JPH0731658Y2 - 電話交換機 - Google Patents

電話交換機

Info

Publication number
JPH0731658Y2
JPH0731658Y2 JP9900588U JP9900588U JPH0731658Y2 JP H0731658 Y2 JPH0731658 Y2 JP H0731658Y2 JP 9900588 U JP9900588 U JP 9900588U JP 9900588 U JP9900588 U JP 9900588U JP H0731658 Y2 JPH0731658 Y2 JP H0731658Y2
Authority
JP
Japan
Prior art keywords
call
intercom
line
extension
signal
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.)
Expired - Lifetime
Application number
JP9900588U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0223181U (bg
Inventor
昭彦 濱田
章三 田中
義則 鈴木
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP9900588U priority Critical patent/JPH0731658Y2/ja
Publication of JPH0223181U publication Critical patent/JPH0223181U/ja
Application granted granted Critical
Publication of JPH0731658Y2 publication Critical patent/JPH0731658Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9900588U 1988-07-26 1988-07-26 電話交換機 Expired - Lifetime JPH0731658Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9900588U JPH0731658Y2 (ja) 1988-07-26 1988-07-26 電話交換機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9900588U JPH0731658Y2 (ja) 1988-07-26 1988-07-26 電話交換機

Publications (2)

Publication Number Publication Date
JPH0223181U JPH0223181U (bg) 1990-02-15
JPH0731658Y2 true JPH0731658Y2 (ja) 1995-07-19

Family

ID=31325769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9900588U Expired - Lifetime JPH0731658Y2 (ja) 1988-07-26 1988-07-26 電話交換機

Country Status (1)

Country Link
JP (1) JPH0731658Y2 (bg)

Also Published As

Publication number Publication date
JPH0223181U (bg) 1990-02-15

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