JPH0334710B2 - - Google Patents

Info

Publication number
JPH0334710B2
JPH0334710B2 JP59037572A JP3757284A JPH0334710B2 JP H0334710 B2 JPH0334710 B2 JP H0334710B2 JP 59037572 A JP59037572 A JP 59037572A JP 3757284 A JP3757284 A JP 3757284A JP H0334710 B2 JPH0334710 B2 JP H0334710B2
Authority
JP
Japan
Prior art keywords
circuit
loss
transmitting
receiving
reception
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
JP59037572A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60182250A (ja
Inventor
Kazuhiko Yamamori
Takeshi Horiuchi
Takashi Saeki
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone 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 Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP3757284A priority Critical patent/JPS60182250A/ja
Publication of JPS60182250A publication Critical patent/JPS60182250A/ja
Publication of JPH0334710B2 publication Critical patent/JPH0334710B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP3757284A 1984-02-29 1984-02-29 拡声電話装置の音声スイツチ回路 Granted JPS60182250A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3757284A JPS60182250A (ja) 1984-02-29 1984-02-29 拡声電話装置の音声スイツチ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3757284A JPS60182250A (ja) 1984-02-29 1984-02-29 拡声電話装置の音声スイツチ回路

Publications (2)

Publication Number Publication Date
JPS60182250A JPS60182250A (ja) 1985-09-17
JPH0334710B2 true JPH0334710B2 (enrdf_load_stackoverflow) 1991-05-23

Family

ID=12501240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3757284A Granted JPS60182250A (ja) 1984-02-29 1984-02-29 拡声電話装置の音声スイツチ回路

Country Status (1)

Country Link
JP (1) JPS60182250A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748771B2 (ja) * 1988-03-11 1995-05-24 シャープ株式会社 拡声電話機
JP2746963B2 (ja) * 1988-12-19 1998-05-06 株式会社東芝 拡声電話装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU839335A1 (ru) * 1978-05-04 2000-03-20 Волжское объединение по производству легковых автомобилей Торцовое уплотнение роторно-поршневого двс
JPS5856561A (ja) * 1981-09-30 1983-04-04 Nec Corp 拡声電話機

Also Published As

Publication number Publication date
JPS60182250A (ja) 1985-09-17

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