SE335873B - - Google Patents

Info

Publication number
SE335873B
SE335873B SE09509/67*A SE950967A SE335873B SE 335873 B SE335873 B SE 335873B SE 950967 A SE950967 A SE 950967A SE 335873 B SE335873 B SE 335873B
Authority
SE
Sweden
Prior art keywords
multivibrator
transistor
code
subcarrier
alarm
Prior art date
Application number
SE09509/67*A
Other languages
English (en)
Inventor
E Sills
B Moffitt
D Mcque
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 SE335873B publication Critical patent/SE335873B/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • 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
    • G08B25/10—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)
  • Electromechanical Clocks (AREA)
  • Measurement Of Current Or Voltage (AREA)
SE09509/67*A 1966-07-04 1967-06-28 SE335873B (de)

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
SE335873B true SE335873B (de) 1971-06-14

Family

ID=10300351

Family Applications (1)

Application Number Title Priority Date Filing Date
SE09509/67*A SE335873B (de) 1966-07-04 1967-06-28

Country Status (6)

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

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
CH473430A (de) 1969-05-31
NL6709267A (de) 1968-01-05
GB1118525A (en) 1968-07-03
DE1293652B (de) 1969-04-24
US3568154A (en) 1971-03-02

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