IT953666B - Sistema per il controllo di opera zioni differenti - Google Patents

Sistema per il controllo di opera zioni differenti

Info

Publication number
IT953666B
IT953666B IT23315/72A IT2331572A IT953666B IT 953666 B IT953666 B IT 953666B IT 23315/72 A IT23315/72 A IT 23315/72A IT 2331572 A IT2331572 A IT 2331572A IT 953666 B IT953666 B IT 953666B
Authority
IT
Italy
Prior art keywords
control
different operations
operations
different
Prior art date
Application number
IT23315/72A
Other languages
English (en)
Italian (it)
Original Assignee
Eaton 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
Application filed by Eaton Corp filed Critical Eaton Corp
Application granted granted Critical
Publication of IT953666B publication Critical patent/IT953666B/it

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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00904—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for hotels, motels, office buildings or the like
    • 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
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
IT23315/72A 1971-04-19 1972-04-18 Sistema per il controllo di opera zioni differenti IT953666B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13526571A 1971-04-19 1971-04-19

Publications (1)

Publication Number Publication Date
IT953666B true IT953666B (it) 1973-08-10

Family

ID=22467299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23315/72A IT953666B (it) 1971-04-19 1972-04-18 Sistema per il controllo di opera zioni differenti

Country Status (3)

Country Link
US (1) US3673569A (en:Method)
FR (1) FR2136522A5 (en:Method)
IT (1) IT953666B (en:Method)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774422A (en) * 1972-03-23 1973-11-27 American District Telegraph Co Electronic locking arrangement
US3829833A (en) * 1972-10-24 1974-08-13 Information Identification Co Code element identification method and apparatus
US3790957A (en) * 1972-11-24 1974-02-05 L Dukes Key automated data collection, control and source information system
US4177657A (en) * 1976-04-16 1979-12-11 Kadex, Inc. Electronic lock system
US4411144A (en) * 1976-04-16 1983-10-25 Kadex, Inc. Electronic lock system
US4079605A (en) * 1976-05-03 1978-03-21 Schlage Lock Company Optical key reader for door locks
US4327353A (en) * 1978-03-06 1982-04-27 George W. Beard Security system
US4333328A (en) * 1980-05-02 1982-06-08 A.R.M. Access identification apparatus
US4534194A (en) * 1981-03-16 1985-08-13 Kadex, Incorporated Electronic lock system
JP2757777B2 (ja) * 1994-05-26 1998-05-25 住友金属工業株式会社 メモリの不正アクセス検出方法及びシステム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590333A (en) * 1968-12-31 1971-06-29 Alvin S Blum Identification system

Also Published As

Publication number Publication date
US3673569A (en) 1972-06-27
FR2136522A5 (en:Method) 1972-12-22

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