FR2198247B1 - - Google Patents

Info

Publication number
FR2198247B1
FR2198247B1 FR7302244A FR7302244A FR2198247B1 FR 2198247 B1 FR2198247 B1 FR 2198247B1 FR 7302244 A FR7302244 A FR 7302244A FR 7302244 A FR7302244 A FR 7302244A FR 2198247 B1 FR2198247 B1 FR 2198247B1
Authority
FR
France
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
FR7302244A
Other versions
FR2198247A1 (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.)
Alarm Device Manufacturing Co
Original Assignee
Alarm Device Manufacturing Co
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 Alarm Device Manufacturing Co filed Critical Alarm Device Manufacturing Co
Publication of FR2198247A1 publication Critical patent/FR2198247A1/fr
Application granted granted Critical
Publication of FR2198247B1 publication Critical patent/FR2198247B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/18—Contacts characterised by the manner in which co-operating contacts engage by abutting with subsequent sliding
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Level Indicators Using A Float (AREA)
FR7302244A 1972-08-31 1973-01-23 Expired FR2198247B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28535372A 1972-08-31 1972-08-31

Publications (2)

Publication Number Publication Date
FR2198247A1 FR2198247A1 (fr) 1974-03-29
FR2198247B1 true FR2198247B1 (fr) 1977-04-29

Family

ID=23093867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7302244A Expired FR2198247B1 (fr) 1972-08-31 1973-01-23

Country Status (7)

Country Link
JP (1) JPS504584A (fr)
CA (1) CA972788A (fr)
DE (1) DE2325017A1 (fr)
FR (1) FR2198247B1 (fr)
GB (1) GB1439140A (fr)
IT (1) IT974215B (fr)
NL (1) NL7215663A (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600581A (en) * 1949-07-19 1952-06-17 Schenendorf Benjamin Magnetic circuit control for burglar alarms
DE1061660B (de) * 1957-05-31 1959-07-16 Siemens Ag Elektrische Sicherungsanordnung
US3175060A (en) * 1961-08-22 1965-03-23 North Electric Co Plunger operated magnetic electric switch
JPS443408Y1 (fr) * 1966-02-09 1969-02-07
US3539957A (en) * 1968-08-09 1970-11-10 Aerolite Electronics Corp Magnetic switch
US3539741A (en) * 1969-08-08 1970-11-10 Mallory & Co Inc P R Magnetically activated door switch

Also Published As

Publication number Publication date
NL7215663A (fr) 1974-03-04
CA972788A (en) 1975-08-12
FR2198247A1 (fr) 1974-03-29
IT974215B (it) 1974-06-20
JPS504584A (fr) 1975-01-17
DE2325017A1 (de) 1974-03-07
GB1439140A (en) 1976-06-09

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Legal Events

Date Code Title Description
ST Notification of lapse