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US4471218B1
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US4471218B1 - - Google Patents
Assignee: Symbol Technologies LLC
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Filing: 1982-05-19
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Granted: 1989-08-01
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Expires: 2002-05-19
Abstract
Abstract A self-contained, portable data entry terminal positioned within a cordless, wand-type enclosure. Positioned within the enclosure is a bar code optical reader (12), signal conditioning electronics (14,15), a microprocessor (16), a memory (19), and a rechargable battery (22). The bar code optical reader is a sensor/emitter (12) that functions as both a sensor and an emitter to permit the readout of data stored in the memory (19).
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:36
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10881; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-31 | 1993-01-30 | 1993-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-31 | 1997-01-30 | 1997-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-31 | 2001-01-30 | 2001-08-01 | $7700.00 | Window Closed / Lapsed |