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GB1323260A - Switching system - Google Patents

Switching system

Info

Publication number
GB1323260A
GB1323260A GB5135671A GB5135671A GB1323260A GB 1323260 A GB1323260 A GB 1323260A GB 5135671 A GB5135671 A GB 5135671A GB 5135671 A GB5135671 A GB 5135671A GB 1323260 A GB1323260 A GB 1323260A
Authority
GB
United Kingdom
Prior art keywords
actuators
render
actuated
inoperative
depressed
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
GB5135671A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1323260A publication Critical patent/GB1323260A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00674—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons
    • G07C9/0069—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with switch-buttons actuated in a predetermined sequence
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Burglar Alarm Systems (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Lock And Its Accessories (AREA)

Abstract

1323260 Burglar alarms PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 4 Nov 1971 [7 Nov 1970] 51356/71 Heading G4N [Also in Division H1] A switching device for rendering an apparatus 9 (which may be, for example, an ultrasonic Doppler-effect burglar alarm with a delayed response) operative and inoperative comprises a plurality of actuators 1 which after actuation return to their rest positions, and one or more of which must be actuated according to a predetermined code to render the apparatus inoperative, wherein arbitrary actuation of one or more actuators to render the apparatus operative determines the said code and the same actuator or actuators as has or have been thus actuated must therefore subsequently and exclusively, be actuated to render the apparatus inoperative. As shown, a plurality of pushpush switches have contacts 7 connected in parallel such that depression of any one or more closes a circuit of apparatus 9 and each depressed switch, and only each depressed switch, must again be depressed to open the circuit. Each switch may comprise a pawl (15, Fig. 2, not shown) which steps a ratchet wheel (17) upon each depression of a button 1, said ratchet wheel carrying contact members (19) which at alternate steps bridge fixed contacts (21). Alternatively the buttons 1 may act directly on contacts controlling flip-flop circuits with transistors serving in place of switches 7.
GB5135671A 1970-11-07 1971-11-04 Switching system Expired GB1323260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7016330.A NL156845B (en) 1970-11-07 1970-11-07 SWITCHING SYSTEM FOR PUTTING AN APPLIANCE ON OR SHUTDOWN.

Publications (1)

Publication Number Publication Date
GB1323260A true GB1323260A (en) 1973-07-11

Family

ID=19811487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5135671A Expired GB1323260A (en) 1970-11-07 1971-11-04 Switching system

Country Status (9)

Country Link
US (1) US3778770A (en)
JP (1) JPS5372495U (en)
CA (1) CA969646A (en)
CH (1) CH539308A (en)
FR (1) FR2113632A5 (en)
GB (1) GB1323260A (en)
IT (1) IT942272B (en)
NL (1) NL156845B (en)
SE (1) SE370138B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021796A (en) * 1975-10-15 1977-05-03 Detect-All Security Systems, Inc. Pushbutton purmutation code control means for a security alarm system
US4189719A (en) * 1977-09-19 1980-02-19 The Stoneleigh Trust Intrusion alarm systems
DE3241071A1 (en) * 1982-11-06 1984-02-09 Georg 8201 Eggstätt Hilger Combination ignition lock, also for use in motorbike engines
US4673914A (en) * 1984-03-20 1987-06-16 Lee Ki Chang Keyless automobile door lock/unlock, ignition switching and burglar alarm system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225715A (en) * 1937-03-05 1940-12-24 Schneider Johann Electric locking device
US2197802A (en) * 1937-09-13 1940-04-23 James Jack Paterson Electromagnetic lock
US3353383A (en) * 1964-12-18 1967-11-21 A M Fish Holdings Ltd Door locking means

Also Published As

Publication number Publication date
US3778770A (en) 1973-12-11
IT942272B (en) 1973-03-20
DE2151930B2 (en) 1977-03-10
JPS5372495U (en) 1978-06-17
CA969646A (en) 1975-06-17
NL7016330A (en) 1972-05-09
SE370138B (en) 1974-09-30
CH539308A (en) 1973-07-15
FR2113632A5 (en) 1972-06-23
DE2151930A1 (en) 1972-05-18
NL156845B (en) 1978-05-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee