JPH0390148U - - Google Patents

Info

Publication number
JPH0390148U
JPH0390148U JP15067789U JP15067789U JPH0390148U JP H0390148 U JPH0390148 U JP H0390148U JP 15067789 U JP15067789 U JP 15067789U JP 15067789 U JP15067789 U JP 15067789U JP H0390148 U JPH0390148 U JP H0390148U
Authority
JP
Japan
Prior art keywords
automatic telephone
increasing device
ringing volume
volume increasing
gain
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
JP15067789U
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 JP15067789U priority Critical patent/JPH0390148U/ja
Publication of JPH0390148U publication Critical patent/JPH0390148U/ja
Pending legal-status Critical Current

Links

JP15067789U 1989-12-26 1989-12-26 Pending JPH0390148U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15067789U JPH0390148U (OSRAM) 1989-12-26 1989-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15067789U JPH0390148U (OSRAM) 1989-12-26 1989-12-26

Publications (1)

Publication Number Publication Date
JPH0390148U true JPH0390148U (OSRAM) 1991-09-13

Family

ID=31697017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15067789U Pending JPH0390148U (OSRAM) 1989-12-26 1989-12-26

Country Status (1)

Country Link
JP (1) JPH0390148U (OSRAM)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347648B2 (OSRAM) * 1982-03-17 1988-09-22 Nissan Motor
JPH01117452A (ja) * 1987-10-30 1989-05-10 Meisei Electric Co Ltd 電話装置の着信可聴表示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6347648B2 (OSRAM) * 1982-03-17 1988-09-22 Nissan Motor
JPH01117452A (ja) * 1987-10-30 1989-05-10 Meisei Electric Co Ltd 電話装置の着信可聴表示装置

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