NL266481A - - Google Patents

Info

Publication number
NL266481A
NL266481A NL266481DA NL266481A NL 266481 A NL266481 A NL 266481A NL 266481D A NL266481D A NL 266481DA NL 266481 A NL266481 A NL 266481A
Authority
NL
Netherlands
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 NL266481A publication Critical patent/NL266481A/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
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1663—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using seismic sensing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NL266481D 1960-06-30 NL266481A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831580A FR1269273A (fr) 1960-06-30 1960-06-30 Perfectionnements aux systèmes électriques de surveillance et d'alarme

Publications (1)

Publication Number Publication Date
NL266481A true NL266481A (en:Method)

Family

ID=8734535

Family Applications (2)

Application Number Title Priority Date Filing Date
NL266481D NL266481A (en:Method) 1960-06-30
NL137413D NL137413C (en:Method) 1960-06-30

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL137413D NL137413C (en:Method) 1960-06-30

Country Status (5)

Country Link
CH (1) CH373284A (en:Method)
DE (1) DE1249126B (en:Method)
FR (1) FR1269273A (en:Method)
GB (1) GB942848A (en:Method)
NL (2) NL137413C (en:Method)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258762A (en) * 1966-06-28 Bistable multivibrator means
US3296587A (en) * 1963-02-20 1967-01-03 Texas Instruments Inc Intrusion detector system
US3273138A (en) * 1964-04-28 1966-09-13 Sonus Corp Swimming pool monitor
US3806907A (en) * 1972-03-23 1974-04-23 Texas Instruments Inc Perimeter intrusion detection system with common mode rejection
GB1573446A (en) * 1976-03-16 1980-08-20 Elliott Bros Intruder alarm systems
US4521768A (en) * 1982-04-08 1985-06-04 Elsec Electronic Security Systems Ltd. Intrusion detector
US5185593A (en) * 1983-02-23 1993-02-09 Bluegrass Electronics, Inc. Dual pressure change intrusion detector
US4928085A (en) * 1983-02-23 1990-05-22 Bluegrass Electronics, Inc. Pressure change intrusion detector
FR2556860B1 (fr) * 1983-12-16 1986-04-11 Thomson Csf Dispositif de detection d'intrus
FR2804530B1 (fr) * 2000-01-28 2003-06-06 Conseil En Technologies Innova Dispositif de detection, notamment pour la protection peripherique d'un lieu a surveiller

Also Published As

Publication number Publication date
NL137413C (en:Method)
DE1249126B (en:Method)
CH373284A (fr) 1963-11-15
FR1269273A (fr) 1961-08-11
GB942848A (en) 1963-11-27

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