US3303422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal voltage peak and frequency measuring apparatus using heterodyne principle
Assignee: Rohde and Schwarz GmbH and Co KG
•
Filing: 1962-03-23
•
Granted: 1967-02-07
•
Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 Lucius Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:44
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/32; G; G01; G01R; G01R19/00; G01R19/0007; G01R19/04; G01R23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
APPARATUS FOR DETERMINING THE PEAK SIGNAL WITHIN A SPECTRUM OF ELECTRICAL SIGNAL VOLTAGES OCCURRING AS DISCRETE SIGNALS, IN A WIDE HIGH-FREQUENCY BAND, COMPRISING MEANS SCANNING THE FREQUENCY BAND TO PRODUCE VOLTAGES OCCURRING IN TIMED SEQUENCE ONE AFTER ANOTHER AT ITS OUTPUT, SAID SCANNING MEANS INCLUDING A LOCAL OSCILLATOR; A WOBBLE GENERATOR CONNECTED TO SAID LOCAL OSCILLATOR AND PRODUCING OUTPUT VOLTAGES OF A FREQUENCY VARYING IN TIME; A MIXER CIRCUIT HAVING SAID SPECTRUM OF ELECTRICAL SIGNAL VOLTAGES APPLIED THERETO AND FURTHER CONNECTED TO SAID SCANNING MEANS TO HETERODYNE SAID SIGNAL VOLTAGES AND THE FREQUENCY-
Claim 2
Dependent Claim
93 words
APPARATUS FOR DETERMINING THE PEAK SIGNAL WITHIN A SPECTRUM OF ELECTRICAL SIGNAL VOLTAGES OCCURRING AS DISCRETE SIGNALS, IN A WIDE HIGH-FREQUENCY BAND, COMPRISING MEANS SCANNING THE FREQUENCY BAND TO PRODUCE VOLTAGES OCCURRING IN TIMED SEQUENCE ONE AFTER ANOTHER AT ITS OUTPUT, SAID SCANNING MEANS INCLUDING A LOCAL OSCILLATOR; A WOBBLE GENERATOR CONNECTED TO SAID LOCAL OSCILLATOR AND PRODUCING OUTPUT VOLTAGES OF A FREQUENCY VARYING IN TIME; A MIXER CIRCUIT HAVING SAID SPECTRUM OF ELECTRICAL SIGNAL VOLTAGES APPLIED THERETO AND FURTHER CONNECTED TO SAID SCANNING MEANS TO HETERODYNE SAID SIGNAL VOLTAGES AND THE FREQUENCY-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |