High speed data compactor
Patent
·
OSTI ID:6086690
A method and apparatus for suppressing from transmission, non-informational data words from a source of data words such as a video camera. Data words having values greater than a predetermined threshold are transmitted whereas data words having values less than a predetermined threshold are not transmitted but their occurrences instead are counted. Before being transmitted, the count of occurrences of invalid data words and valid data words are appended with flag digits which a receiving system decodes. The original data stream is fully reconstructable from the stream of valid data words and count of invalid data words. 2 figs.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (USA)
- DOE Contract Number:
- AC02-76CH03000
- Assignee:
- Dept. of Energy
- Patent Number(s):
- 4,751,572
- Application Number:
- 06/947,925, ON: DE88000855
- OSTI ID:
- 6086690
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
ANALOG-TO-DIGITAL CONVERTERS
CAMERAS
DATA PROCESSING
DATA TRANSMISSION SYSTEMS
DOCUMENT TYPES
ELECTRONIC EQUIPMENT
EQUIPMENT
IMAGE PROCESSING
INVENTIONS
PATENTS
PROCESSING
TELEVISION CAMERAS
420800* -- Engineering-- Electronic Circuits & Devices-- (-1989)
99 GENERAL AND MISCELLANEOUS
990220 -- Computers
Computerized Models
& Computer Programs-- (1987-1989)
ANALOG-TO-DIGITAL CONVERTERS
CAMERAS
DATA PROCESSING
DATA TRANSMISSION SYSTEMS
DOCUMENT TYPES
ELECTRONIC EQUIPMENT
EQUIPMENT
IMAGE PROCESSING
INVENTIONS
PATENTS
PROCESSING
TELEVISION CAMERAS