JPS5469307A - Loudspeaking telephone set - Google Patents

Loudspeaking telephone set

Info

Publication number
JPS5469307A
JPS5469307A JP13706777A JP13706777A JPS5469307A JP S5469307 A JPS5469307 A JP S5469307A JP 13706777 A JP13706777 A JP 13706777A JP 13706777 A JP13706777 A JP 13706777A JP S5469307 A JPS5469307 A JP S5469307A
Authority
JP
Japan
Prior art keywords
telephone set
loudspeaking telephone
loudspeaking
telephone
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.)
Granted
Application number
JP13706777A
Other languages
Japanese (ja)
Other versions
JPS5824063B2 (en
Inventor
Shiyouichi Satou
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.)
Toa Corp
Original Assignee
Toa Electric 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 Toa Electric Co Ltd filed Critical Toa Electric Co Ltd
Priority to JP52137067A priority Critical patent/JPS5824063B2/en
Publication of JPS5469307A publication Critical patent/JPS5469307A/en
Publication of JPS5824063B2 publication Critical patent/JPS5824063B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP52137067A 1977-11-14 1977-11-14 public address telephone Expired JPS5824063B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52137067A JPS5824063B2 (en) 1977-11-14 1977-11-14 public address telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52137067A JPS5824063B2 (en) 1977-11-14 1977-11-14 public address telephone

Publications (2)

Publication Number Publication Date
JPS5469307A true JPS5469307A (en) 1979-06-04
JPS5824063B2 JPS5824063B2 (en) 1983-05-19

Family

ID=15190114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52137067A Expired JPS5824063B2 (en) 1977-11-14 1977-11-14 public address telephone

Country Status (1)

Country Link
JP (1) JPS5824063B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776938A (en) * 1980-10-30 1982-05-14 Toa Tokushu Denki Kk Interphone
JPS62154839A (en) * 1985-12-26 1987-07-09 Toa Tokushu Denki Kk Conference telephone equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866310A (en) * 1971-12-08 1973-09-11
JPS5019304A (en) * 1973-06-14 1975-02-28

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4866310A (en) * 1971-12-08 1973-09-11
JPS5019304A (en) * 1973-06-14 1975-02-28

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776938A (en) * 1980-10-30 1982-05-14 Toa Tokushu Denki Kk Interphone
JPH0124391B2 (en) * 1980-10-30 1989-05-11 Toa Electric Co Ltd
JPS62154839A (en) * 1985-12-26 1987-07-09 Toa Tokushu Denki Kk Conference telephone equipment

Also Published As

Publication number Publication date
JPS5824063B2 (en) 1983-05-19

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