GB1401281A - Security system or key member for use as such - Google Patents

Security system or key member for use as such

Info

Publication number
GB1401281A
GB1401281A GB4993071A GB4993071A GB1401281A GB 1401281 A GB1401281 A GB 1401281A GB 4993071 A GB4993071 A GB 4993071A GB 4993071 A GB4993071 A GB 4993071A GB 1401281 A GB1401281 A GB 1401281A
Authority
GB
United Kingdom
Prior art keywords
key
memories
generator
signal
pulse
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
GB4993071A
Other languages
English (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.)
RCA Corp
Original Assignee
RCA Corp
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 to BE790492D priority Critical patent/BE790492A/xx
Application filed by RCA Corp filed Critical RCA Corp
Priority to GB4993071A priority patent/GB1401281A/en
Priority to IT29399/72A priority patent/IT967630B/it
Priority to NL7214178A priority patent/NL7214178A/xx
Priority to AU48045/72A priority patent/AU4804572A/en
Priority to FR7237704A priority patent/FR2158939A5/fr
Priority to JP47107569A priority patent/JPS4851800A/ja
Priority to DE2252790A priority patent/DE2252790A1/de
Publication of GB1401281A publication Critical patent/GB1401281A/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
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/29—Individual registration on entry or exit involving the use of a pass the pass containing active electronic elements, e.g. smartcards
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/0866—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by active credit-cards adapted therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
GB4993071A 1971-10-27 1971-10-27 Security system or key member for use as such Expired GB1401281A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE790492D BE790492A (fr) 1971-10-27 Systeme de surete electronique
GB4993071A GB1401281A (en) 1971-10-27 1971-10-27 Security system or key member for use as such
IT29399/72A IT967630B (it) 1971-10-27 1972-09-19 Sistema elettronico di sicurezza
NL7214178A NL7214178A (de) 1971-10-27 1972-10-20
AU48045/72A AU4804572A (en) 1971-10-27 1972-10-23 Electronic security system
FR7237704A FR2158939A5 (de) 1971-10-27 1972-10-24
JP47107569A JPS4851800A (de) 1971-10-27 1972-10-26
DE2252790A DE2252790A1 (de) 1971-10-27 1972-10-27 Elektronische sicherheitseinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4993071A GB1401281A (en) 1971-10-27 1971-10-27 Security system or key member for use as such

Publications (1)

Publication Number Publication Date
GB1401281A true GB1401281A (en) 1975-07-16

Family

ID=10454043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4993071A Expired GB1401281A (en) 1971-10-27 1971-10-27 Security system or key member for use as such

Country Status (8)

Country Link
JP (1) JPS4851800A (de)
AU (1) AU4804572A (de)
BE (1) BE790492A (de)
DE (1) DE2252790A1 (de)
FR (1) FR2158939A5 (de)
GB (1) GB1401281A (de)
IT (1) IT967630B (de)
NL (1) NL7214178A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537049A (en) * 1983-03-21 1985-08-27 Sun Chemical Corporation Control circuit for locking mechanism of vehicle door
EP0213873A2 (de) * 1985-08-30 1987-03-11 Daicel Chemical Industries, Ltd. Codesystem für eine Schliesseinrichtung
GB2190700A (en) * 1986-05-01 1987-11-25 Robert Edmund Todd Security system with key
US5003801A (en) * 1987-01-20 1991-04-02 Ford Motor Company Programmable key and improved lock assembly
US5507162A (en) * 1990-10-11 1996-04-16 Intellikey Corp. Eurocylinder-type assembly for electronic lock and key system
US5612683A (en) * 1994-08-26 1997-03-18 Trempala; Dohn J. Security key holder
US6442986B1 (en) 1998-04-07 2002-09-03 Best Lock Corporation Electronic token and lock core

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210778B2 (de) * 1973-09-12 1977-03-26
IT1139526B (it) * 1981-10-13 1986-09-24 Antonio Invernizzi Serratura e relativa chiave di tipo elettronico
JPS61122378A (ja) * 1984-11-15 1986-06-10 株式会社東芝 電子識別メモリ−・キ−
JPS62220678A (ja) * 1986-03-20 1987-09-28 松下電器産業株式会社 メモリ−キ−
JPH0617401Y2 (ja) * 1987-04-17 1994-05-02 オムロン株式会社 リモ−トコントロ−ル用送信器

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537049A (en) * 1983-03-21 1985-08-27 Sun Chemical Corporation Control circuit for locking mechanism of vehicle door
EP0213873A2 (de) * 1985-08-30 1987-03-11 Daicel Chemical Industries, Ltd. Codesystem für eine Schliesseinrichtung
EP0213873A3 (en) * 1985-08-30 1988-08-24 Daicel Chemical Industries, Ltd. Code system and hard lock device for use in the code system
GB2190700A (en) * 1986-05-01 1987-11-25 Robert Edmund Todd Security system with key
US5003801A (en) * 1987-01-20 1991-04-02 Ford Motor Company Programmable key and improved lock assembly
US5507162A (en) * 1990-10-11 1996-04-16 Intellikey Corp. Eurocylinder-type assembly for electronic lock and key system
US5612683A (en) * 1994-08-26 1997-03-18 Trempala; Dohn J. Security key holder
US6442986B1 (en) 1998-04-07 2002-09-03 Best Lock Corporation Electronic token and lock core
US6668606B1 (en) 1998-04-07 2003-12-30 Best Access Systems Electronic token lock core

Also Published As

Publication number Publication date
NL7214178A (de) 1973-05-02
FR2158939A5 (de) 1973-06-15
BE790492A (fr) 1973-02-15
IT967630B (it) 1974-03-11
AU4804572A (en) 1974-04-26
DE2252790A1 (de) 1973-05-03
JPS4851800A (de) 1973-07-20

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees