Patent US3348151A successfully refreshed from Google Patents.
US3348151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dc power supply and amplitude modulator
Assignee: Boeing Co
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Filing: 1965-03-08
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Granted: 1967-10-17
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 James F Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:39
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/16; H03C1/18; H03C1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
285 words
A RADIO FREQUENCY TRANSMISSION SYSTEM COMPRISING IN COMBINATION: TRIGGER CIRCUIT MEANS RESPONSIVE TO APPLIED INFORMATION SIGNALS TO PROVIDE A SERIES OF TRIGGER SIGNALS SEPARATED IN TIME IN PROPORTION TO THE MODULATION OF SAID INFORMATION SIGNALS APPLIED THERETO; FIRST AND SECOND MONOSTABLE PULSE GENERATORS EACH RESPONSIVE TO AN APPLIED CONTROL SIGNAL TO CHANGE TO AN UNSTABLE CONDITION FOR A CONSTANT TIME INTERVAL AND TO THEN REVERT TO ITS STABLE CONDITION; CIRCUIT MEANS COUPLING SAID TRIGGER CIRCUIT MEANS WITH SAID FIRST MONOSTABLE PULSE GENERATOR FOR COUPLING SAID TRIGGER SIGNALS TO SAID FIRST MONISTABLE PULSE GENERATOR AS CONTROL SIGNALS; CIRCUIT MEANS COUPLING SAID SECOND MONOSTABLE PULSE GENERATOR WITH SAID FIRST MONOSTABLE PULSE GENERATOR FOR COUPLING A CONTROL SIGNAL TO SAID SECOND MONOSTABLE PULSE GENERATOR EACH TIME SAID FIRST MONOSTABLE PULSE GENERATOR REVERTS TO ITS STABLE CONDITION; POWER SWITCHING AND PULSE AMPLIFIER MEANS COUPLED WITH SAID FIRST AND SECOND MONOSTABLE PULSE GENERATORS FOR PROVIDING HIGH VOLTAGE OUTPUT SIGNALS EACH HAVING SUBSTANTIALLY INDENTICAL WAVESHAPE, EACH LASTING FOR THE SAME CONSTANT TIME, AND EACH SPACED FROM A PRECEDING OUTPUT SIGNAL BY A TIME EQUAL TO THE TIME BETWEEN REVERSION OF SAID SECOND MONOSTABLE PULSE GENERATOR TO ITS STABLE CONDITION AND THE TRIGGERING OF SAID FIRST MONOSTABLE PULSE GENERATOR TO ITS SAID UNSTABLE CONDITION; A RADIO FREQUENCY TRANSMITTER HAVING FIRST SIGNAL INPUT CIRCUIT MEANS FOR THE APPLICATION OF CARRIER FREQUENCY ENERGY THERETO AND SECOND SIGNAL AND POWER INPUT CIRCUIT MEANS FOR THE APPLICATION OF OPERATING POWER AND MODULATION INFORMATION THERETO; AND CIRCUIT MEANS COUPLING THE OUTPUT OF SAID POWER SWITCHING AND PULSES AMPLIFIER MEANS TO THE SAID SECOND SIGNAL AND POWER INPUT CIRCUIT MEANS OF SAID RADIO FREQUENCY TRANSMITTER FOR APPLYING SIMULTANEOUSLY TO SAID RADIO FREQUENCY TRANSMITTER OPERATING POWER AND MODULATION INFORMATION.
References Cited (Backward Citations)
US3040271A
Cited
US3102234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |