US4858014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Random scan system
Assignee: ISIGHT Inc
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Filing: 1987-06-18
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Granted: 1989-08-15
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Expires: 2007-06-18
Abstract
Abstract A two-dimensional video data acquisition system comprising: video detector apparatus for scanning a visual scene; controller apparatus for generating scan pattern instructions; system interface apparatus for selecting at least one scan pattern for acquisition of video data from the visual scene, the scan pattern being selected from a plurality of such patterns in accordance with the scan pattern instructions; and scan-video interface apparatus comprising random scan driver apparatus for generating scan control signals in accordance with the selected scan pattern, the video detector apparatus scanning the visual scene in accordance with the scan control signals to provide an output to the system interface such that an intensity data map is stored therein, the controller apparatus performing data processing of the intensity data map in accordance with a predetermined set of video data characteristics.
Inventors
- 👤 Yehoshua Zeevi
- 👤 Oliver Hilsenrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:20
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/40; H04N3/00; H04N3/10; H04N3/30
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
166 words
A two-dimensional video data acquisition system comprising: a video detector means for scanning a visual scene; a controller means for generating scan pattern instructions; a system interface means for selecting at least one scan pattern for acquisition of video data from said visual scene, said scan pattern being selected from a plurality of such patterns in accordance with said scan pattern instructions; and a scan-video interface means comprising random scan driver means for generating scan control signals in accordance with said selected scan pattern, said video detector means scanning said visual scene in accordance with said scan control signals to provide an output to said system interface such that an intensity data map is stored therein, said controller means performing data processing of said intensity data map in accordance with a predetermined set of video data characteristics, wherein said system interface comprises a read only memory (ROM), a sample system, a random access memory (RAM), a direct memory access controller (DMA), and a serial communication interface.
Claim 2
Dependent Claim
166 words
A two-dimensional video data acquisition system comprising: a video detector means for scanning a visual scene; a controller means for generating scan pattern instructions; a system interface means for selecting at least one scan pattern for acquisition of video data from said visual scene, said scan pattern being selected from a plurality of such patterns in accordance with said scan pattern instructions; and a scan-video interface means comprising random scan driver means for generating scan control signals in accordance with said selected scan pattern, said video detector means scanning said visual scene in accordance with said scan control signals to provide an output to said system interface such that an intensity data map is stored therein, said controller means performing data processing of said intensity data map in accordance with a predetermined set of video data characteristics, wherein said system interface comprises a read only memory (ROM), a sample system, a random access memory (RAM), a direct memory access controller (DMA), and a serial communication interface.
Claim 3
Dependent Claim
15 words
The system of claim 1 wherein said video detector means comprises a vidicon TV cameras.
Claim 4
Dependent Claim
22 words
The system of claim 1 wherein said controller means comprises a CPU which receives a scanning strategy for generating said scanning instructions.
Claim 5
Dependent Claim
15 words
The systems of claim 1 wherein scan pattern instructions are generated in a predetermined fashion.
Claim 6
Dependent Claim
16 words
The system of claim 1 wherein said scan pattern instructions are generated in a real-time fashion.
Claim 7
Dependent Claim
21 words
The system of claim 1 wherein said ROM provides storage of a pattern library in which said scan patterns are contained.
Claim 8
Dependent Claim
23 words
The system of claim 1 wherein said sample system compares the video output intensity of said video detector to a predetermined threshold value.
Claim 9
Dependent Claim
25 words
The system of claim 1 wherein said RAM and DMA provide said intensity data map storage in accordance with the operation of said sample system.
Claim 10
Dependent Claim
25 words
The system of claim 1 wherein said serial communication interface provides communication with a host computer for transfer of a scanning strategy to said CPU.
Claim 11
Dependent Claim
22 words
The system of claim 1 wherein said scan-video interface comprises a D/A converter and deflection amplifiers for generating said scan control signals.
Claim 12
Independent Claim
134 words
A method of acquiring two-dimensional video data from a portion of a visual scene, said method comprising the steps of: determining the portion of the visual scene from which data is to be acquired; selecting at least one scan pattern for a video detector from a plurality of such patterns in accordance with said determined scene portion; scanning said video detector in accordance with said selected scan pattern; sampling the video data received from said video detector and storing a portion thereof in accordance with a predetermined intensity threshold value; and processing said stored video data portion in relation to a predetermined set of video data characteristics, wherein said sampling and storing step is performed by a sampling system in cooperation with a direct memory access controller (DMA) and a random access memory (RAM).
Claim 13
Independent Claim
134 words
A method of acquiring two-dimensional video data from a portion of a visual scene, said method comprising the steps of: determining the portion of the visual scene from which data is to be acquired; selecting at least one scan pattern for a video detector from a plurality of such patterns in accordance with said determined scene portion; scanning said video detector in accordance with said selected scan pattern; sampling the video data received from said video detector and storing a portion thereof in accordance with a predetermined intensity threshold value; and processing said stored video data portion in relation to a predetermined set of video data characteristics, wherein said sampling and storing step is performed by a sampling system in cooperation with a direct memory access controller (DMA) and a random access memory (RAM).
Claim 14
Dependent Claim
22 words
The method of claim 11 wherein said determining step is performed in accordance with a scanning strategy established by a host computer.
Claim 15
Dependent Claim
31 words
The method of claim 11 wherein said selecting step is performed by a CPU which selects said scan pattern from a read only memory (ROM) in accordance with said scanning strategy.
Claim 16
Dependent Claim
15 words
The method of claim 11 wherein said selecting step is performed in a predetermined fashion.
Claim 17
Dependent Claim
15 words
The method of claim 11 wherein said selecting step is performed in a real-time fashion.
Claim 18
Dependent Claim
18 words
The method of claim 11 wherein said scanning step is performed by a D/A converter and deflection amplifiers.
Claim 19
Dependent Claim
21 words
The method of claim 11 wherein said processing step is performed by said CPU in serial communication with said host computer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-14 | 1993-02-13 | 1993-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-14 | 1997-02-13 | 1997-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-14 | 2001-02-13 | 2001-08-15 | $7700.00 | Window Closed / Lapsed |