SE8106403L - Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter - Google Patents

Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter

Info

Publication number
SE8106403L
SE8106403L SE8106403A SE8106403A SE8106403L SE 8106403 L SE8106403 L SE 8106403L SE 8106403 A SE8106403 A SE 8106403A SE 8106403 A SE8106403 A SE 8106403A SE 8106403 L SE8106403 L SE 8106403L
Authority
SE
Sweden
Prior art keywords
calculator
door
evaluating
counter
period
Prior art date
Application number
SE8106403A
Other languages
Swedish (sv)
Inventor
Bengt Ingemar Ake Lilja
Original Assignee
Bengt Ingemar Ake Lilja
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 Bengt Ingemar Ake Lilja filed Critical Bengt Ingemar Ake Lilja
Priority to SE8106403A priority Critical patent/SE8106403L/en
Publication of SE8106403L publication Critical patent/SE8106403L/en

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
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

An indicator unit (5) shows a door's altered position from closed to open, and back to closed. It is positioned near the door, pref. on the frame. The number of altered positions is evaluated and recorded (11,12) within a predetermined period in a number of recorders (12). The indicator unit (9) has its electrical output signal connected to an amplifier (10) dependent upon a calculator unit (11). The latter (11) is set at zero at the commencement of the specific period, and at the expiry of that period its setting (12) is maintained. The output signal from the indicator can also activate a photographic equipment to take a picture of a person altering the door's position. An electrical time circuit (13) couples the calculator (11) in and out, and also sets it at zero at the period commencement point. (Provisional Basic advised week K24).
SE8106403A 1981-10-29 1981-10-29 Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter SE8106403L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8106403A SE8106403L (en) 1981-10-29 1981-10-29 Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8106403A SE8106403L (en) 1981-10-29 1981-10-29 Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter

Publications (1)

Publication Number Publication Date
SE8106403L true SE8106403L (en) 1983-04-30

Family

ID=20344915

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8106403A SE8106403L (en) 1981-10-29 1981-10-29 Door movement security monitoring - using frame indicator and evaluating and recording opening and closing movements by calculator and counter

Country Status (1)

Country Link
SE (1) SE8106403L (en)

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