Patent US4004131A successfully refreshed from Google Patents.
US4004131A
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US
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Article carrying coded indicia
Assignee: RCA Corp
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Filing: 1974-10-24
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Granted: 1977-01-18
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Expires: 1994-10-24
Abstract
Abstract A machine readable binary encoded label having start, data, and stop sections comprising concentric arcuate or linear bars of two different reflectivities.
Inventors
- 👤 John Tettemer Oneil, Jr.
- 👤 Angelo Pelios
- 👤 Allen Henry Simon
- 👤 Frank George Nickl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:46
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10861; G06K7/10871; G06K19/00; G06K19/06; G06K19/06009; G06K19/06018; G06K19/06028; G06K2019/06215; G06K2019/06243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
An article of manufacture to be read by optical scanning equipment comprising an information medium on which are a plurality of side-by-side indicators of unit width, U, which may vary from article to article, each unit width being in one or the other of two contrasting colors representing respectively binary 1's and 0's, the characteristic patterns of 1's and 0's differing along a scan line, the indicators being arranged to define a start, data, and stop portion, said start portion comprising a plurality of alternating color single unit width indicators to provide coded information corresponding to the scanning rate thereof, said data indicators being arranged so that no more than four side-by-side adjacent indicators have the same characteristics.
Claim 2
Dependent Claim
118 words
An article of manufacture to be read by optical scanning equipment comprising an information medium on which are a plurality of side-by-side indicators of unit width, U, which may vary from article to article, each unit width being in one or the other of two contrasting colors representing respectively binary 1's and 0's, the characteristic patterns of 1's and 0's differing along a scan line, the indicators being arranged to define a start, data, and stop portion, said start portion comprising a plurality of alternating color single unit width indicators to provide coded information corresponding to the scanning rate thereof, said data indicators being arranged so that no more than four side-by-side adjacent indicators have the same characteristics.
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) | 1980-01-18 | 1980-07-19 | 1981-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-18 | 1984-07-19 | 1985-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-18 | 1988-07-19 | 1989-01-18 | $7700.00 | Window Closed / Lapsed |