NO119716B - - Google Patents

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Publication number
NO119716B
NO119716B NO15406564A NO15406564A NO119716B NO 119716 B NO119716 B NO 119716B NO 15406564 A NO15406564 A NO 15406564A NO 15406564 A NO15406564 A NO 15406564A NO 119716 B NO119716 B NO 119716B
Authority
NO
Norway
Prior art keywords
transmitter
alarm
receiver
relay
signal
Prior art date
Application number
NO15406564A
Other languages
English (en)
Norwegian (no)
Inventor
John George Jefferies
Original Assignee
John George Jefferies
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 John George Jefferies filed Critical John George Jefferies
Publication of NO119716B publication Critical patent/NO119716B/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B25/10—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 wireless transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Alarm Systems (AREA)
NO15406564A 1963-07-20 1964-07-18 NO119716B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2057363A GB1072672A (en) 1963-07-20 1963-07-20 Improvements in and relating to alarm apparatus

Publications (1)

Publication Number Publication Date
NO119716B true NO119716B (xx) 1970-06-22

Family

ID=10148140

Family Applications (1)

Application Number Title Priority Date Filing Date
NO15406564A NO119716B (xx) 1963-07-20 1964-07-18

Country Status (5)

Country Link
CH (1) CH406912A (xx)
ES (1) ES302220A1 (xx)
GB (1) GB1072672A (xx)
NL (1) NL6408205A (xx)
NO (1) NO119716B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172831B1 (xx) * 1972-02-22 1974-08-02 Leandri Walter

Also Published As

Publication number Publication date
CH406912A (fr) 1966-01-31
GB1072672A (en) 1967-06-21
NL6408205A (xx) 1964-11-25
ES302220A1 (es) 1965-01-16

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