FR528195A - Dispositif électrique d'alarme - Google Patents

Dispositif électrique d'alarme

Info

Publication number
FR528195A
FR528195A FR528195A FR528195DA FR528195A FR 528195 A FR528195 A FR 528195A FR 528195 A FR528195 A FR 528195A FR 528195D A FR528195D A FR 528195DA FR 528195 A FR528195 A FR 528195A
Authority
FR
France
Prior art keywords
alarm device
electric alarm
electric
alarm
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
FR528195A
Other languages
English (en)
Inventor
Gaston Morel
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.)
GASTON MOREL
Original Assignee
GASTON MOREL
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 GASTON MOREL filed Critical GASTON MOREL
Application granted granted Critical
Publication of FR528195A publication Critical patent/FR528195A/fr
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
    • G08B13/02—Mechanical actuation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
    • H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR528195A 1920-10-20 1920-10-20 Dispositif électrique d'alarme Expired FR528195A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR528195T 1920-10-20

Publications (1)

Publication Number Publication Date
FR528195A true FR528195A (fr) 1921-11-08

Family

ID=8921867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528195A Expired FR528195A (fr) 1920-10-20 1920-10-20 Dispositif électrique d'alarme

Country Status (1)

Country Link
FR (1) FR528195A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754382A (en) * 1953-03-18 1956-07-10 Int Harvester Co Alarm for balers indicating the supply of baling wire is exhausted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754382A (en) * 1953-03-18 1956-07-10 Int Harvester Co Alarm for balers indicating the supply of baling wire is exhausted

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