JPS544002A - Electronic type key telephone set - Google Patents

Electronic type key telephone set

Info

Publication number
JPS544002A
JPS544002A JP6907577A JP6907577A JPS544002A JP S544002 A JPS544002 A JP S544002A JP 6907577 A JP6907577 A JP 6907577A JP 6907577 A JP6907577 A JP 6907577A JP S544002 A JPS544002 A JP S544002A
Authority
JP
Japan
Prior art keywords
telephone set
electronic type
key telephone
type key
main line
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
JP6907577A
Other languages
English (en)
Inventor
Toshio Kita
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6907577A priority Critical patent/JPS544002A/ja
Publication of JPS544002A publication Critical patent/JPS544002A/ja
Pending 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)
JP6907577A 1977-06-10 1977-06-10 Electronic type key telephone set Pending JPS544002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6907577A JPS544002A (en) 1977-06-10 1977-06-10 Electronic type key telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6907577A JPS544002A (en) 1977-06-10 1977-06-10 Electronic type key telephone set

Publications (1)

Publication Number Publication Date
JPS544002A true JPS544002A (en) 1979-01-12

Family

ID=13392089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6907577A Pending JPS544002A (en) 1977-06-10 1977-06-10 Electronic type key telephone set

Country Status (1)

Country Link
JP (1) JPS544002A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259084A (ja) * 1984-06-05 1985-12-21 Meisei Electric Co Ltd 回線選択方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259084A (ja) * 1984-06-05 1985-12-21 Meisei Electric Co Ltd 回線選択方式

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