GB191206305A - An Improved Impulse Transmitter for Automatic Telephone Systems. - Google Patents

An Improved Impulse Transmitter for Automatic Telephone Systems.

Info

Publication number
GB191206305A
GB191206305A GB191206305DA GB191206305A GB 191206305 A GB191206305 A GB 191206305A GB 191206305D A GB191206305D A GB 191206305DA GB 191206305 A GB191206305 A GB 191206305A
Authority
GB
United Kingdom
Prior art keywords
lever
rack
disks
levers
abutment
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
Michel Baum
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 GB191206305A publication Critical patent/GB191206305A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)
  • Telephone Set Structure (AREA)
GB191206305D 1911-03-13 1912-03-13 An Improved Impulse Transmitter for Automatic Telephone Systems. Expired GB191206305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE249076T 1911-03-13

Publications (1)

Publication Number Publication Date
GB191206305A true GB191206305A (en) 1912-11-07

Family

ID=32522309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191206305D Expired GB191206305A (en) 1911-03-13 1912-03-13 An Improved Impulse Transmitter for Automatic Telephone Systems.

Country Status (3)

Country Link
DE (1) DE249076C (https=)
FR (1) FR441220A (https=)
GB (1) GB191206305A (https=)

Also Published As

Publication number Publication date
FR441220A (fr) 1912-08-01
DE249076C (https=)

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