FR609839A - Ball device making electrical contact by tilting the device - Google Patents

Ball device making electrical contact by tilting the device

Info

Publication number
FR609839A
FR609839A FR609839DA FR609839A FR 609839 A FR609839 A FR 609839A FR 609839D A FR609839D A FR 609839DA FR 609839 A FR609839 A FR 609839A
Authority
FR
France
Prior art keywords
tilting
electrical contact
making electrical
ball device
ball
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
Other languages
French (fr)
Inventor
Pierre-Lucien-Emile Prins
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 filed Critical
Application granted granted Critical
Publication of FR609839A publication Critical patent/FR609839A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1436—Mechanical actuation by lifting or attempted removal of hand-portable articles with motion detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR609839D 1925-05-05 1925-05-05 Ball device making electrical contact by tilting the device Expired FR609839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR609839T 1925-05-05

Publications (1)

Publication Number Publication Date
FR609839A true FR609839A (en) 1926-08-25

Family

ID=8977001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR609839D Expired FR609839A (en) 1925-05-05 1925-05-05 Ball device making electrical contact by tilting the device

Country Status (1)

Country Link
FR (1) FR609839A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217120A (en) * 1963-12-03 1965-11-09 George G Bowen Automobile signal switch
WO2000016276A1 (en) * 1998-09-11 2000-03-23 Mine Safety Appliances Company Motion sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3217120A (en) * 1963-12-03 1965-11-09 George G Bowen Automobile signal switch
WO2000016276A1 (en) * 1998-09-11 2000-03-23 Mine Safety Appliances Company Motion sensor
US6198396B1 (en) 1998-09-11 2001-03-06 Mine Safety Appliances Company Motion sensor

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