FR507667A - Security device against burglary - Google Patents

Security device against burglary

Info

Publication number
FR507667A
FR507667A FR507667A FR507667DA FR507667A FR 507667 A FR507667 A FR 507667A FR 507667 A FR507667 A FR 507667A FR 507667D A FR507667D A FR 507667DA FR 507667 A FR507667 A FR 507667A
Authority
FR
France
Prior art keywords
security device
device against
against burglary
burglary
security
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
Application number
FR507667A
Other languages
French (fr)
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.)
GENEVOISE D ELECTRICITE SOC
Original Assignee
GENEVOISE D ELECTRICITE SOC
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 GENEVOISE D ELECTRICITE SOC filed Critical GENEVOISE D ELECTRICITE SOC
Application granted granted Critical
Publication of FR507667A publication Critical patent/FR507667A/en
Expired 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
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR507667A 1918-09-10 1919-12-23 Security device against burglary Expired FR507667A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH507667X 1918-09-10

Publications (1)

Publication Number Publication Date
FR507667A true FR507667A (en) 1920-09-21

Family

ID=4517253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR507667A Expired FR507667A (en) 1918-09-10 1919-12-23 Security device against burglary

Country Status (1)

Country Link
FR (1) FR507667A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470846A (en) * 1945-11-13 1949-05-24 Phillips Petroleum Co Seismograph blaster time breaker circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2470846A (en) * 1945-11-13 1949-05-24 Phillips Petroleum Co Seismograph blaster time breaker circuit

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