US3077597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for maintaining angular resolution in a signal direction finder
Assignee: Unisys Corp
•
Filing: 1959-10-21
•
Granted: 1963-02-12
•
Expires: 1979-10-21
Abstract
No abstract record available.
Inventors
- 👤 Warren M Macek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:51
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/34; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A PULSED SIGNAL DIRECTION FINDER RECEIVER COMPRISING MEANS FOR RECEIVING AND DETECTING INCIDENT PULSES OF ELECTROMAGNETIC ENERGY, SAID RECEIVING MEANS INCLUDING A CONTINUOUSLY SCANNING DIRECTIONAL ANTENNA AND PRODUCING GROUPS OF DETECTED PULSES, EACH GROUP RECURRING AT THE SCANNING RATE OF SAID ANTENNA AND THE PULSES WITHIN EACH SAID GROUP RECURRING AT THE REPETITION RATE OF SAID INCIDENT PULSES, MEANS CONNECTED TO THE OUTPUT OF SAID RECEIVING MEANS FOR COUNTING THE NUMBER OF PULSES WITHIN EACH GROUP OF DETECTED PULSES AND FOR PRODUCING AN OUTPUT SIGNAL RELATED TO THE NUMBER OF SAID DETECTED PULSES IN EXCESS OF A PREDETERMINED NUMBER, AND MEANS CONNECTED TO SAID COUNTING MEANS AND RESPONSIVE TO SAID OUTPUT SIGNAL FOR VARYING THE GAIN OF SAID RECEIVING MEANS IN ACCORDANCE WITH SAID OUTPUT SIGNAL.
References Cited (Backward Citations)
US2594916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |