Video movement detector
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United States of America Patent
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Jul 3, 1984
Grant Date -
N/A
app pub date -
Jun 11, 1982
filing date -
Oct 22, 1980
priority date (Note) -
Expired
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Abstract
The system of detecting motion by means of a video detector which consists in directing at least one television camera (20) into the surveillance area, and reproducing the image from the said camera on a television (25) screen, characterized in that the television screen display is divided into a matrix of elemental detection zones (15) positioned in a selected number of columnms (1 to 14) with each detection zone being a selected number of scan lines (0-8) high, processing the elemental detection zones in each column in a sequential manner by integrating (28) a first detection zone in the column and at the last scan line converting to digital format in an analogue-to-digital converter (29) and placing in a memory (49) and resetting the integrator to process the next elemental detection zone and so on and subsequently comparing scans with earlier corresponding scans to detect errors representing movement, further characterized by programmable window means generated by a rectangular window generator (51) to elect which error signals are to actuate a display or alarm (47).
First Claim
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- 15 United States
- 10 France
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- 2 Other
Patent Owner(s)
- THE COMMONWEALTH OF AUSTRALIA;COMMONWEALTH OF AUSTRALIA THE, C/O THE SECRETARY, DEPARTMENT OF INDUSTRY AND COMMERCE, ANZAC PARK WEST BLDG. CONSTITUTION AVE. CANBERRA, A.C.T. 2600, COMMONWEALTH OF AUSTRALIA
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Mahoney, Trevor W | Modbury North, AU | 1 | 83 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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