US4743744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bar code reader
Assignee: Alps Alpine Co Ltd
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Filing: 1986-07-02
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Granted: 1988-05-10
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Expires: 2006-07-02
Abstract
Abstract A bar code reader for reading and decoding bar code information as on an article of merchandise comprising in series a counting circuit outputting the counter value corresponding to the signal detected by an optical head, a code converter for converting said counter value into the multilevel image signal, a memory circuit for storing said multilevel signal input from said code converter and an automatic discriminating and decoding circuit for reading said multilevel signal stored in said memory circuit, discriminating and decoding.
Inventors
- 👤 Koji Nakase
- 👤 Junichi Ouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:10
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/14; G06K7/01; G06K7/016; G06K7/0163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A bar code reader comprising in series a counting circuit outputting a counter value corresponding to a signal detected by an optical head, a code converter for converting said counter value into a multilevel image signal, a memory circuit for storing said multilevel signal input from said code converter and an automatic discriminating and decoding circuit for reading said multilevel signal stored in said memory circuit, discriminating and decoding.
Claim 2
Dependent Claim
69 words
A bar code reader comprising in series a counting circuit outputting a counter value corresponding to a signal detected by an optical head, a code converter for converting said counter value into a multilevel image signal, a memory circuit for storing said multilevel signal input from said code converter and an automatic discriminating and decoding circuit for reading said multilevel signal stored in said memory circuit, discriminating and decoding.
References Cited (Backward Citations)
US4465926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-10 | 1991-11-09 | 1992-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-10 | 1995-11-09 | 1996-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-10 | 1999-11-09 | 2000-05-10 | $7700.00 | Window Closed / Lapsed |