NL7701795A - BURGLARY PROTECTION. - Google Patents

BURGLARY PROTECTION.

Info

Publication number
NL7701795A
NL7701795A NL7701795A NL7701795A NL7701795A NL 7701795 A NL7701795 A NL 7701795A NL 7701795 A NL7701795 A NL 7701795A NL 7701795 A NL7701795 A NL 7701795A NL 7701795 A NL7701795 A NL 7701795A
Authority
NL
Netherlands
Prior art keywords
burglary protection
burglary
protection
Prior art date
Application number
NL7701795A
Other languages
Dutch (nl)
Original Assignee
Jacobus Willem De Graaf
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 Jacobus Willem De Graaf filed Critical Jacobus Willem De Graaf
Priority to NL7701795A priority Critical patent/NL7701795A/en
Priority to DE19782805001 priority patent/DE2805001A1/en
Priority to FR7804351A priority patent/FR2381364A1/en
Priority to BE185214A priority patent/BE864010A/en
Publication of NL7701795A publication Critical patent/NL7701795A/en

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)
NL7701795A 1977-02-18 1977-02-18 BURGLARY PROTECTION. NL7701795A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL7701795A NL7701795A (en) 1977-02-18 1977-02-18 BURGLARY PROTECTION.
DE19782805001 DE2805001A1 (en) 1977-02-18 1978-02-06 BURGLAR PROTECTION
FR7804351A FR2381364A1 (en) 1977-02-18 1978-02-16 Burglar alarm system with two sensors - responds to change of force and to vibrations, and sensors deliver their signals to evaluation device (BE 16.8.78)
BE185214A BE864010A (en) 1977-02-18 1978-02-16 INBRAAKBEVEILIGING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7701795A NL7701795A (en) 1977-02-18 1977-02-18 BURGLARY PROTECTION.

Publications (1)

Publication Number Publication Date
NL7701795A true NL7701795A (en) 1978-08-22

Family

ID=19828008

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7701795A NL7701795A (en) 1977-02-18 1977-02-18 BURGLARY PROTECTION.

Country Status (4)

Country Link
BE (1) BE864010A (en)
DE (1) DE2805001A1 (en)
FR (1) FR2381364A1 (en)
NL (1) NL7701795A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218341A1 (en) * 1985-08-22 1987-04-15 Philip Young Alarm for a blind
CH668137A5 (en) * 1986-05-07 1988-11-30 Alexandra Alioth DEVICE FOR CONTROLLING AN ELECTRICAL ALARM APPARATUS.

Also Published As

Publication number Publication date
DE2805001A1 (en) 1978-08-24
BE864010A (en) 1978-08-16
FR2381364A1 (en) 1978-09-15

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Legal Events

Date Code Title Description
BV The patent application has lapsed