JPS6259947B2 - - Google Patents

Info

Publication number
JPS6259947B2
JPS6259947B2 JP11136679A JP11136679A JPS6259947B2 JP S6259947 B2 JPS6259947 B2 JP S6259947B2 JP 11136679 A JP11136679 A JP 11136679A JP 11136679 A JP11136679 A JP 11136679A JP S6259947 B2 JPS6259947 B2 JP S6259947B2
Authority
JP
Japan
Prior art keywords
telephone
winding
circuit
transformer
signal source
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
JP11136679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5636256A (en
Inventor
Kunio Nagashima
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 JP11136679A priority Critical patent/JPS5636256A/ja
Publication of JPS5636256A publication Critical patent/JPS5636256A/ja
Publication of JPS6259947B2 publication Critical patent/JPS6259947B2/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)
JP11136679A 1979-08-31 1979-08-31 Tone ringer transmission circuit Granted JPS5636256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11136679A JPS5636256A (en) 1979-08-31 1979-08-31 Tone ringer transmission circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11136679A JPS5636256A (en) 1979-08-31 1979-08-31 Tone ringer transmission circuit

Publications (2)

Publication Number Publication Date
JPS5636256A JPS5636256A (en) 1981-04-09
JPS6259947B2 true JPS6259947B2 (enrdf_load_stackoverflow) 1987-12-14

Family

ID=14559364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11136679A Granted JPS5636256A (en) 1979-08-31 1979-08-31 Tone ringer transmission circuit

Country Status (1)

Country Link
JP (1) JPS5636256A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5636256A (en) 1981-04-09

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