US3237122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stripline oscillator
Assignee: Individual
•
Filing: 1964-03-20
•
Granted: 1966-02-22
•
Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Campi Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:16
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
A VACUUM TUBE OSCILLATOR CIRCUIT COMPRISING: (A) A VACUUM TUBE HAVING A PLATE ELECTRODE, A GRID ELECTRODE, AND A CATHODE ELECTRODE, AND (B) A MICROWAVE STRIPLINE CIRCUIT CONNECTED TO SAID VACUUM TUBE AND HAVING A REACTIVE IMPEDANCE AT THE FREQUENCY OF OSCILLATION WHICH RESONATES WITH THE PLATE TO GRID INTERELECTRODE CAPACITANCE OF SAID VACUUM TUBE, SAID MICROWAVE STRIPLINE CIRCUIT COMPRISING: (1) A FIRST PRINTED CIRCUIT BOARD HAVING COPPER CLADDING ON TWO SURFACES, THE COPPER CLADDING ON ONE SURFACE BEING ETCHED TO FORM A PLATE ELECTRODE CONTACT SURFACE AND RADIAL LINES EMANATING FROM SAID PLATE ELECTRODE CONTACT SURFACE, THE COPPER CLADDING ON THE OTHER SURFACE NOT BEING ETCHED AND FORMING THE GROUND PLANE FOR THE ETCHED SURFACE, SAID PLATE ELECTRODE CONTACT SURFACE CONTACTING AND MAKING ELECTRICAL CONNECTION WITH SAID PLATE ELECTRODE, AND (2) A SECOND PRINTED CIRCUIT BOARD HAVING COPPER CLADDING ON TWO SURFACES, THE COPPER CLADDING ON ONE SURFACE BEING ETCHED TO FORM A GRID ELECTRODE CONTACT SURFACE AND RADIAL LINES EMNATING FROM SAID GRID ELECTRODE CONTACT SURFACE, THE COPPER CLADDING ON THE OTHER SURFACE NOT BEING ETCHED AND FORMING THE GROUND PLANE FOR THE ETCHED SURFACE, SAID GRID ELECTRODE CONTACT SURFACE CONTACTING AND MAKING ELECTRICAL CONNECTION WITH SAID GRID ELECTRODE, (3) THE NUMBER AND LENGTH OF SAID RADIAL LINES ON SAID FIRST AND SECOND PRINTED CIRCUIT BOARDS BEING CHOSEN TO ATTAIN THE DESIRED PLATE TO GRID FEEDBACK SIGNAL AND THE DESIRED FREQUENCY OF OSCILLATION.
Claim 2
Dependent Claim
235 words
A VACUUM TUBE OSCILLATOR CIRCUIT COMPRISING: (A) A VACUUM TUBE HAVING A PLATE ELECTRODE, A GRID ELECTRODE, AND A CATHODE ELECTRODE, AND (B) A MICROWAVE STRIPLINE CIRCUIT CONNECTED TO SAID VACUUM TUBE AND HAVING A REACTIVE IMPEDANCE AT THE FREQUENCY OF OSCILLATION WHICH RESONATES WITH THE PLATE TO GRID INTERELECTRODE CAPACITANCE OF SAID VACUUM TUBE, SAID MICROWAVE STRIPLINE CIRCUIT COMPRISING: (1) A FIRST PRINTED CIRCUIT BOARD HAVING COPPER CLADDING ON TWO SURFACES, THE COPPER CLADDING ON ONE SURFACE BEING ETCHED TO FORM A PLATE ELECTRODE CONTACT SURFACE AND RADIAL LINES EMANATING FROM SAID PLATE ELECTRODE CONTACT SURFACE, THE COPPER CLADDING ON THE OTHER SURFACE NOT BEING ETCHED AND FORMING THE GROUND PLANE FOR THE ETCHED SURFACE, SAID PLATE ELECTRODE CONTACT SURFACE CONTACTING AND MAKING ELECTRICAL CONNECTION WITH SAID PLATE ELECTRODE, AND (2) A SECOND PRINTED CIRCUIT BOARD HAVING COPPER CLADDING ON TWO SURFACES, THE COPPER CLADDING ON ONE SURFACE BEING ETCHED TO FORM A GRID ELECTRODE CONTACT SURFACE AND RADIAL LINES EMNATING FROM SAID GRID ELECTRODE CONTACT SURFACE, THE COPPER CLADDING ON THE OTHER SURFACE NOT BEING ETCHED AND FORMING THE GROUND PLANE FOR THE ETCHED SURFACE, SAID GRID ELECTRODE CONTACT SURFACE CONTACTING AND MAKING ELECTRICAL CONNECTION WITH SAID GRID ELECTRODE, (3) THE NUMBER AND LENGTH OF SAID RADIAL LINES ON SAID FIRST AND SECOND PRINTED CIRCUIT BOARDS BEING CHOSEN TO ATTAIN THE DESIRED PLATE TO GRID FEEDBACK SIGNAL AND THE DESIRED FREQUENCY OF OSCILLATION.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |