 Granted JPS6212249A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15205285A JPS6212249A (ja) 1985-07-09 1985-07-09 音声スイツチ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15205285A JPS6212249A (ja) 1985-07-09 1985-07-09 音声スイツチ装置

Publications (2)

Publication Number Publication Date
JPS6212249A JPS6212249A (ja) 1987-01-21
JPH055420B2 true JPH055420B2 (zh) 1993-01-22

Family

ID=15531994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15205285A Granted JPS6212249A (ja) 1985-07-09 1985-07-09 音声スイツチ装置

Country Status (1)

Country Link
JP (1) JPS6212249A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9000701D0 (en) * 1990-01-12 1990-03-14 Unilever Plc Non-dairy creams
JPH06216986A (ja) * 1993-01-19 1994-08-05 Mitsubishi Electric Corp ハンズフリー通話回路
JP4351137B2 (ja) * 2004-10-13 2009-10-28 ティーオーエー株式会社 通話装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152262A (en) * 1981-03-13 1982-09-20 Nec Corp Audio switch circuit
JPS57159158A (en) * 1981-03-25 1982-10-01 Fujitsu Ltd Audio switch circuit
JPS59230356A (ja) * 1983-06-14 1984-12-24 Matsushita Electric Ind Co Ltd ハンドフリ−通話装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152262A (en) * 1981-03-13 1982-09-20 Nec Corp Audio switch circuit
JPS57159158A (en) * 1981-03-25 1982-10-01 Fujitsu Ltd Audio switch circuit
JPS59230356A (ja) * 1983-06-14 1984-12-24 Matsushita Electric Ind Co Ltd ハンドフリ−通話装置

Also Published As

Publication number Publication date
JPS6212249A (ja) 1987-01-21

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