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CH420277A - Electronic ringing pulse generator, in particular for automatic telephone systems with number presetting - Google Patents

Electronic ringing pulse generator, in particular for automatic telephone systems with number presetting

Info

Publication number
CH420277A
CH420277A CH631363A CH631363A CH420277A CH 420277 A CH420277 A CH 420277A CH 631363 A CH631363 A CH 631363A CH 631363 A CH631363 A CH 631363A CH 420277 A CH420277 A CH 420277A
Authority
CH
Switzerland
Prior art keywords
pulse generator
telephone systems
automatic telephone
ringing pulse
number presetting
Prior art date
Application number
CH631363A
Other languages
German (de)
Inventor
Fredrik Scheel Christian
Original Assignee
Fredrik Scheel Christian
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 Fredrik Scheel Christian filed Critical Fredrik Scheel Christian
Publication of CH420277A publication Critical patent/CH420277A/en

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
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
    • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
    • H04M1/27495—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips implemented by means of discrete electronic components, i.e. neither programmable nor microprocessor-controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Function (AREA)
CH631363A 1962-05-22 1963-05-20 Electronic ringing pulse generator, in particular for automatic telephone systems with number presetting CH420277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO14446862 1962-05-22

Publications (1)

Publication Number Publication Date
CH420277A true CH420277A (en) 1966-09-15

Family

ID=19908668

Family Applications (1)

Application Number Title Priority Date Filing Date
CH631363A CH420277A (en) 1962-05-22 1963-05-20 Electronic ringing pulse generator, in particular for automatic telephone systems with number presetting

Country Status (6)

Country Link
BE (1) BE632620A (en)
CH (1) CH420277A (en)
DE (1) DE1190056B (en)
FR (1) FR1356838A (en)
GB (1) GB1036467A (en)
NL (1) NL293127A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3670111A (en) * 1969-12-02 1972-06-13 Bell Telephone Labor Inc Repertory dialer telephone set with register storage of the digits
US3718771A (en) * 1970-07-07 1973-02-27 Nat Midco Ind Automatic telephone calling apparatus utilizing digital logic devices
AT338880B (en) * 1972-05-29 1977-09-26 Motronic Elektronische Steueru NUMBER TRANSMITTING DEVICE FOR REMOTE COMMUNICATION - IN PARTICULAR TELEPHONE SYSTEMS
US3790721A (en) * 1972-06-13 1974-02-05 H Muhlbauer Automatic dialing device

Also Published As

Publication number Publication date
GB1036467A (en) 1966-07-20
DE1190056B (en) 1965-04-01
BE632620A (en)
NL293127A (en)
FR1356838A (en) 1964-03-27

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