SE313347B - - Google Patents

Info

Publication number
SE313347B
SE313347B SE901/65A SE90165A SE313347B SE 313347 B SE313347 B SE 313347B SE 901/65 A SE901/65 A SE 901/65A SE 90165 A SE90165 A SE 90165A SE 313347 B SE313347 B SE 313347B
Authority
SE
Sweden
Prior art keywords
relay
transistor
capacitors
capacitor
resistances
Prior art date
Application number
SE901/65A
Other languages
English (en)
Inventor
Wee M De
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE313347B publication Critical patent/SE313347B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE901/65A 1964-01-24 1965-01-22 SE313347B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6400598A NL6400598A (ro) 1964-01-24 1964-01-24

Publications (1)

Publication Number Publication Date
SE313347B true SE313347B (ro) 1969-08-11

Family

ID=19789111

Family Applications (1)

Application Number Title Priority Date Filing Date
SE901/65A SE313347B (ro) 1964-01-24 1965-01-22

Country Status (7)

Country Link
JP (1) JPS4210341B1 (ro)
BE (1) BE658794A (ro)
DE (2) DE1286139B (ro)
FR (1) FR1422642A (ro)
GB (1) GB1044114A (ro)
NL (1) NL6400598A (ro)
SE (1) SE313347B (ro)

Also Published As

Publication number Publication date
GB1044114A (en) 1966-09-28
NL6400598A (ro) 1965-07-26
DE1286139B (de) 1969-01-02
BE658794A (ro) 1965-07-26
FR1422642A (fr) 1965-12-24
JPS4210341B1 (ro) 1967-06-03
DE1284474B (de) 1968-12-05

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