US3074034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk resonator
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1959-01-15
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Granted: 1963-01-15
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Expires: 1979-01-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Crownover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/545; H03H3/00; H03H3/007; H03H3/02; H03H3/04; Y; Y10; Y10S; Y10S116/00; Y10S116/18; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A FILTER CIRCUIT RESPONSIVE TO AN INPUT SIGNAL HAVING A PLURALITY OF COMPONENT FREQUENCIES FOR PASSING ONLY PREDETERMINED ONES OF SAID COMPONENT FREQUENCIES, SAID FILTER CIRCUIT COMPRISING: INPUT MEANS INCLUDING A PAIR OF INPUT TERMINALS FOR RECEIVING THE APPLIED INPUT SIGNAL; A RESONATOR DISK HAVING A CUT OUT PORTION IN THE RIM OF SAID DISK, SAID DISK BEING COUPLED ACROSS SAID INPUT TERMINALS AND RESPONSIVE TO SAID INPUT SIGNAL FOR VIBRATING IN THE RADIAL MODE SIMULTANEOUSLY AT A PRINCIPAL FREQUENCY CORRESPONDING TO ONE OF SAID PREDETERMINED COMPONENT FREQUENCIES AND AT AN ANCILLARY FREQUENCY CORRESPONDING TO ANOTHER OF SAID PREDETERMINED FREQUENCIES, SAID PRINCIPAL FREQUENCY BEING DETERMINED BY THE DIMENSIONS OF SAID DISK AND SAID ANCILLARY FREQUENCY BEING DETERMINED BY THE DIMENSIONS OF SAID CUT OUT PORTION IN THE RIM OF SAID DISK; AND AN OUTPUT TERMINAL COUPLED TO SAID DISK TO RECEIVE AN OUTPUT SIGNAL GENERATED BY THE VIBRATIONS OF SAID DISK.
Claim 2
Dependent Claim
151 words
A FILTER CIRCUIT RESPONSIVE TO AN INPUT SIGNAL HAVING A PLURALITY OF COMPONENT FREQUENCIES FOR PASSING ONLY PREDETERMINED ONES OF SAID COMPONENT FREQUENCIES, SAID FILTER CIRCUIT COMPRISING: INPUT MEANS INCLUDING A PAIR OF INPUT TERMINALS FOR RECEIVING THE APPLIED INPUT SIGNAL; A RESONATOR DISK HAVING A CUT OUT PORTION IN THE RIM OF SAID DISK, SAID DISK BEING COUPLED ACROSS SAID INPUT TERMINALS AND RESPONSIVE TO SAID INPUT SIGNAL FOR VIBRATING IN THE RADIAL MODE SIMULTANEOUSLY AT A PRINCIPAL FREQUENCY CORRESPONDING TO ONE OF SAID PREDETERMINED COMPONENT FREQUENCIES AND AT AN ANCILLARY FREQUENCY CORRESPONDING TO ANOTHER OF SAID PREDETERMINED FREQUENCIES, SAID PRINCIPAL FREQUENCY BEING DETERMINED BY THE DIMENSIONS OF SAID DISK AND SAID ANCILLARY FREQUENCY BEING DETERMINED BY THE DIMENSIONS OF SAID CUT OUT PORTION IN THE RIM OF SAID DISK; AND AN OUTPUT TERMINAL COUPLED TO SAID DISK TO RECEIVE AN OUTPUT SIGNAL GENERATED BY THE VIBRATIONS OF SAID DISK.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |