IT1011012B - Apparecchio per regolare la sensibilita di un dispositivo di rivelazione di intrusione - Google Patents

Apparecchio per regolare la sensibilita di un dispositivo di rivelazione di intrusione

Info

Publication number
IT1011012B
IT1011012B IT52502/73A IT5250273A IT1011012B IT 1011012 B IT1011012 B IT 1011012B IT 52502/73 A IT52502/73 A IT 52502/73A IT 5250273 A IT5250273 A IT 5250273A IT 1011012 B IT1011012 B IT 1011012B
Authority
IT
Italy
Prior art keywords
sensitivity
adjusting
intrusion detection
detection device
intrusion
Prior art date
Application number
IT52502/73A
Other languages
English (en)
Original Assignee
Kidde & Co Walter
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 Kidde & Co Walter filed Critical Kidde & Co Walter
Application granted granted Critical
Publication of IT1011012B publication Critical patent/IT1011012B/it

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
IT52502/73A 1972-09-15 1973-09-13 Apparecchio per regolare la sensibilita di un dispositivo di rivelazione di intrusione IT1011012B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00289424A US3851301A (en) 1972-09-15 1972-09-15 Method and apparatus for balancing an ultrasonic detection system

Publications (1)

Publication Number Publication Date
IT1011012B true IT1011012B (it) 1977-01-20

Family

ID=23111473

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52502/73A IT1011012B (it) 1972-09-15 1973-09-13 Apparecchio per regolare la sensibilita di un dispositivo di rivelazione di intrusione

Country Status (7)

Country Link
US (1) US3851301A (it)
JP (1) JPS4966297A (it)
CA (1) CA988193A (it)
DE (1) DE2346311A1 (it)
GB (1) GB1446925A (it)
IT (1) IT1011012B (it)
ZA (1) ZA736060B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054871A (en) * 1974-09-09 1977-10-18 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic intrusion sensor
CH588156A5 (it) * 1974-12-05 1977-05-31 Carba Sa
JPS5970287U (ja) * 1982-11-01 1984-05-12 綜合警備保障株式会社 防犯監視装置
CH666974A5 (de) * 1984-02-13 1988-08-31 Cerberus Ag Ueberwachung von elektrischen parametern und deren einstellung bei einem einbruchmelder.
CA1250634A (en) * 1984-11-19 1989-02-28 Melvin C. Maki Simulated targets for detection systems
GB2177797B (en) * 1985-07-12 1989-07-26 Hwang Shih Ming An environmental interference detection device
US5438318A (en) * 1990-06-01 1995-08-01 Electro-Univers-Diffusion Movement detector for detecting movement within a predetermined space
JPH06281734A (ja) * 1993-03-25 1994-10-07 Mitsubishi Electric Corp レーダ・トランスポンダ
DE19514308A1 (de) * 1995-04-18 1996-10-24 Siemens Ag Ultraschallwandlerkopf mit integrierten steuerbaren Verstärkereinrichtungen
US10702244B2 (en) * 2011-06-29 2020-07-07 Sunnybrook Research Institute System and method for controlling focused ultrasound treatment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706285A (en) * 1951-08-21 1955-04-12 Roderic M Scott Dynamic monitor for echo ranging equipment
US2779936A (en) * 1955-03-21 1957-01-29 Holmes Electric Protective Com Supervisory unit for burglar alarm system
US2903683A (en) * 1957-02-25 1959-09-08 Kidde & Co Walter Sensitivity control of apparatus for detecting disturbances in an enclosure
US3022496A (en) * 1957-05-06 1962-02-20 Kidde & Co Walter Testing of apparatus for detecting disturbances in an enclosure
US3659255A (en) * 1969-09-25 1972-04-25 Winfield James Trott Hydrophone calibrator

Also Published As

Publication number Publication date
GB1446925A (en) 1976-08-18
DE2346311A1 (de) 1974-04-04
AU6002273A (en) 1975-03-06
JPS4966297A (it) 1974-06-27
ZA736060B (en) 1974-08-28
US3851301A (en) 1974-11-26
CA988193A (en) 1976-04-27

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