CH619311A5 - - Google Patents

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Publication number
CH619311A5
CH619311A5 CH838377A CH838377A CH619311A5 CH 619311 A5 CH619311 A5 CH 619311A5 CH 838377 A CH838377 A CH 838377A CH 838377 A CH838377 A CH 838377A CH 619311 A5 CH619311 A5 CH 619311A5
Authority
CH
Switzerland
Prior art keywords
box
base
mobile
boxes
case
Prior art date
Application number
CH838377A
Other languages
English (en)
French (fr)
Inventor
Rene Liou Tchen San
Original Assignee
Rene Liou Tchen San
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 Rene Liou Tchen San filed Critical Rene Liou Tchen San
Publication of CH619311A5 publication Critical patent/CH619311A5/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
CH838377A 1976-07-21 1977-07-07 CH619311A5 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622183A FR2359470A1 (fr) 1976-07-21 1976-07-21 Boitier entierement autoprotege

Publications (1)

Publication Number Publication Date
CH619311A5 true CH619311A5 (no) 1980-09-15

Family

ID=9175950

Family Applications (1)

Application Number Title Priority Date Filing Date
CH838377A CH619311A5 (no) 1976-07-21 1977-07-07

Country Status (5)

Country Link
US (1) US4117467A (no)
CH (1) CH619311A5 (no)
DE (1) DE2732262A1 (no)
FR (1) FR2359470A1 (no)
GB (1) GB1558707A (no)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852813A1 (de) * 1978-12-06 1980-06-19 Siemens Ag Intrusionsschutz-detektor
US4631526A (en) * 1982-06-10 1986-12-23 Automated Security Holdings, Ltd. Theft proof alarm bell assembly
US4613845A (en) * 1983-03-24 1986-09-23 Bois Donald E Du Apparatus for preventing operation of machinery by one who is intoxicated
US4678057A (en) * 1986-01-16 1987-07-07 Autosense Corporation Breath alcohol analyzer
FR2602078A1 (fr) * 1986-07-24 1988-01-29 Signal Vision Sa Sirene d'alarme a dispositif d'inhibition de la securite d'autoprotection.
FR2626395A1 (fr) * 1988-01-26 1989-07-28 Siema Sarl Boitier de protection d'une alarme telle une sirene
GB2225470A (en) * 1988-10-14 1990-05-30 Grant Design Limited Alarm tamper detection device
DE4233664C2 (de) * 1992-10-07 1996-06-27 Elektrofachgeschaeft Hans Jahn Halogen-Scheinwerfer für eine Alarmanlage
IT244571Y1 (it) * 1998-09-09 2002-03-12 Ave Spa Armatura attrezzata per apparecchi elettrici da incasso
GB2349727B (en) * 1999-05-06 2003-07-16 John Mcrae Improvements in and relating to security systems
US6943691B2 (en) * 2001-01-19 2005-09-13 Bill Chambers Tamper indicator for a smoke detector
GB2409085B (en) 2003-12-11 2006-06-28 John Mcrae Perimeter wall security systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US667115A (en) * 1898-07-12 1901-01-29 Bankers Electric Protective Company Burglar-alarm system.
US735324A (en) * 1903-03-24 1903-08-04 Internat Burglar Immunity Company Electric protective system.
US880668A (en) * 1907-06-08 1908-03-03 Electric Prot Company Burglar-alarm.
US2627065A (en) * 1949-12-28 1953-01-27 Certified Burglar Alarm System Burglar alarm box

Also Published As

Publication number Publication date
US4117467A (en) 1978-09-26
FR2359470A1 (fr) 1978-02-17
FR2359470B1 (no) 1982-01-15
GB1558707A (en) 1980-01-09
DE2732262A1 (de) 1978-01-26

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Legal Events

Date Code Title Description
PL Patent ceased