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 (cs
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 (cs)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1388875A JPS5444522B2 (cs) 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 (cs) 1975-01-31 1975-01-31

Publications (2)

Publication Number Publication Date
JPS5188104A true JPS5188104A (cs) 1976-08-02
JPS5444522B2 JPS5444522B2 (cs) 1979-12-26

Family

ID=11845726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1388875A Expired JPS5444522B2 (cs) 1975-01-31 1975-01-31

Country Status (1)

Country Link
JP (1) JPS5444522B2 (cs)

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 (cs) 1979-12-26

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