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GB191224409A - Improvements in Impulse Transmitters for Electrical Circuits. - Google Patents

Improvements in Impulse Transmitters for Electrical Circuits.

Info

Publication number
GB191224409A
GB191224409A GB191224409DA GB191224409A GB 191224409 A GB191224409 A GB 191224409A GB 191224409D A GB191224409D A GB 191224409DA GB 191224409 A GB191224409 A GB 191224409A
Authority
GB
United Kingdom
Prior art keywords
disk
key
arm
keys
spindle
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
English (en)
Inventor
William Mansfield Bruce
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191224409A publication Critical patent/GB191224409A/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
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/38—Pulses transmitted by a movement variably limited by the setting of a stop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Breakers (AREA)
  • Feeding And Guiding Record Carriers (AREA)
GB191224409D 1911-12-07 1912-10-25 Improvements in Impulse Transmitters for Electrical Circuits. Expired GB191224409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191224409XA 1911-12-07 1911-12-07

Publications (1)

Publication Number Publication Date
GB191224409A true GB191224409A (en) 1913-10-23

Family

ID=32597097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191224409D Expired GB191224409A (en) 1911-12-07 1912-10-25 Improvements in Impulse Transmitters for Electrical Circuits.

Country Status (2)

Country Link
DE (1) DE283719C (da)
GB (1) GB191224409A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1016762B (de) * 1954-07-12 1957-10-03 Phil Habil Oskar Vierling Dr Vorrichtung zum Aussenden von Reihen elektrischer Impulse fuer Fernmelde-, insbesondere Fernsprechanlagen
DE1195819B (de) * 1963-09-04 1965-07-01 Holzer Patent Ag Tastenwaehler mit Drucktasten fuer Fernmelde-Anlagen

Also Published As

Publication number Publication date
DE283719C (da)

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