BE476714A - - Google Patents

Info

Publication number
BE476714A
BE476714A BE476714DA BE476714A BE 476714 A BE476714 A BE 476714A BE 476714D A BE476714D A BE 476714DA BE 476714 A BE476714 A BE 476714A
Authority
BE
Belgium
Application number
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.)
Publication of BE476714A publication Critical patent/BE476714A/xx
Priority claimed from US1976A external-priority patent/US2533765A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Relay Circuits (AREA)
BE476714D 1947-01-29 BE476714A (enrdf_load_html_response)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR2644937X 1947-01-29
US1976A US2533765A (en) 1947-01-29 1948-01-13 Selector apparatus for alarm signals
FR59796T 1949-12-13
US177267A US2644937A (en) 1947-01-29 1950-08-02 Apparatus for the transmission of alarm signals

Publications (1)

Publication Number Publication Date
BE476714A true BE476714A (enrdf_load_html_response)

Family

ID=32303557

Family Applications (1)

Application Number Title Priority Date Filing Date
BE476714D BE476714A (enrdf_load_html_response) 1947-01-29

Country Status (3)

Country Link
US (1) US2644937A (enrdf_load_html_response)
BE (1) BE476714A (enrdf_load_html_response)
FR (2) FR937297A (enrdf_load_html_response)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967396A (en) * 1927-12-02 1934-07-24 Louis L E Chauveau Alarm selector apparatus
US1970455A (en) * 1929-04-29 1934-08-14 Siemens Brothers & Co Ltd Electric selector
US2462875A (en) * 1944-08-15 1949-03-01 Standard Telephones Cables Ltd Automatic alarm signaling system

Also Published As

Publication number Publication date
FR59796E (fr) 1954-07-19
FR937297A (fr) 1948-08-12
US2644937A (en) 1953-07-07

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