ES375881A1 - Perfeccionamientos en los dispositivos electronicos de se- guridad. - Google Patents

Perfeccionamientos en los dispositivos electronicos de se- guridad.

Info

Publication number
ES375881A1
ES375881A1 ES375881A ES375881A ES375881A1 ES 375881 A1 ES375881 A1 ES 375881A1 ES 375881 A ES375881 A ES 375881A ES 375881 A ES375881 A ES 375881A ES 375881 A1 ES375881 A1 ES 375881A1
Authority
ES
Spain
Prior art keywords
register
switch
output
switches
gate
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
ES375881A
Other languages
English (en)
Spanish (es)
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.)
North American Research Corp
Original Assignee
North American Research 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 North American Research Corp filed Critical North American Research Corp
Publication of ES375881A1 publication Critical patent/ES375881A1/es
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
    • 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
    • G07C9/00698—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 function of displayed informations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Selective Calling Equipment (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
ES375881A 1969-01-15 1970-01-15 Perfeccionamientos en los dispositivos electronicos de se- guridad. Expired ES375881A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79143969A 1969-01-15 1969-01-15

Publications (1)

Publication Number Publication Date
ES375881A1 true ES375881A1 (es) 1972-07-01

Family

ID=25153734

Family Applications (1)

Application Number Title Priority Date Filing Date
ES375881A Expired ES375881A1 (es) 1969-01-15 1970-01-15 Perfeccionamientos en los dispositivos electronicos de se- guridad.

Country Status (6)

Country Link
JP (1) JPS499678B1 (enrdf_load_stackoverflow)
BR (1) BR7016044D0 (enrdf_load_stackoverflow)
ES (1) ES375881A1 (enrdf_load_stackoverflow)
FR (1) FR2041034A1 (enrdf_load_stackoverflow)
GB (1) GB1256730A (enrdf_load_stackoverflow)
IL (1) IL33602A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459514A1 (fr) * 1979-06-19 1981-01-09 Gao Ges Automation Org Procede d'introduction d'un mot de code personnel dans un lecteur automatique de documents
GB2120434B (en) * 1982-04-22 1986-03-12 Enigma Logic Inc A security system
DE3225754A1 (de) * 1982-07-09 1984-01-12 Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil
GB2143062B (en) * 1983-07-05 1987-08-26 Lin Min Shin Dual control electronics switch apparatus with photoelectric identification and digital code arrangement
US4599489A (en) * 1984-02-22 1986-07-08 Gordian Systems, Inc. Solid state key for controlling access to computer software
FR2561703B1 (fr) * 1984-03-23 1986-07-25 Genus Int Appareil d'acces a serrure et cle codee
GB2244831A (en) * 1990-05-24 1991-12-11 Technistore Limited Control

Also Published As

Publication number Publication date
BR7016044D0 (pt) 1973-02-08
FR2041034A1 (enrdf_load_stackoverflow) 1971-01-29
JPS499678B1 (enrdf_load_stackoverflow) 1974-03-06
GB1256730A (enrdf_load_stackoverflow) 1971-12-15
IL33602A (en) 1973-03-30

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