CH373284A - Device for signaling the passage of a person in a specific area - Google Patents

Device for signaling the passage of a person in a specific area

Info

Publication number
CH373284A
CH373284A CH680461A CH680461A CH373284A CH 373284 A CH373284 A CH 373284A CH 680461 A CH680461 A CH 680461A CH 680461 A CH680461 A CH 680461A CH 373284 A CH373284 A CH 373284A
Authority
CH
Switzerland
Prior art keywords
signaling
passage
person
specific area
area
Prior art date
Application number
CH680461A
Other languages
French (fr)
Inventor
Meier Donner
Original Assignee
Geophysique Cie Gle
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 Geophysique Cie Gle filed Critical Geophysique Cie Gle
Publication of CH373284A publication Critical patent/CH373284A/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
    • 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 OR 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)
CH680461A 1960-06-30 1961-06-12 Device for signaling the passage of a person in a specific area CH373284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831580A FR1269273A (en) 1960-06-30 1960-06-30 Improvements to electrical monitoring and alarm systems

Publications (1)

Publication Number Publication Date
CH373284A true CH373284A (en) 1963-11-15

Family

ID=8734535

Family Applications (1)

Application Number Title Priority Date Filing Date
CH680461A CH373284A (en) 1960-06-30 1961-06-12 Device for signaling the passage of a person in a specific area

Country Status (5)

Country Link
CH (1) CH373284A (en)
DE (1) DE1249126B (en)
FR (1) FR1269273A (en)
GB (1) GB942848A (en)
NL (2) NL266481A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344901A1 (en) * 1976-03-16 1977-10-14 Elliott Brothers London Ltd INTRUSION ALARM DEVICE

Families Citing this family (9)

* 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
US4521768A (en) * 1982-04-08 1985-06-04 Elsec Electronic Security Systems Ltd. Intrusion detector
US4928085A (en) * 1983-02-23 1990-05-22 Bluegrass Electronics, Inc. Pressure change intrusion detector
US5185593A (en) * 1983-02-23 1993-02-09 Bluegrass Electronics, Inc. Dual pressure change intrusion detector
FR2556860B1 (en) * 1983-12-16 1986-04-11 Thomson Csf INTRUDER DETECTION DEVICE
FR2804530B1 (en) * 2000-01-28 2003-06-06 Conseil En Technologies Innova DETECTION DEVICE, PARTICULARLY FOR THE PERIPHERAL PROTECTION OF A PLACE TO BE MONITORED

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344901A1 (en) * 1976-03-16 1977-10-14 Elliott Brothers London Ltd INTRUSION ALARM DEVICE

Also Published As

Publication number Publication date
GB942848A (en) 1963-11-27
NL137413C (en)
FR1269273A (en) 1961-08-11
NL266481A (en)
DE1249126B (en)

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