DE1924875A1 - Elektronisches Sicherheitsschloss - Google Patents

Elektronisches Sicherheitsschloss

Info

Publication number
DE1924875A1
DE1924875A1 DE19691924875 DE1924875A DE1924875A1 DE 1924875 A1 DE1924875 A1 DE 1924875A1 DE 19691924875 DE19691924875 DE 19691924875 DE 1924875 A DE1924875 A DE 1924875A DE 1924875 A1 DE1924875 A1 DE 1924875A1
Authority
DE
Germany
Prior art keywords
code
pulse
circuit
alarm
input
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.)
Pending
Application number
DE19691924875
Other languages
German (de)
English (en)
Inventor
Hesselgren Tore Gottfrid
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.)
HESSELGREN TORE GOTTFRID
Original Assignee
HESSELGREN TORE GOTTFRID
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 HESSELGREN TORE GOTTFRID filed Critical HESSELGREN TORE GOTTFRID
Publication of DE1924875A1 publication Critical patent/DE1924875A1/de
Pending 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)
  • Burglar Alarm Systems (AREA)
  • Lock And Its Accessories (AREA)
  • Emergency Alarm Devices (AREA)
DE19691924875 1968-05-07 1969-05-06 Elektronisches Sicherheitsschloss Pending DE1924875A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE6113/68A SE309924B (enrdf_load_stackoverflow) 1968-05-07 1968-05-07

Publications (1)

Publication Number Publication Date
DE1924875A1 true DE1924875A1 (de) 1969-12-11

Family

ID=20267929

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691924875 Pending DE1924875A1 (de) 1968-05-07 1969-05-06 Elektronisches Sicherheitsschloss

Country Status (5)

Country Link
US (1) US3656114A (enrdf_load_stackoverflow)
JP (1) JPS522359B1 (enrdf_load_stackoverflow)
DE (1) DE1924875A1 (enrdf_load_stackoverflow)
GB (1) GB1269365A (enrdf_load_stackoverflow)
SE (1) SE309924B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735381A (en) * 1971-06-01 1973-05-22 E Zadig Testing apparatus for selectively enabling controlled equipment
US3805246A (en) * 1972-05-08 1974-04-16 Univ Notra Dame Du Lac Coded access device
FR2396465A1 (fr) * 1977-06-27 1979-01-26 Wulf Francis De Dispositif commutateur a verrouillage electronique pour un circuit electrique
US4494114B1 (en) * 1983-12-05 1996-10-15 Int Electronic Tech Security arrangement for and method of rendering microprocessor-controlled electronic equipment inoperative after occurrence of disabling event
TWI412651B (zh) * 2010-06-18 2013-10-21 Mao Jung Fu The key to trigger the structure and method of the code lock of silicon - controlled rectifier and logic gate
TWI403634B (zh) * 2010-06-18 2013-08-01 Mao Jung Fu Structure and Method of Password Lock for Combination of Photoelectric Switch and Silicon Control Rectifier and Logic Gate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855588A (en) * 1954-09-15 1958-10-07 Harry W Allen Combination lock and burglar alarm
GB863174A (enrdf_load_stackoverflow) * 1957-09-30
US3024452A (en) * 1958-08-22 1962-03-06 Itt Multi-digit electrical door lock
US3080547A (en) * 1958-11-03 1963-03-05 Motorola Inc Selective calling apparatus
US3175191A (en) * 1960-01-14 1965-03-23 Motorola Inc Binary code signalling system having a binary counter at the receiver responsive to a selected code
US3100389A (en) * 1960-06-30 1963-08-13 Card Key System Inc Security booth
US3327290A (en) * 1963-03-25 1967-06-20 Amp Inc Dial sequence detector
US3380024A (en) * 1964-04-16 1968-04-23 Northern Electric Co Multi-digit electrical combination lock

Also Published As

Publication number Publication date
US3656114A (en) 1972-04-11
JPS522359B1 (enrdf_load_stackoverflow) 1977-01-21
SE309924B (enrdf_load_stackoverflow) 1969-04-08
GB1269365A (en) 1972-04-06

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