US3252017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric oscillator having a high coupling factor
Assignee: Siemens and Halske AG
•
Filing: 1963-06-24
•
Granted: 1966-05-17
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Bartels Hans Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/56; H03H9/562; H03H9/15; H03H9/17; H03H9/176; H03H9/58; H03H9/581
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PIEZOELECTRIC OSCILLATOR COMPRISING AT LEAST ONE PIEZOELECTRIC PREPOLARIZED DISK, AT LEAST TWO ELECTRODES OPERATIVELY CONNECTED TO SAID DISK AND SERVING FOR THE EXCITATION THEREOF BY WHICH THE ELECTRIC ALTERNATING FIELD IN THE PIEZOELECTRIC IS ESTABLISHED SUBSTANTIALLY IN A DIRECTION SELECTED FROM THE CLASS OF DIRECTIONS WHICH EXTEND PARALLEL AND ANTIPARALLEL TO THE DIRECTION OF POLARIZATION, SAID ELECTRODES BEING SO ARRANGED THAT THE PROPAGATION OF THE MECHANICAL WAVE, PRODUCED BY THE EXCITATION, IS IN A DIRECTION CORRESPONDING TO ONE OF SAID POLARIZATION DIRECTIONS, AND AN INSULATING LAYER, CONTACTING ONE SIDE
Claim 2
Dependent Claim
90 words
A PIEZOELECTRIC OSCILLATOR COMPRISING AT LEAST ONE PIEZOELECTRIC PREPOLARIZED DISK, AT LEAST TWO ELECTRODES OPERATIVELY CONNECTED TO SAID DISK AND SERVING FOR THE EXCITATION THEREOF BY WHICH THE ELECTRIC ALTERNATING FIELD IN THE PIEZOELECTRIC IS ESTABLISHED SUBSTANTIALLY IN A DIRECTION SELECTED FROM THE CLASS OF DIRECTIONS WHICH EXTEND PARALLEL AND ANTIPARALLEL TO THE DIRECTION OF POLARIZATION, SAID ELECTRODES BEING SO ARRANGED THAT THE PROPAGATION OF THE MECHANICAL WAVE, PRODUCED BY THE EXCITATION, IS IN A DIRECTION CORRESPONDING TO ONE OF SAID POLARIZATION DIRECTIONS, AND AN INSULATING LAYER, CONTACTING ONE SIDE
References Cited (Backward Citations)
US3091708A
Cited
US2969512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |