IT1033799B - Dispositivo di allarme per porta o sportello di armadio - Google Patents

Dispositivo di allarme per porta o sportello di armadio

Info

Publication number
IT1033799B
IT1033799B IT9441/75A IT944175A IT1033799B IT 1033799 B IT1033799 B IT 1033799B IT 9441/75 A IT9441/75 A IT 9441/75A IT 944175 A IT944175 A IT 944175A IT 1033799 B IT1033799 B IT 1033799B
Authority
IT
Italy
Prior art keywords
door
alarm device
cabinet
cabinet door
alarm
Prior art date
Application number
IT9441/75A
Other languages
English (en)
Original Assignee
Berkowitz G
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 Berkowitz G filed Critical Berkowitz G
Application granted granted Critical
Publication of IT1033799B publication Critical patent/IT1033799B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
IT9441/75A 1974-08-30 1975-05-23 Dispositivo di allarme per porta o sportello di armadio IT1033799B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US502030A US3895599A (en) 1974-08-30 1974-08-30 Cabinet door alarm device

Publications (1)

Publication Number Publication Date
IT1033799B true IT1033799B (it) 1979-08-10

Family

ID=23996027

Family Applications (1)

Application Number Title Priority Date Filing Date
IT9441/75A IT1033799B (it) 1974-08-30 1975-05-23 Dispositivo di allarme per porta o sportello di armadio

Country Status (3)

Country Link
US (1) US3895599A (it)
JP (1) JPS5129099A (it)
IT (1) IT1033799B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485374A (en) * 1980-06-16 1984-11-27 Francis P. Meserow Non-wired perimeter protective system
US4941424A (en) * 1988-10-17 1990-07-17 Herbert Hanft Door alarm
GB201116932D0 (en) * 2011-10-01 2011-11-16 Young Peter J Device to detect unattended open door or draw
CN103544794B (zh) * 2013-10-28 2015-10-28 杜金兰 报警装置
US9761106B1 (en) 2016-09-28 2017-09-12 John C. Campbell Anti-intrusion device for simulating gun cocking

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US339750A (en) * 1886-04-13 Door-alarm
US166696A (en) * 1875-08-17 Improvement in burglar-alarms
US231152A (en) * 1880-08-17 Door-gong and alarm
US86876A (en) * 1869-02-09 Improvement in alarm-bells
US1156497A (en) * 1913-07-01 1915-10-12 Mark J Ryan Burglar and fire alarm.
US1633374A (en) * 1926-01-06 1927-06-21 Denser Charles Audible alarm
JPH077701U (ja) * 1993-06-30 1995-02-03 東京濾器株式会社 水分離フィルタ付き燃料フィルタ

Also Published As

Publication number Publication date
US3895599A (en) 1975-07-22
JPS5129099A (en) 1976-03-11

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