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CH473430A - Security alarm system with a transmitter and a receiver for coded signals - Google Patents

Security alarm system with a transmitter and a receiver for coded signals

Info

Publication number
CH473430A
CH473430A CH941667A CH941667A CH473430A CH 473430 A CH473430 A CH 473430A CH 941667 A CH941667 A CH 941667A CH 941667 A CH941667 A CH 941667A CH 473430 A CH473430 A CH 473430A
Authority
CH
Switzerland
Prior art keywords
transmitter
receiver
alarm system
coded signals
security alarm
Prior art date
Application number
CH941667A
Other languages
German (de)
Inventor
Charles Sills Edward
Robert Moffitt Brian
Wallance Mcque David
Original Assignee
Securiton Ag
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 Securiton Ag filed Critical Securiton Ag
Publication of CH473430A publication Critical patent/CH473430A/en

Links

Classifications

    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Electromechanical Clocks (AREA)
CH941667A 1966-07-04 1967-07-03 Security alarm system with a transmitter and a receiver for coded signals CH473430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29982/66A GB1118525A (en) 1966-07-04 1966-07-04 Improvements relating to the transmission of radio frequency coded pulses

Publications (1)

Publication Number Publication Date
CH473430A true CH473430A (en) 1969-05-31

Family

ID=10300351

Family Applications (1)

Application Number Title Priority Date Filing Date
CH941667A CH473430A (en) 1966-07-04 1967-07-03 Security alarm system with a transmitter and a receiver for coded signals

Country Status (6)

Country Link
US (1) US3568154A (en)
CH (1) CH473430A (en)
DE (1) DE1293652B (en)
GB (1) GB1118525A (en)
NL (1) NL6709267A (en)
SE (1) SE335873B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095211A (en) * 1975-07-31 1978-06-13 The Stanley Works Coded electronic security system
US4027276A (en) * 1975-07-31 1977-05-31 The Stanley Works Transmitter for a coded electronic security system
US4020477A (en) * 1975-11-10 1977-04-26 American District Telegraph Company Radio central station alarm system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053478A (en) * 1945-12-28 1962-09-11 Lee L Davenport System for controlling and guiding missiles
US2552013A (en) * 1947-04-22 1951-05-08 Gen Railway Signal Co Pulse duration discriminator
US2970301A (en) * 1958-01-21 1961-01-31 Robert W Rochelle Telemetering system
US3208045A (en) * 1960-12-22 1965-09-21 Standard Kollsman Ind Inc Remote interrogation decoding circuitry

Also Published As

Publication number Publication date
US3568154A (en) 1971-03-02
GB1118525A (en) 1968-07-03
DE1293652B (en) 1969-04-24
NL6709267A (en) 1968-01-05
SE335873B (en) 1971-06-14

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Legal Events

Date Code Title Description
PL Patent ceased