EP0104865A3 - Code confirmation circuit - Google Patents

Code confirmation circuit Download PDF

Info

Publication number
EP0104865A3
EP0104865A3 EP83305506A EP83305506A EP0104865A3 EP 0104865 A3 EP0104865 A3 EP 0104865A3 EP 83305506 A EP83305506 A EP 83305506A EP 83305506 A EP83305506 A EP 83305506A EP 0104865 A3 EP0104865 A3 EP 0104865A3
Authority
EP
European Patent Office
Prior art keywords
counter
switches
sequence
code value
amplifier
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Withdrawn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
EP83305506A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0104865A2 (en
Inventor
John Malcolm Morrison
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
Application filed by Individual filed Critical Individual
Publication of EP0104865A2 publication Critical patent/EP0104865A2/en
Publication of EP0104865A3 publication Critical patent/EP0104865A3/en
Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Programmable Controllers (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Lock And Its Accessories (AREA)
EP83305506A 1982-09-28 1983-09-20 Code confirmation circuit Withdrawn EP0104865A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08227635A GB2128003B (en) 1982-09-28 1982-09-28 Code confirmation circuit
GB8227635 1982-09-28

Publications (2)

Publication Number Publication Date
EP0104865A2 EP0104865A2 (en) 1984-04-04
EP0104865A3 true EP0104865A3 (en) 1984-12-27

Family

ID=10533213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83305506A Withdrawn EP0104865A3 (en) 1982-09-28 1983-09-20 Code confirmation circuit

Country Status (4)

Country Link
EP (1) EP0104865A3 (es)
JP (1) JPS5980874A (es)
ES (1) ES8405994A1 (es)
GB (1) GB2128003B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005488A (en) * 1997-12-03 1999-12-21 Ford Motor Company User control interface architecture for automotive electronic systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1323542A (en) * 1971-01-13 1973-07-18 Shorrock Dev Electric combination lock
FR2224629A1 (es) * 1973-04-06 1974-10-31 Integrated Conversion Tech
FR2234714A1 (es) * 1973-06-25 1975-01-17 Westinghouse Electric Corp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1323542A (en) * 1971-01-13 1973-07-18 Shorrock Dev Electric combination lock
FR2224629A1 (es) * 1973-04-06 1974-10-31 Integrated Conversion Tech
FR2234714A1 (es) * 1973-06-25 1975-01-17 Westinghouse Electric Corp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONIC DESIGN, vol. 26, no. 18, September 1, 1978 Rochelle Park, New York (US) "Ten-digit keyboard and CMOS circuits give low-cost electronic lock 151,000 codes", page 140. *

Also Published As

Publication number Publication date
EP0104865A2 (en) 1984-04-04
GB2128003B (en) 1986-06-18
JPS5980874A (ja) 1984-05-10
GB2128003A (en) 1984-04-18
ES525979A0 (es) 1984-06-16
ES8405994A1 (es) 1984-06-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): CH DE FR IT LI SE

PUAL Search report despatched

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Effective date: 19850827

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18D Application deemed to be withdrawn

Effective date: 19860402