JPS5475206A - Carrier interphone having speech indicator - Google Patents

Carrier interphone having speech indicator

Info

Publication number
JPS5475206A
JPS5475206A JP14315977A JP14315977A JPS5475206A JP S5475206 A JPS5475206 A JP S5475206A JP 14315977 A JP14315977 A JP 14315977A JP 14315977 A JP14315977 A JP 14315977A JP S5475206 A JPS5475206 A JP S5475206A
Authority
JP
Japan
Prior art keywords
interphone
carrier
speech indicator
speech
indicator
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.)
Pending
Application number
JP14315977A
Other languages
Japanese (ja)
Inventor
Daishirou Fukumoto
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.)
KONII ONKIYOU KK
Original Assignee
KONII ONKIYOU KK
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 KONII ONKIYOU KK filed Critical KONII ONKIYOU KK
Priority to JP14315977A priority Critical patent/JPS5475206A/en
Publication of JPS5475206A publication Critical patent/JPS5475206A/en
Pending legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP14315977A 1977-11-28 1977-11-28 Carrier interphone having speech indicator Pending JPS5475206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14315977A JPS5475206A (en) 1977-11-28 1977-11-28 Carrier interphone having speech indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14315977A JPS5475206A (en) 1977-11-28 1977-11-28 Carrier interphone having speech indicator

Publications (1)

Publication Number Publication Date
JPS5475206A true JPS5475206A (en) 1979-06-15

Family

ID=15332284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14315977A Pending JPS5475206A (en) 1977-11-28 1977-11-28 Carrier interphone having speech indicator

Country Status (1)

Country Link
JP (1) JPS5475206A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917765A (en) * 1982-07-21 1984-01-30 Matsushita Electric Ind Co Ltd Power line carrier intercom device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49120509A (en) * 1973-03-17 1974-11-18
JPS5115920A (en) * 1974-07-31 1976-02-07 Hitachi Electronics PURESUTOOKUSHIKI MUSENDENWAKI

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49120509A (en) * 1973-03-17 1974-11-18
JPS5115920A (en) * 1974-07-31 1976-02-07 Hitachi Electronics PURESUTOOKUSHIKI MUSENDENWAKI

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917765A (en) * 1982-07-21 1984-01-30 Matsushita Electric Ind Co Ltd Power line carrier intercom device

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