GB9204906D0 - Encoded key & reading device for a security system - Google Patents

Encoded key & reading device for a security system

Info

Publication number: GB9204906D0
Authority: GB; United Kingdom
Prior art keywords: reading device; security system; encoded key; encoded; key
Prior art date: 1992-03-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

GB929204906A

Other versions

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.)

Ford Motor Co Ltd

Ford Motor Co

Original Assignee

Ford Motor Co Ltd

Ford Motor 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.)

1992-03-05

Filing date

1992-03-05

Publication date

1992-04-22

1992-03-05 Application filed by Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd

1992-03-05 Priority to GB9204906A priority Critical patent/GB2264976A/en

1992-04-22 Publication of GB9204906D0 publication Critical patent/GB9204906D0/en

1993-09-15 Publication of GB2264976A publication Critical patent/GB2264976A/en

Status Withdrawn legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
- E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
- E05B49/006—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks actuating opto-electronic devices

GB9204906A 1992-03-05 1992-03-05 Encoded key and reading device for a security system Withdrawn GB2264976A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9204906A GB2264976A (en)	1992-03-05	1992-03-05	Encoded key and reading device for a security system

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9204906A GB2264976A (en)	1992-03-05	1992-03-05	Encoded key and reading device for a security system

Publications (2)

Publication Number	Publication Date
GB9204906D0 true GB9204906D0 (en)	1992-04-22
GB2264976A GB2264976A (en)	1993-09-15

Family

ID=10711628

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9204906A Withdrawn GB2264976A (en)	1992-03-05	1992-03-05	Encoded key and reading device for a security system

Country Status (1)

Country	Link
GB (1)	GB2264976A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4342556C2 (en) *	1993-12-14	1996-08-01	Guenther Jobst	Locking system
GB2356426B (en) *	1999-11-18	2003-06-18	Guestkey Software Ltd	Lock and key assemblies
DE10225375B4 (en) *	2002-06-06	2004-06-09	Codixx Ag	Optical security system
ITMI20120843A1 (en) *	2012-05-16	2013-11-17	Mauro Trespidi	"LOCK CYLINDER TO OPERATE A LOCK OF A LOCK, AND ITS KEY"

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3688269A (en) *	1971-01-15	1972-08-29	Constellation Science And Tech	Electronic key lock having data coded key
NO792077L (en) *	1978-06-27	1979-12-28	Marlok Inc	DOOR CONTROL UNIT.
GB2141775B (en) *	1983-06-17	1987-08-05	Wilmot Breeden Ltd	Key-operated locking device
GB8425324D0 (en) *	1984-10-06	1984-11-14	Lowe & Fletcher Ltd	Reading information from key

1992
- 1992-03-05 GB GB9204906A patent/GB2264976A/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2264976A (en)	1993-09-15

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Legal Events

Date	Code	Title	Description
1994-07-06	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)