GB338324A - Improvements in or relating to telephone and like signalling systems - Google Patents

Improvements in or relating to telephone and like signalling systems

Info

Publication number
GB338324A
GB338324A GB32498/29A GB3249829A GB338324A GB 338324 A GB338324 A GB 338324A GB 32498/29 A GB32498/29 A GB 32498/29A GB 3249829 A GB3249829 A GB 3249829A GB 338324 A GB338324 A GB 338324A
Authority
GB
United Kingdom
Prior art keywords
switch
impulse
key
locks
tens
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
GB32498/29A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB338324A publication Critical patent/GB338324A/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB32498/29A 1928-10-25 1929-10-25 Improvements in or relating to telephone and like signalling systems Expired GB338324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE338324X 1928-10-25

Publications (1)

Publication Number Publication Date
GB338324A true GB338324A (en) 1930-11-20

Family

ID=6222431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32498/29A Expired GB338324A (en) 1928-10-25 1929-10-25 Improvements in or relating to telephone and like signalling systems

Country Status (2)

Country Link
BE (1) BE364780A (enrdf_load_stackoverflow)
GB (1) GB338324A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE364780A (enrdf_load_stackoverflow)

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