US3274492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmitting device for the transmission of amplitude-modulated oscillations
Assignee: US Philips Corp
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Filing: 1962-04-09
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Granted: 1966-09-20
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Theodorus Jozef Van Kessel
- 👤 Uijen Joannes Maria Albertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
H; H03; H03G; H03G7/00; H03G7/06; H03C; H03C1/00; H03C1/52; H03C1/60; H04; H04B; H04B1/00; H04B1/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A TRANSMITTER FOR TRANSMITTING COMPATIBLE SINGLE SIDEBANDS SIGNALS OF THE TYPE COMPRRISING A CARRIER OSCILLATION OF PREDETERMINED FREQUENCY AND A SINGLE SIDEBAND THEREOF MODULATED WITH INFORMATION SIGNALS, SAID TRANSMITTER COMPRISING A SOURCE OF A FIRST SINGLE SIDEBAND SIGNAL INCLUDING A FIRST CARRIER OF HALF SAID PREDETERMINED FREQUENCY AND ONLY ONE SIDEBAND THEREOF MODULATED WITH AN INFORMATION SIGNAL, AMPLITUDE MODULATOR MEANS, FIRST AND SECOND SIGNAL PATHS CONNECTED TO SAID AMPLITUDE MODULATOR MEANS, MEANS FOR APPLYING SAID FIRST SINGLE SIDEBAND SIGNAL TO SAID FIRST AND SECOND SIGNAL PATHS WHEREBY THE SIGNALS APPLIED TO SAID MODULATOR MEANS BY WAY OF SAID FIRST AND SECOND PATHS ARE MULTIPLIED IN SAID MODULATOR MEANS AND MEANS FOR TRANSMITTING THE OUTPUT OF SAID AMPLITUDE MODULATOR MEANS IN THE SIGNAL BAND AT SAID PREDETERMINED FREQUENCY.
Claim 2
Dependent Claim
127 words
A TRANSMITTER FOR TRANSMITTING COMPATIBLE SINGLE SIDEBANDS SIGNALS OF THE TYPE COMPRRISING A CARRIER OSCILLATION OF PREDETERMINED FREQUENCY AND A SINGLE SIDEBAND THEREOF MODULATED WITH INFORMATION SIGNALS, SAID TRANSMITTER COMPRISING A SOURCE OF A FIRST SINGLE SIDEBAND SIGNAL INCLUDING A FIRST CARRIER OF HALF SAID PREDETERMINED FREQUENCY AND ONLY ONE SIDEBAND THEREOF MODULATED WITH AN INFORMATION SIGNAL, AMPLITUDE MODULATOR MEANS, FIRST AND SECOND SIGNAL PATHS CONNECTED TO SAID AMPLITUDE MODULATOR MEANS, MEANS FOR APPLYING SAID FIRST SINGLE SIDEBAND SIGNAL TO SAID FIRST AND SECOND SIGNAL PATHS WHEREBY THE SIGNALS APPLIED TO SAID MODULATOR MEANS BY WAY OF SAID FIRST AND SECOND PATHS ARE MULTIPLIED IN SAID MODULATOR MEANS AND MEANS FOR TRANSMITTING THE OUTPUT OF SAID AMPLITUDE MODULATOR MEANS IN THE SIGNAL BAND AT SAID PREDETERMINED FREQUENCY.
References Cited (Backward Citations)
US3002161A
Cited
US3039060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |