JPS6337748A - 電話機用スピ−カフオンの送受話回路 - Google Patents

電話機用スピ−カフオンの送受話回路

Info

Publication number
JPS6337748A
JPS6337748A JP18159786A JP18159786A JPS6337748A JP S6337748 A JPS6337748 A JP S6337748A JP 18159786 A JP18159786 A JP 18159786A JP 18159786 A JP18159786 A JP 18159786A JP S6337748 A JPS6337748 A JP S6337748A
Authority
JP
Japan
Prior art keywords
signal
microphone
transmitting
speaker
filter
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
JP18159786A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0355069B2 (enrdf_load_stackoverflow
Inventor
Michio Nakai
中井　道雄
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.)
JUKI HIROSHIMA SEISAKUSHO KK
Juki Corp
Original Assignee
JUKI HIROSHIMA SEISAKUSHO KK
Juki Corp
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 JUKI HIROSHIMA SEISAKUSHO KK, Juki Corp filed Critical JUKI HIROSHIMA SEISAKUSHO KK
Priority to JP18159786A priority Critical patent/JPS6337748A/ja
Publication of JPS6337748A publication Critical patent/JPS6337748A/ja
Publication of JPH0355069B2 publication Critical patent/JPH0355069B2/ja
Granted legal-status Critical Current

Links

JP18159786A 1986-07-31 1986-07-31 電話機用スピ−カフオンの送受話回路 Granted JPS6337748A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18159786A JPS6337748A (ja) 1986-07-31 1986-07-31 電話機用スピ−カフオンの送受話回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18159786A JPS6337748A (ja) 1986-07-31 1986-07-31 電話機用スピ−カフオンの送受話回路

Publications (2)

Publication Number Publication Date
JPS6337748A true JPS6337748A (ja) 1988-02-18
JPH0355069B2 JPH0355069B2 (enrdf_load_stackoverflow) 1991-08-22

Family

ID=16103591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18159786A Granted JPS6337748A (ja) 1986-07-31 1986-07-31 電話機用スピ−カフオンの送受話回路

Country Status (1)

Country Link
JP (1) JPS6337748A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01272355A (ja) * 1988-04-25 1989-10-31 Matsushita Electric Works Ltd ハンドフリーテレホン
JPH06152724A (ja) * 1992-10-30 1994-05-31 Sony Corp 通話装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100596A (en) * 1980-01-14 1981-08-12 Victor Co Of Japan Ltd Howling suppression control device
JPS583430A (ja) * 1981-06-30 1983-01-10 Nec Corp まわり込信号抑圧装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100596A (en) * 1980-01-14 1981-08-12 Victor Co Of Japan Ltd Howling suppression control device
JPS583430A (ja) * 1981-06-30 1983-01-10 Nec Corp まわり込信号抑圧装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01272355A (ja) * 1988-04-25 1989-10-31 Matsushita Electric Works Ltd ハンドフリーテレホン
JPH06152724A (ja) * 1992-10-30 1994-05-31 Sony Corp 通話装置

Also Published As

Publication number Publication date
JPH0355069B2 (enrdf_load_stackoverflow) 1991-08-22

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