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GB2300263B - Piezo electric detection system for security devices - Google Patents

Piezo electric detection system for security devices

Info

Publication number
GB2300263B
GB2300263B GB9508730A GB9508730A GB2300263B GB 2300263 B GB2300263 B GB 2300263B GB 9508730 A GB9508730 A GB 9508730A GB 9508730 A GB9508730 A GB 9508730A GB 2300263 B GB2300263 B GB 2300263B
Authority
GB
United Kingdom
Prior art keywords
detection system
security devices
piezo electric
electric detection
piezo
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9508730A
Other versions
GB2300263A (en
GB9508730D0 (en
Inventor
Josef Petr Prokopius
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9508730A priority Critical patent/GB2300263B/en
Publication of GB9508730D0 publication Critical patent/GB9508730D0/en
Priority to CZ961240A priority patent/CZ124096A3/en
Publication of GB2300263A publication Critical patent/GB2300263A/en
Application granted granted Critical
Publication of GB2300263B publication Critical patent/GB2300263B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
GB9508730A 1995-04-28 1995-04-28 Piezo electric detection system for security devices Expired - Fee Related GB2300263B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9508730A GB2300263B (en) 1995-04-28 1995-04-28 Piezo electric detection system for security devices
CZ961240A CZ124096A3 (en) 1995-04-28 1996-04-29 Piezoelectric detection system for a safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9508730A GB2300263B (en) 1995-04-28 1995-04-28 Piezo electric detection system for security devices

Publications (3)

Publication Number Publication Date
GB9508730D0 GB9508730D0 (en) 1995-06-14
GB2300263A GB2300263A (en) 1996-10-30
GB2300263B true GB2300263B (en) 1999-10-27

Family

ID=10773730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9508730A Expired - Fee Related GB2300263B (en) 1995-04-28 1995-04-28 Piezo electric detection system for security devices

Country Status (2)

Country Link
CZ (1) CZ124096A3 (en)
GB (1) GB2300263B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840066A (en) * 2016-05-26 2016-08-10 常州大智光电有限公司 Security door with high safety

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7122944B2 (en) * 2004-01-16 2006-10-17 Tangidyne Corporation Signal generation system and method for generating signals

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285786A (en) * 1969-04-02 1972-08-16 American District Telegraph Co Improvements in or relating to electrical alarm systems
GB1520096A (en) * 1976-09-09 1978-08-02 Spirig Ernst Method of and apparatus for detecting damage to frangible objects
GB2189031A (en) * 1986-04-01 1987-10-14 Graham Wild Vibration sensor unit for alarm system
GB2222255A (en) * 1988-08-16 1990-02-28 Pennwalt Piezo Film Sensing breakage of glass
GB2271873A (en) * 1992-09-03 1994-04-27 Josef Petr Prokopius Electronic burglar alarm system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285786A (en) * 1969-04-02 1972-08-16 American District Telegraph Co Improvements in or relating to electrical alarm systems
GB1520096A (en) * 1976-09-09 1978-08-02 Spirig Ernst Method of and apparatus for detecting damage to frangible objects
GB2189031A (en) * 1986-04-01 1987-10-14 Graham Wild Vibration sensor unit for alarm system
GB2222255A (en) * 1988-08-16 1990-02-28 Pennwalt Piezo Film Sensing breakage of glass
GB2271873A (en) * 1992-09-03 1994-04-27 Josef Petr Prokopius Electronic burglar alarm system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840066A (en) * 2016-05-26 2016-08-10 常州大智光电有限公司 Security door with high safety
CN105840066B (en) * 2016-05-26 2017-07-11 常州大智光电有限公司 A kind of safe antitheft door

Also Published As

Publication number Publication date
CZ124096A3 (en) 1996-11-13
GB2300263A (en) 1996-10-30
GB9508730D0 (en) 1995-06-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010428