JPS6328556B2 - - Google Patents

Info

Publication number
JPS6328556B2
JPS6328556B2 JP20512082A JP20512082A JPS6328556B2 JP S6328556 B2 JPS6328556 B2 JP S6328556B2 JP 20512082 A JP20512082 A JP 20512082A JP 20512082 A JP20512082 A JP 20512082A JP S6328556 B2 JPS6328556 B2 JP S6328556B2
Authority
JP
Japan
Prior art keywords
tel
signal
terminal
relay
control 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
JP20512082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5994988A (ja
Inventor
Junzo Kikuchi
Tomio Nishimura
Ryuzo Sugiura
Toshiro Yoshida
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP20512082A priority Critical patent/JPS5994988A/ja
Publication of JPS5994988A publication Critical patent/JPS5994988A/ja
Publication of JPS6328556B2 publication Critical patent/JPS6328556B2/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)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP20512082A 1982-11-22 1982-11-22 ボタン電話装置における呼出信号制御回路 Granted JPS5994988A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20512082A JPS5994988A (ja) 1982-11-22 1982-11-22 ボタン電話装置における呼出信号制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20512082A JPS5994988A (ja) 1982-11-22 1982-11-22 ボタン電話装置における呼出信号制御回路

Publications (2)

Publication Number Publication Date
JPS5994988A JPS5994988A (ja) 1984-05-31
JPS6328556B2 true JPS6328556B2 (pm) 1988-06-08

Family

ID=16501748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20512082A Granted JPS5994988A (ja) 1982-11-22 1982-11-22 ボタン電話装置における呼出信号制御回路

Country Status (1)

Country Link
JP (1) JPS5994988A (pm)

Also Published As

Publication number Publication date
JPS5994988A (ja) 1984-05-31

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