JPH0230235B2 - - Google Patents

Info

Publication number
JPH0230235B2
JPH0230235B2 JP56005576A JP557681A JPH0230235B2 JP H0230235 B2 JPH0230235 B2 JP H0230235B2 JP 56005576 A JP56005576 A JP 56005576A JP 557681 A JP557681 A JP 557681A JP H0230235 B2 JPH0230235 B2 JP H0230235B2
Authority
JP
Japan
Prior art keywords
destination
display
circuit
telephone
button
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
JP56005576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57119544A (en
Inventor
Shigeo Yamazaki
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP557681A priority Critical patent/JPS57119544A/ja
Publication of JPS57119544A publication Critical patent/JPS57119544A/ja
Publication of JPH0230235B2 publication Critical patent/JPH0230235B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP557681A 1981-01-17 1981-01-17 Key telephone set with destination display Granted JPS57119544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP557681A JPS57119544A (en) 1981-01-17 1981-01-17 Key telephone set with destination display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP557681A JPS57119544A (en) 1981-01-17 1981-01-17 Key telephone set with destination display

Publications (2)

Publication Number Publication Date
JPS57119544A JPS57119544A (en) 1982-07-26
JPH0230235B2 true JPH0230235B2 (ko) 1990-07-05

Family

ID=11615042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP557681A Granted JPS57119544A (en) 1981-01-17 1981-01-17 Key telephone set with destination display

Country Status (1)

Country Link
JP (1) JPS57119544A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01147994A (ja) * 1987-12-04 1989-06-09 Tamura Electric Works Ltd ボタン電話装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127757A (en) * 1979-03-26 1980-10-02 Taiko Denki Seisakusho:Kk Incoming system in night and so on

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55127757A (en) * 1979-03-26 1980-10-02 Taiko Denki Seisakusho:Kk Incoming system in night and so on

Also Published As

Publication number Publication date
JPS57119544A (en) 1982-07-26

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