BE422683A - - Google Patents

Info

Publication number
BE422683A
BE422683A BE422683DA BE422683A BE 422683 A BE422683 A BE 422683A BE 422683D A BE422683D A BE 422683DA BE 422683 A BE422683 A BE 422683A
Authority
BE
Belgium
Prior art keywords
switch
sound
words
contact
spoken
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE422683A publication Critical patent/BE422683A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/012—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using recorded signals, e.g. speech

Landscapes

  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
BE422683D BE422683A (2)

Publications (1)

Publication Number Publication Date
BE422683A true BE422683A (2)

Family

ID=84296

Family Applications (1)

Application Number Title Priority Date Filing Date
BE422683D BE422683A (2)

Country Status (1)

Country Link
BE (1) BE422683A (2)

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