JPS63120451U - - Google Patents

Info

Publication number
JPS63120451U
JPS63120451U JP994487U JP994487U JPS63120451U JP S63120451 U JPS63120451 U JP S63120451U JP 994487 U JP994487 U JP 994487U JP 994487 U JP994487 U JP 994487U JP S63120451 U JPS63120451 U JP S63120451U
Authority
JP
Japan
Prior art keywords
loudspeaker
circuit
telephone device
voice signal
switch
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
JP994487U
Other languages
English (en)
Japanese (ja)
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 JP994487U priority Critical patent/JPS63120451U/ja
Publication of JPS63120451U publication Critical patent/JPS63120451U/ja
Pending legal-status Critical Current

Links

JP994487U 1987-01-28 1987-01-28 Pending JPS63120451U (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP994487U JPS63120451U (xx) 1987-01-28 1987-01-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP994487U JPS63120451U (xx) 1987-01-28 1987-01-28

Publications (1)

Publication Number Publication Date
JPS63120451U true JPS63120451U (xx) 1988-08-04

Family

ID=30795740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP994487U Pending JPS63120451U (xx) 1987-01-28 1987-01-28

Country Status (1)

Country Link
JP (1) JPS63120451U (xx)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240611B2 (xx) * 1973-07-19 1977-10-13
JPS6042970A (ja) * 1983-08-19 1985-03-07 Nec Corp 構内電話交換用の電話機
JPS6170895A (ja) * 1984-09-13 1986-04-11 Nec Corp ボタン電話装置
JPS62214799A (ja) * 1986-03-14 1987-09-21 Iwatsu Electric Co Ltd 電話装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240611B2 (xx) * 1973-07-19 1977-10-13
JPS6042970A (ja) * 1983-08-19 1985-03-07 Nec Corp 構内電話交換用の電話機
JPS6170895A (ja) * 1984-09-13 1986-04-11 Nec Corp ボタン電話装置
JPS62214799A (ja) * 1986-03-14 1987-09-21 Iwatsu Electric Co Ltd 電話装置

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