GB431855A - Improvements in and relating to calling impulse transmitters for automatic telephone systems or the like - Google Patents

Improvements in and relating to calling impulse transmitters for automatic telephone systems or the like

Info

Publication number
GB431855A
GB431855A GB34988/33A GB3498833A GB431855A GB 431855 A GB431855 A GB 431855A GB 34988/33 A GB34988/33 A GB 34988/33A GB 3498833 A GB3498833 A GB 3498833A GB 431855 A GB431855 A GB 431855A
Authority
GB
United Kingdom
Prior art keywords
discs
impulse
thumb
disc
teeth
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
GB34988/33A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority to NL40685D priority Critical patent/NL40685C/xx
Priority to BE406783D priority patent/BE406783A/xx
Application filed by Individual filed Critical Individual
Priority to GB34988/33A priority patent/GB431855A/en
Priority to FR786535D priority patent/FR786535A/fr
Priority to US757245A priority patent/US2134626A/en
Priority to DES116427D priority patent/DE665854C/de
Priority to US18985A priority patent/US2133475A/en
Publication of GB431855A publication Critical patent/GB431855A/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)
GB34988/33A 1933-12-12 1933-12-12 Improvements in and relating to calling impulse transmitters for automatic telephone systems or the like Expired GB431855A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL40685D NL40685C (enrdf_load_stackoverflow) 1933-12-12
BE406783D BE406783A (enrdf_load_stackoverflow) 1933-12-12
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
FR786535D FR786535A (fr) 1933-12-12 1934-12-12 Perfectionnements aux dispositifs émetteurs d'impulsions
US757245A US2134626A (en) 1933-12-12 1934-12-12 Impulse transmitter
DES116427D DE665854C (de) 1933-12-12 1934-12-13 Selbsttaetiger Stromstossgeber
US18985A US2133475A (en) 1933-12-12 1935-04-30 Call transmitter

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
GB431855A true GB431855A (en) 1935-07-12

Family

ID=10372475

Family Applications (1)

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

Country Status (6)

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

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 (enrdf_load_stackoverflow) * 1947-12-22 1950-02-23
US2561298A (en) * 1948-01-30 1951-07-17 Vanheerswynghels Joseph Impulse transmitter for automatic telephone systems
DE1034700B (de) * 1956-07-25 1958-07-24 Hermann Ries Dipl Ing Selbstwaehleinrichtung fuer Telefonapparate zur Stromstossgabe fuer die zu waehlende Nummer
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 (de) * 1959-07-01 1960-11-24 Franz Keil Stromstossgeber fuer Fernmelde-, insbesondere Fernsprechanlagen mit mechanischer Speicherung der Impulse
NL279134A (enrdf_load_stackoverflow) * 1961-05-31
CN110047679B (zh) * 2019-05-15 2020-10-09 上海摩软通讯技术有限公司 按键装置及包含其的移动终端

Also Published As

Publication number Publication date
US2134626A (en) 1938-10-25
DE665854C (de) 1938-10-05
NL40685C (enrdf_load_stackoverflow)
BE406783A (enrdf_load_stackoverflow)
FR786535A (fr) 1935-09-05

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