GB397456A - Improvements in or relating to a device for instantaneously effecting a connection in automatic telephone installations - Google Patents

Improvements in or relating to a device for instantaneously effecting a connection in automatic telephone installations

Info

Publication number
GB397456A
GB397456A GB32052/31A GB3205231A GB397456A GB 397456 A GB397456 A GB 397456A GB 32052/31 A GB32052/31 A GB 32052/31A GB 3205231 A GB3205231 A GB 3205231A GB 397456 A GB397456 A GB 397456A
Authority
GB
United Kingdom
Prior art keywords
sectors
disc
shaft
impulse
rock
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
GB32052/31A
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.)
OTTO DREWS
Original Assignee
OTTO DREWS
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 OTTO DREWS filed Critical OTTO DREWS
Publication of GB397456A publication Critical patent/GB397456A/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
    • H04M1/274—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromechanical Clocks (AREA)
GB32052/31A 1931-07-15 1931-11-19 Improvements in or relating to a device for instantaneously effecting a connection in automatic telephone installations Expired GB397456A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR397456X 1931-07-15

Publications (1)

Publication Number Publication Date
GB397456A true GB397456A (en) 1933-08-24

Family

ID=8896542

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32052/31A Expired GB397456A (en) 1931-07-15 1931-11-19 Improvements in or relating to a device for instantaneously effecting a connection in automatic telephone installations

Country Status (5)

Country Link
US (1) US1965146A (enrdf_load_stackoverflow)
BE (1) BE389833A (enrdf_load_stackoverflow)
CH (1) CH163713A (enrdf_load_stackoverflow)
FR (1) FR742208A (enrdf_load_stackoverflow)
GB (1) GB397456A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576189A (en) * 1947-12-22 1951-11-27 Ile Des Brevets O B Soc Civ Automatic multiple dialing apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891114A (en) * 1954-02-09 1959-06-16 Siemens Ag Circuit arrangement for governing the operation of key-controlled telephone switching apparatus
US3659058A (en) * 1970-05-11 1972-04-25 Antonio Peral Hernandez Automatic device for dialling pulses
WO1982003272A1 (en) * 1981-03-13 1982-09-30 Robinson Paul Rodney A loop retention device for hook operated bomb arming solenoids

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576189A (en) * 1947-12-22 1951-11-27 Ile Des Brevets O B Soc Civ Automatic multiple dialing apparatus

Also Published As

Publication number Publication date
CH163713A (de) 1933-08-31
US1965146A (en) 1934-07-03
FR742208A (enrdf_load_stackoverflow) 1933-03-02
BE389833A (enrdf_load_stackoverflow)

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