US3316487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna amplifier for transceiver
Assignee: ANTENNA SPECIALISTS CO
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Filing: 1963-05-20
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Granted: 1967-04-25
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Milton R Friedberg
- 👤 Ralph O Bykerk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:45
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/02; H04B1/03; H04B1/034; H04B1/38; H04B1/40; H04B1/44; H04B1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN ADJUNCT TO BE INTERPOSED BETWEEN AN ANTENNA AND THE TRANSMIT AND RECEIVE FUNCTIONS OF A TRANSCEIVER COMPRISING A RADIO-FREQUENCY INPUT CONNECTION TO SAID TRANSCEIVER; A RADIO-FREQUENCY OUTPUT CONNECTION TO SAID ANTENNA; A FIRST CIRCUITRY BETWEEN THE SAID RADIO-FREQUENCY INPUT AND OUTPUT CONNECTIONS OF SAID ADJUNCT INCLUDING AN OUTPUT AMPLIFIER HAVING A CONTROL OF GRID AND ADAPTED TO AMPLIFY AT LEAST UP TO A PRE-DETERMINED WATTAGE A PORTION OF MODULATED INPUT RADIO-FREQUENCY ENERGY CONSTITUTING A TRANSMIT SIGNAL, IF THE ENERGY OF SAID TRANSMIT SIGNAL IS LESS THAN THE PRE-DETERMINED WATTAGE; AT LEAST ONE CUT-OFF CIRCUIT WITHIN SAID FIRST CIRCUITRY HAVING BIAS VOLTAGE AND RESISTANCE VALUES PREVENTING THE OUTPUT OF RADIO-FREQUENCY ENERGY IN EXCESS OF SAID PRE-DETERMINED WATTAGE; A SECOND CIRCUITRY IN PARALLEL WITH SAID FIRST CIRCUITY ADAPTED TO RECEIVE A SECOND PORTION OF SAID MODULATED INPUT ENERGY AND MODULATE A VOLTAGE ACCORDING TO THE MODULATION OF SAID INPUT ENERGY, SAID MODULATED VOLTAGE BEING IMPRESSED ON THE CONTROL GRID OF THE OUTPUT AMPLIFIER OF SAID FIRST CIRCUITRY, WHEREBY THE OUTPUT OF SAID FIRST CIRCUITRY IS
Claim 2
Dependent Claim
174 words
AN ADJUNCT TO BE INTERPOSED BETWEEN AN ANTENNA AND THE TRANSMIT AND RECEIVE FUNCTIONS OF A TRANSCEIVER COMPRISING A RADIO-FREQUENCY INPUT CONNECTION TO SAID TRANSCEIVER; A RADIO-FREQUENCY OUTPUT CONNECTION TO SAID ANTENNA; A FIRST CIRCUITRY BETWEEN THE SAID RADIO-FREQUENCY INPUT AND OUTPUT CONNECTIONS OF SAID ADJUNCT INCLUDING AN OUTPUT AMPLIFIER HAVING A CONTROL OF GRID AND ADAPTED TO AMPLIFY AT LEAST UP TO A PRE-DETERMINED WATTAGE A PORTION OF MODULATED INPUT RADIO-FREQUENCY ENERGY CONSTITUTING A TRANSMIT SIGNAL, IF THE ENERGY OF SAID TRANSMIT SIGNAL IS LESS THAN THE PRE-DETERMINED WATTAGE; AT LEAST ONE CUT-OFF CIRCUIT WITHIN SAID FIRST CIRCUITRY HAVING BIAS VOLTAGE AND RESISTANCE VALUES PREVENTING THE OUTPUT OF RADIO-FREQUENCY ENERGY IN EXCESS OF SAID PRE-DETERMINED WATTAGE; A SECOND CIRCUITRY IN PARALLEL WITH SAID FIRST CIRCUITY ADAPTED TO RECEIVE A SECOND PORTION OF SAID MODULATED INPUT ENERGY AND MODULATE A VOLTAGE ACCORDING TO THE MODULATION OF SAID INPUT ENERGY, SAID MODULATED VOLTAGE BEING IMPRESSED ON THE CONTROL GRID OF THE OUTPUT AMPLIFIER OF SAID FIRST CIRCUITRY, WHEREBY THE OUTPUT OF SAID FIRST CIRCUITRY IS
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |