JPS5188104A - - Google Patents

Info

Publication number
JPS5188104A
JPS5188104A JP50013888A JP1388875A JPS5188104A JP S5188104 A JPS5188104 A JP S5188104A JP 50013888 A JP50013888 A JP 50013888A JP 1388875 A JP1388875 A JP 1388875A JP S5188104 A JPS5188104 A JP S5188104A
Authority
JP
Japan
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
JP50013888A
Other languages
Japanese (ja)
Other versions
JPS5444522B2 (en:Method
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 filed Critical
Priority to JP1388875A priority Critical patent/JPS5444522B2/ja
Priority to US05/652,847 priority patent/US4051325A/en
Priority to CA244,584A priority patent/CA1048186A/en
Publication of JPS5188104A publication Critical patent/JPS5188104A/ja
Publication of JPS5444522B2 publication Critical patent/JPS5444522B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP1388875A 1975-01-31 1975-01-31 Expired JPS5444522B2 (en:Method)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1388875A JPS5444522B2 (en:Method) 1975-01-31 1975-01-31
US05/652,847 US4051325A (en) 1975-01-31 1976-01-27 Speech intercommunication system
CA244,584A CA1048186A (en) 1975-01-31 1976-01-30 Speech intercommunication systems particularly for hands-free loudspeaker telephones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1388875A JPS5444522B2 (en:Method) 1975-01-31 1975-01-31

Publications (2)

Publication Number Publication Date
JPS5188104A true JPS5188104A (en:Method) 1976-08-02
JPS5444522B2 JPS5444522B2 (en:Method) 1979-12-26

Family

ID=11845726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1388875A Expired JPS5444522B2 (en:Method) 1975-01-31 1975-01-31

Country Status (1)

Country Link
JP (1) JPS5444522B2 (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797262A (en) * 1980-12-09 1982-06-16 Nippon Telegr & Teleph Corp <Ntt> Loud speaker telephone set system
JPS6041851A (ja) * 1983-08-18 1985-03-05 Matsushita Electric Ind Co Ltd 拡声電話装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142404A (en) * 1974-10-08 1976-04-10 Hiroshi Ono Jikonaino waseiionoryoshita jidokirikaetsuwasochi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142404A (en) * 1974-10-08 1976-04-10 Hiroshi Ono Jikonaino waseiionoryoshita jidokirikaetsuwasochi

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797262A (en) * 1980-12-09 1982-06-16 Nippon Telegr & Teleph Corp <Ntt> Loud speaker telephone set system
JPS6041851A (ja) * 1983-08-18 1985-03-05 Matsushita Electric Ind Co Ltd 拡声電話装置

Also Published As

Publication number Publication date
JPS5444522B2 (en:Method) 1979-12-26

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