CH538164A - Ultraschall-Raumschutzanlage - Google Patents

Ultraschall-Raumschutzanlage

Info

Publication number
CH538164A
CH538164A CH1087071A CH1087071A CH538164A CH 538164 A CH538164 A CH 538164A CH 1087071 A CH1087071 A CH 1087071A CH 1087071 A CH1087071 A CH 1087071A CH 538164 A CH538164 A CH 538164A
Authority
CH
Switzerland
Prior art keywords
protection system
room protection
ultrasonic room
ultrasonic
room
Prior art date
Application number
CH1087071A
Other languages
English (en)
Inventor
Peer Dr Thilo
Horst Dipl Ing Frei
Original Assignee
Zettler Elektrotechn Alois
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 Zettler Elektrotechn Alois filed Critical Zettler Elektrotechn Alois
Publication of CH538164A publication Critical patent/CH538164A/de

Links

Classifications

    • 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
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
CH1087071A 1970-07-28 1971-07-23 Ultraschall-Raumschutzanlage CH538164A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702037463 DE2037463A1 (de) 1970-07-28 1970-07-28 Elektro-akustische Raumschutzanlage

Publications (1)

Publication Number Publication Date
CH538164A true CH538164A (de) 1973-06-15

Family

ID=5778148

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1087071A CH538164A (de) 1970-07-28 1971-07-23 Ultraschall-Raumschutzanlage

Country Status (2)

Country Link
CH (1) CH538164A (de)
DE (1) DE2037463A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641017A1 (de) * 1975-09-13 1977-03-17 Matsushita Electric Works Ltd Ultraschall-alarmanlage fuer bewegte objekte
DE3138723A1 (de) * 1981-09-29 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Echosignal-auswerteverfahren zur einbruchssicherung nach dem ultraschall-dopplerverfahren und schaltungsanordnung zur durchfuehrung des echosignal-auswerteverfahrens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641017A1 (de) * 1975-09-13 1977-03-17 Matsushita Electric Works Ltd Ultraschall-alarmanlage fuer bewegte objekte
DE3138723A1 (de) * 1981-09-29 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Echosignal-auswerteverfahren zur einbruchssicherung nach dem ultraschall-dopplerverfahren und schaltungsanordnung zur durchfuehrung des echosignal-auswerteverfahrens

Also Published As

Publication number Publication date
DE2037463A1 (de) 1972-02-03

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Legal Events

Date Code Title Description
PL Patent ceased