GB9011619D0 - Improvements in or relating to control - Google Patents

Improvements in or relating to control

Info

Publication number
GB9011619D0
GB9011619D0 GB909011619A GB9011619A GB9011619D0 GB 9011619 D0 GB9011619 D0 GB 9011619D0 GB 909011619 A GB909011619 A GB 909011619A GB 9011619 A GB9011619 A GB 9011619A GB 9011619 D0 GB9011619 D0 GB 9011619D0
Authority
GB
United Kingdom
Prior art keywords
relating
control
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.)
Withdrawn
Application number
GB909011619A
Other versions
GB2244831A (en
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.)
TECHNISTORE Ltd
Original Assignee
TECHNISTORE 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 TECHNISTORE Ltd filed Critical TECHNISTORE Ltd
Priority to GB9011619A priority Critical patent/GB2244831A/en
Publication of GB9011619D0 publication Critical patent/GB9011619D0/en
Publication of GB2244831A publication Critical patent/GB2244831A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
    • 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
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/33—Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
GB9011619A 1990-05-24 1990-05-24 Control Withdrawn GB2244831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9011619A GB2244831A (en) 1990-05-24 1990-05-24 Control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9011619A GB2244831A (en) 1990-05-24 1990-05-24 Control

Publications (2)

Publication Number Publication Date
GB9011619D0 true GB9011619D0 (en) 1990-07-11
GB2244831A GB2244831A (en) 1991-12-11

Family

ID=10676476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9011619A Withdrawn GB2244831A (en) 1990-05-24 1990-05-24 Control

Country Status (1)

Country Link
GB (1) GB2244831A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212266D0 (en) * 1992-06-10 1992-07-22 Racal Datacom Ltd Access control
JPH10145353A (en) * 1996-11-12 1998-05-29 Sony Corp Electronic device and security code rewrite method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1256730A (en) * 1969-01-15 1971-12-15
FR2525790A1 (en) * 1982-04-22 1983-10-28 Enigma Logic Inc SECURITY DEVICE FOR CONTROLLING AND CONTROLLING ACCESS TO LOCATIONS AND DETERMINED OBJECTS

Also Published As

Publication number Publication date
GB2244831A (en) 1991-12-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)