JPH0124474B2 - - Google Patents

Info

Publication number
JPH0124474B2
JPH0124474B2 JP57101841A JP10184182A JPH0124474B2 JP H0124474 B2 JPH0124474 B2 JP H0124474B2 JP 57101841 A JP57101841 A JP 57101841A JP 10184182 A JP10184182 A JP 10184182A JP H0124474 B2 JPH0124474 B2 JP H0124474B2
Authority
JP
Japan
Prior art keywords
line
extension
lamp
speaker
circuit
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
Application number
JP57101841A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58219897A (ja
Inventor
Hidemitsu Iwaya
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10184182A priority Critical patent/JPS58219897A/ja
Publication of JPS58219897A publication Critical patent/JPS58219897A/ja
Publication of JPH0124474B2 publication Critical patent/JPH0124474B2/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)
JP10184182A 1982-06-14 1982-06-14 ボタン電話装置 Granted JPS58219897A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10184182A JPS58219897A (ja) 1982-06-14 1982-06-14 ボタン電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10184182A JPS58219897A (ja) 1982-06-14 1982-06-14 ボタン電話装置

Publications (2)

Publication Number Publication Date
JPS58219897A JPS58219897A (ja) 1983-12-21
JPH0124474B2 true JPH0124474B2 (enrdf_load_stackoverflow) 1989-05-11

Family

ID=14311281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10184182A Granted JPS58219897A (ja) 1982-06-14 1982-06-14 ボタン電話装置

Country Status (1)

Country Link
JP (1) JPS58219897A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5793762A (en) * 1980-12-03 1982-06-10 Taiko Denki Seisakusho:Kk Display controller in button telephone set

Also Published As

Publication number Publication date
JPS58219897A (ja) 1983-12-21

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