US3253166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical frequency discriminator
Assignee: Westinghouse Electric Corp
•
Filing: 1963-01-28
•
Granted: 1966-05-24
•
Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Thaddeus A Osial
- 👤 John H Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
H; H03; H03D; H03D3/00; H03D3/02; H03D3/06; H03D3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A FREQUENCY DISCRIMINATOR OPERATIVE WITH INPUT SIGNALS VARYING ABOUT AN INTERMEDIATE FREQUENCY COMPRISING, A MECHANICAL VIBRATOR RESONANT IN A FLEXURAL MODE HAVING A PLURALITY OF NODAL AND ANTINODAL DIAMETERS, SAID VIBRATOR HAVING A FIRST SURFACE, A SECOND SURFACE OPPOSITE SAID FIRST SURFACE AND A SIDE SURFACE BETWEEN SAID FIRST AND SECOND SURFACES, MOUNTING MEANS FOR PROVIDING AN UNDAMPED CONNECTION TO SAID VIBRATOR, A DISSYMMETRY PORTION ON SAID VIBRATOR, INPUT MEANS INCLUDING A TRANSDUCER ELEMENT TO RECEIVE SAID INPUT SIGNALS AND BEING OPERATIVE TO ACTUATE SAID VIBRATOR INTO VIBRATION, FIRST OUTPUT MEANS INCLUDING A TRANSDUCER ELEMENT DISPOSED ALONG AT LEAST ONE OF SAID DIAMETERS AND BEING RESPONSIVE TO AT LEAST ONE PREDETERMINED FREQUENCY TO PROVIDE FIRST OUTPUT SIGNALS PROPORTIONAL TO THE AMPLITUDE OF THE RESPONSIVE FREQUENCIES, AND SECOND OUTPUT MEANS INCLUDING A TRANSDUCER ELEMENT DISPOSED ALONG AT LEAST ONE OTHER OF SAID DIAMETERS AND BEING RESPONSIVE TO AT LEAST ONE OTHER FREQUENCY TO PROVIDE SECOND OUTPUT SIGNALS PROPORTIONAL TO THE AMPLITUDE OF THE RESPONSIVE FREQUENCY.
Claim 2
Dependent Claim
164 words
A FREQUENCY DISCRIMINATOR OPERATIVE WITH INPUT SIGNALS VARYING ABOUT AN INTERMEDIATE FREQUENCY COMPRISING, A MECHANICAL VIBRATOR RESONANT IN A FLEXURAL MODE HAVING A PLURALITY OF NODAL AND ANTINODAL DIAMETERS, SAID VIBRATOR HAVING A FIRST SURFACE, A SECOND SURFACE OPPOSITE SAID FIRST SURFACE AND A SIDE SURFACE BETWEEN SAID FIRST AND SECOND SURFACES, MOUNTING MEANS FOR PROVIDING AN UNDAMPED CONNECTION TO SAID VIBRATOR, A DISSYMMETRY PORTION ON SAID VIBRATOR, INPUT MEANS INCLUDING A TRANSDUCER ELEMENT TO RECEIVE SAID INPUT SIGNALS AND BEING OPERATIVE TO ACTUATE SAID VIBRATOR INTO VIBRATION, FIRST OUTPUT MEANS INCLUDING A TRANSDUCER ELEMENT DISPOSED ALONG AT LEAST ONE OF SAID DIAMETERS AND BEING RESPONSIVE TO AT LEAST ONE PREDETERMINED FREQUENCY TO PROVIDE FIRST OUTPUT SIGNALS PROPORTIONAL TO THE AMPLITUDE OF THE RESPONSIVE FREQUENCIES, AND SECOND OUTPUT MEANS INCLUDING A TRANSDUCER ELEMENT DISPOSED ALONG AT LEAST ONE OTHER OF SAID DIAMETERS AND BEING RESPONSIVE TO AT LEAST ONE OTHER FREQUENCY TO PROVIDE SECOND OUTPUT SIGNALS PROPORTIONAL TO THE AMPLITUDE OF THE RESPONSIVE 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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |