US3127587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital comparing circuits
Assignee: Datex Corp
•
Filing: 1960-08-26
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Granted: 1964-03-31
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Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Svein
- 👤 Carl P Spaulding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
H; H03; H03M; H03M1/00; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/27; G05B19/29; G05B19/291; G06; G06F; G06F7/00; G06F7/02; G06F7/026; H03M1/12; H03M1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPARISON CIRCUIT COMPRISING A SOURCE OF REFERENCE SIGNALS, A SOURCE OF VARIABLE DIGITAL SIGNALS TO BE COMPARED WITH THE REFERENCE SIGNALS, A COMPARISON CIRCUIT COUPLED INTERMEDIATE SAID SOURCES AND RESPONSIVE TO THE REFERENCE SIGNALS AND THE DIGITAL SIGNALS SUBSTANTIALLY SIMULTANEOUSLY, SAID COMPARISON CIRCUIT INCLUDING AN EQUALITY COMPARISON CIRCUIT FOR PROVIDING A UNIQUE SIGNAL INDICATIVE OF WHEN THE DIGITAL SIGNALS ARE EQUAL TO THE REFERENCE SIGNALS AND A COMPARISON CIRCUIT FOR PROVIDING OUTPUT SIGNALS INDICATIVE OF WHEN THE REFERENCE SIGNALS ARE EQUAL TO OR LESS THAN THE DIGITAL SIGNALS.
Claim 2
Dependent Claim
89 words
A COMPARISON CIRCUIT COMPRISING A SOURCE OF REFERENCE SIGNALS, A SOURCE OF VARIABLE DIGITAL SIGNALS TO BE COMPARED WITH THE REFERENCE SIGNALS, A COMPARISON CIRCUIT COUPLED INTERMEDIATE SAID SOURCES AND RESPONSIVE TO THE REFERENCE SIGNALS AND THE DIGITAL SIGNALS SUBSTANTIALLY SIMULTANEOUSLY, SAID COMPARISON CIRCUIT INCLUDING AN EQUALITY COMPARISON CIRCUIT FOR PROVIDING A UNIQUE SIGNAL INDICATIVE OF WHEN THE DIGITAL SIGNALS ARE EQUAL TO THE REFERENCE SIGNALS AND A COMPARISON CIRCUIT FOR PROVIDING OUTPUT SIGNALS INDICATIVE OF WHEN THE REFERENCE SIGNALS ARE EQUAL TO OR LESS THAN THE DIGITAL SIGNALS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |