US3553723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal processor for generating and analyzing spectral information
Assignee: Honeywell Inc
•
Filing: 1967-10-26
•
Granted: 1971-01-05
•
Expires: 1987-10-26
Abstract
Abstract A SIGNAL PROCESSOR USING SQUARE WAVES OR WALSH FUNCTIONS TO EXTRACT SPECTRAL INFORMATION FROM AN INPUT SIGNAL IS SHOWN. THE SPECTRAL INFORMATION OR SPECTRAL COMPONENTS ARE USED TO CLASSIFY THE INPUT SIGNAL IN ONE OF A NUMBER OF CLASSES.
Inventors
- 👤 Ferdinand R Ohmsorg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:53
CPC Classifications
G; G08; G08B; G08B13/00; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1928; G06G7/1935; G06G7/1942
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |