GB2253291B - Signalling apparatus - Google Patents

Signalling apparatus

Info

Publication number
GB2253291B
GB2253291B GB9117230A GB9117230A GB2253291B GB 2253291 B GB2253291 B GB 2253291B GB 9117230 A GB9117230 A GB 9117230A GB 9117230 A GB9117230 A GB 9117230A GB 2253291 B GB2253291 B GB 2253291B
Authority
GB
United Kingdom
Prior art keywords
signalling apparatus
signalling
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 - Fee Related
Application number
GB9117230A
Other versions
GB2253291A (en
GB9117230D0 (en
Inventor
Kevin Bell
Martin Ward
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GB919104025A external-priority patent/GB9104025D0/en
Application filed by Individual filed Critical Individual
Publication of GB9117230D0 publication Critical patent/GB9117230D0/en
Publication of GB2253291A publication Critical patent/GB2253291A/en
Application granted granted Critical
Publication of GB2253291B publication Critical patent/GB2253291B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00388—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method
    • 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
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00785—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light
GB9117230A 1991-02-26 1991-08-09 Signalling apparatus Expired - Fee Related GB2253291B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919104025A GB9104025D0 (en) 1991-02-26 1991-02-26 Signalling apparatus
GB919111289A GB9111289D0 (en) 1991-02-26 1991-05-24 Signalling apparatus

Publications (3)

Publication Number Publication Date
GB9117230D0 GB9117230D0 (en) 1991-09-25
GB2253291A GB2253291A (en) 1992-09-02
GB2253291B true GB2253291B (en) 1994-08-17

Family

ID=26298497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9117230A Expired - Fee Related GB2253291B (en) 1991-02-26 1991-08-09 Signalling apparatus

Country Status (1)

Country Link
GB (1) GB2253291B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308899C1 (en) * 1993-03-19 1994-02-03 Siemens Ag Remote-controlled vehicle locking using dialogue method - transmitting successive signals having respective codes between key transmitter and lock, each code being verified
GB2281991A (en) * 1993-09-10 1995-03-22 Icl Systems Ab Authentication
DE19516992C1 (en) * 1995-05-09 1996-04-04 Siemens Ag Operating system for automobile anti-theft device
FR2749036A1 (en) * 1996-05-24 1997-11-28 Ma Bunn Sieng ACCESS CONTROL DEVICE FOR PROGRAMMABLE ELECTRONIC LOCK DOOR
EP1006248B1 (en) 1998-12-04 2003-10-22 Siemens Aktiengesellschaft Remote-controlled access control device, in particular for a motor vehicle and portable transponder therefor
GB2380037B (en) * 2001-05-10 2005-03-02 Jump To It Ltd Recognition system
DE102012008657A1 (en) * 2012-05-03 2013-11-07 Torben Friehe Method for transmitting data for actuating a device for opening a lock

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528214A (en) * 1974-12-12 1978-10-11 Nederlanden Staat Radio teleprinter system
GB2051442A (en) * 1979-03-30 1981-01-14 Howard J A A security system
GB2100897A (en) * 1981-06-22 1983-01-06 William Shiu Hung Cheung Personnel identification device
EP0086286A1 (en) * 1982-02-11 1983-08-24 Powell, William S. Information communicating apparatus and method
US4471345A (en) * 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
GB2144564A (en) * 1983-07-29 1985-03-06 Philips Nv Authentication system between a card reader and a card exchanger data
EP0216298A2 (en) * 1985-09-17 1987-04-01 Casio Computer Company Limited Identification system
GB2227111A (en) * 1989-01-17 1990-07-18 Toshiba Kk Certification system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528214A (en) * 1974-12-12 1978-10-11 Nederlanden Staat Radio teleprinter system
GB2051442A (en) * 1979-03-30 1981-01-14 Howard J A A security system
GB2100897A (en) * 1981-06-22 1983-01-06 William Shiu Hung Cheung Personnel identification device
EP0086286A1 (en) * 1982-02-11 1983-08-24 Powell, William S. Information communicating apparatus and method
US4471345A (en) * 1982-03-05 1984-09-11 Sensormatic Electronics Corporation Randomized tag to portal communication system
GB2144564A (en) * 1983-07-29 1985-03-06 Philips Nv Authentication system between a card reader and a card exchanger data
EP0216298A2 (en) * 1985-09-17 1987-04-01 Casio Computer Company Limited Identification system
GB2227111A (en) * 1989-01-17 1990-07-18 Toshiba Kk Certification system

Also Published As

Publication number Publication date
GB2253291A (en) 1992-09-02
GB9117230D0 (en) 1991-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950809