JPH0444787U - - Google Patents

Info

Publication number
JPH0444787U
JPH0444787U JP8649590U JP8649590U JPH0444787U JP H0444787 U JPH0444787 U JP H0444787U JP 8649590 U JP8649590 U JP 8649590U JP 8649590 U JP8649590 U JP 8649590U JP H0444787 U JPH0444787 U JP H0444787U
Authority
JP
Japan
Prior art keywords
telephone
line
switch
call
sound source
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
JP8649590U
Other languages
English (en)
Japanese (ja)
Other versions
JP2518651Y2 (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 JP8649590U priority Critical patent/JP2518651Y2/ja
Publication of JPH0444787U publication Critical patent/JPH0444787U/ja
Application granted granted Critical
Publication of JP2518651Y2 publication Critical patent/JP2518651Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP8649590U 1990-08-17 1990-08-17 通話中の単独電話機への着信音送出回路 Expired - Lifetime JP2518651Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8649590U JP2518651Y2 (ja) 1990-08-17 1990-08-17 通話中の単独電話機への着信音送出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8649590U JP2518651Y2 (ja) 1990-08-17 1990-08-17 通話中の単独電話機への着信音送出回路

Publications (2)

Publication Number Publication Date
JPH0444787U true JPH0444787U (enEXAMPLES) 1992-04-16
JP2518651Y2 JP2518651Y2 (ja) 1996-11-27

Family

ID=31818192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8649590U Expired - Lifetime JP2518651Y2 (ja) 1990-08-17 1990-08-17 通話中の単独電話機への着信音送出回路

Country Status (1)

Country Link
JP (1) JP2518651Y2 (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63125090U (enEXAMPLES) * 1987-02-06 1988-08-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63125090U (enEXAMPLES) * 1987-02-06 1988-08-15

Also Published As

Publication number Publication date
JP2518651Y2 (ja) 1996-11-27

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