FR786535A - Improvements to pulse emitting devices - Google Patents

Improvements to pulse emitting devices

Info

Publication number
FR786535A
FR786535A FR786535DA FR786535A FR 786535 A FR786535 A FR 786535A FR 786535D A FR786535D A FR 786535DA FR 786535 A FR786535 A FR 786535A
Authority
FR
France
Prior art keywords
emitting devices
pulse emitting
pulse
devices
emitting
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
Other languages
French (fr)
Inventor
Edward Shipton
Oscar Douglas Kennedy
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 filed Critical
Application granted granted Critical
Publication of FR786535A publication Critical patent/FR786535A/en
Expired legal-status Critical Current

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
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Adjustable Resistors (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Brushes (AREA)
FR786535D 1933-12-12 1934-12-12 Improvements to pulse emitting devices Expired FR786535A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34988/33A GB431855A (en) 1933-12-12 1933-12-12 Improvements in and relating to calling impulse transmitters for automatic telephone systems or the like

Publications (1)

Publication Number Publication Date
FR786535A true FR786535A (en) 1935-09-05

Family

ID=10372475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786535D Expired FR786535A (en) 1933-12-12 1934-12-12 Improvements to pulse emitting devices

Country Status (6)

Country Link
US (1) US2134626A (en)
BE (1) BE406783A (en)
DE (1) DE665854C (en)
FR (1) FR786535A (en)
GB (1) GB431855A (en)
NL (1) NL40685C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433836A (en) * 1945-04-04 1948-01-06 Bell Telephone Labor Inc Telephone call transmitter
FR957665A (en) * 1947-12-22 1950-02-23
US2561298A (en) * 1948-01-30 1951-07-17 Vanheerswynghels Joseph Impulse transmitter for automatic telephone systems
DE1034700B (en) * 1956-07-25 1958-07-24 Hermann Ries Dipl Ing Self-dialing device for telephones to generate electricity for the number to be dialed
US3566049A (en) * 1959-06-15 1971-02-23 Becton Dickinson Co Sectional digital selector switch construction
US3089923A (en) * 1959-06-15 1963-05-14 Endevco Corp Sectional digital switch
DE1093419B (en) * 1959-07-01 1960-11-24 Franz Keil Impulse generator for telecommunications, especially telephone systems with mechanical storage of the pulses
NL279134A (en) * 1961-05-31
CN110047679B (en) * 2019-05-15 2020-10-09 上海摩软通讯技术有限公司 Key device and mobile terminal comprising same

Also Published As

Publication number Publication date
NL40685C (en)
DE665854C (en) 1938-10-05
BE406783A (en)
US2134626A (en) 1938-10-25
GB431855A (en) 1935-07-12

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