JPH037310B2 - - Google Patents

Info

Publication number
JPH037310B2
JPH037310B2 JP58175345A JP17534583A JPH037310B2 JP H037310 B2 JPH037310 B2 JP H037310B2 JP 58175345 A JP58175345 A JP 58175345A JP 17534583 A JP17534583 A JP 17534583A JP H037310 B2 JPH037310 B2 JP H037310B2
Authority
JP
Japan
Prior art keywords
receiving
circuit
detection
switch
signal
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
JP58175345A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6066561A (ja
Inventor
Tetsuo Hiraga
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 JP58175345A priority Critical patent/JPS6066561A/ja
Publication of JPS6066561A publication Critical patent/JPS6066561A/ja
Publication of JPH037310B2 publication Critical patent/JPH037310B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-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)
  • Transceivers (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP58175345A 1983-09-22 1983-09-22 音声スイッチ回路 Granted JPS6066561A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58175345A JPS6066561A (ja) 1983-09-22 1983-09-22 音声スイッチ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58175345A JPS6066561A (ja) 1983-09-22 1983-09-22 音声スイッチ回路

Publications (2)

Publication Number Publication Date
JPS6066561A JPS6066561A (ja) 1985-04-16
JPH037310B2 true JPH037310B2 (enrdf_load_stackoverflow) 1991-02-01

Family

ID=15994438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58175345A Granted JPS6066561A (ja) 1983-09-22 1983-09-22 音声スイッチ回路

Country Status (1)

Country Link
JP (1) JPS6066561A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5368007A (en) * 1976-11-30 1978-06-17 Hitachi Ltd B board k-charging system
JPS53114305A (en) * 1977-03-16 1978-10-05 Nitsuko Ltd Loudspeaking telephone set

Also Published As

Publication number Publication date
JPS6066561A (ja) 1985-04-16

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