US3290614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency oscillator having distributed parameter resonant circuit
Assignee: Lockheed Martin Corp
•
Filing: 1964-03-20
•
Granted: 1966-12-06
•
Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Racy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:13
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
265 words
THREE-REACTANCE RADIO FREQUENCY OSCILLATOR COMPRISING, IN COMBINATION, (A) A COAXIAL DISTRIBUTED PARAMETER RESONANT CIRCUIT HAVING AN INNER LINE AND OUTER SHIELD FORMING A FIRST OSCILLATOR REACTANCE, SAID INNER LINE AND OUTER SHIELD (1) FORMING FIRST AND SECOND SPACED CONDUCTIVE SECTIONS, (2) POSSESSING A RESONANT FREQUENCY AT WHICH THE ENERGY THEREIN HAS AN ELECTRIC FIELD COMPONENT BETWEEN SAID CONDUCTIVE SECTIONS, (B) A TRANSISTOR HAVING A FIRST CURRENT CARRYING TERMINAL, A SECOND CURRENT CARRYING TERMINAL AND A THIRD CONTROL TERMINAL, (1) SAID TRANSISTOR HAVING AN INTERNAL CAPACITANCE BETWEEN SAID FIRST AND SECOND CURRENT CARRYING TERMINALS FORMING A SECOND OSCILLATOR REACTANCE, (2) SAID TRANSISTOR HAVING A FURTHER INTERNAL CACAPCITANCE BETWEEN SAID FIRST CURRENT CARRYING TERMINAL AND SAID CONTROL TERMINAL FORMING A THIRD OSCILLATOR REACTANCE, (3) SAID FIRST CURRENT CARRYING TERMINAL BEING CONNECTED TO ONE OF SAID SPACED CONDUCTIVE SECTIONS, (4) SAID SECOND CURRENT TERMINAL BEING CONNECTED TO THE OTHER OF SAID SPACED CONDUCTIVE SECTIONS, (5) SAID THREE REACTANCES SUBSTANTIALLY DETERMINING THE FREQUENCY OF OSCILLATION OF SAID OSCILLATOR, (C) A SOURCE OF POTENTIAL, (D) A BIAS CIRCUIT, (1) CONNECTED IN PARALLEL WITH SAID SOURCE OF POTENTIAL, (2) SAID BIAS CIRCUIT COMPRISING A RESISTIVE VOLTAGE DIVIDER, (A) ONE END OF SAID VOLTAGE DIVIDER BEING CONNECTED TO ONE OF SAID SPACED CONDUCTIVE SECTIONS, AND (B) THE OTHER END THEREOF BEING CONNECTED THROUGH AN IMPEDANCE OF SAID FIRST CURRENT CARRYING TERMINAL, (3) SAID CONTROL TERMINAL BEING CONNECTED TO SAID RESISTIVE VOLTAGE DIVIDER INTERMEDIATE THE ENDS THEREOF, (4) CAPACITIVE MEANS CONNECTED IN PARALLEL WITH SAID RESISTIVE VOLTAGE DIVIDER, AND (5) MEANS INTERCONNECTING INTERMEDIATE POINTS OF SAID CAPACITIVE MEANS AND SAID RESISTIVE VOLTAGE DIVIDER.
Claim 2
Dependent Claim
265 words
THREE-REACTANCE RADIO FREQUENCY OSCILLATOR COMPRISING, IN COMBINATION, (A) A COAXIAL DISTRIBUTED PARAMETER RESONANT CIRCUIT HAVING AN INNER LINE AND OUTER SHIELD FORMING A FIRST OSCILLATOR REACTANCE, SAID INNER LINE AND OUTER SHIELD (1) FORMING FIRST AND SECOND SPACED CONDUCTIVE SECTIONS, (2) POSSESSING A RESONANT FREQUENCY AT WHICH THE ENERGY THEREIN HAS AN ELECTRIC FIELD COMPONENT BETWEEN SAID CONDUCTIVE SECTIONS, (B) A TRANSISTOR HAVING A FIRST CURRENT CARRYING TERMINAL, A SECOND CURRENT CARRYING TERMINAL AND A THIRD CONTROL TERMINAL, (1) SAID TRANSISTOR HAVING AN INTERNAL CAPACITANCE BETWEEN SAID FIRST AND SECOND CURRENT CARRYING TERMINALS FORMING A SECOND OSCILLATOR REACTANCE, (2) SAID TRANSISTOR HAVING A FURTHER INTERNAL CACAPCITANCE BETWEEN SAID FIRST CURRENT CARRYING TERMINAL AND SAID CONTROL TERMINAL FORMING A THIRD OSCILLATOR REACTANCE, (3) SAID FIRST CURRENT CARRYING TERMINAL BEING CONNECTED TO ONE OF SAID SPACED CONDUCTIVE SECTIONS, (4) SAID SECOND CURRENT TERMINAL BEING CONNECTED TO THE OTHER OF SAID SPACED CONDUCTIVE SECTIONS, (5) SAID THREE REACTANCES SUBSTANTIALLY DETERMINING THE FREQUENCY OF OSCILLATION OF SAID OSCILLATOR, (C) A SOURCE OF POTENTIAL, (D) A BIAS CIRCUIT, (1) CONNECTED IN PARALLEL WITH SAID SOURCE OF POTENTIAL, (2) SAID BIAS CIRCUIT COMPRISING A RESISTIVE VOLTAGE DIVIDER, (A) ONE END OF SAID VOLTAGE DIVIDER BEING CONNECTED TO ONE OF SAID SPACED CONDUCTIVE SECTIONS, AND (B) THE OTHER END THEREOF BEING CONNECTED THROUGH AN IMPEDANCE OF SAID FIRST CURRENT CARRYING TERMINAL, (3) SAID CONTROL TERMINAL BEING CONNECTED TO SAID RESISTIVE VOLTAGE DIVIDER INTERMEDIATE THE ENDS THEREOF, (4) CAPACITIVE MEANS CONNECTED IN PARALLEL WITH SAID RESISTIVE VOLTAGE DIVIDER, AND (5) MEANS INTERCONNECTING INTERMEDIATE POINTS OF SAID CAPACITIVE MEANS AND SAID RESISTIVE VOLTAGE DIVIDER.
References Cited (Backward Citations)
US2817761A
Cited
US3189823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |