Patent EP0437063A2 successfully refreshed from Google Patents.
US3170127A
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Amplitude modulation system
Assignee: Lanteris Space LLC
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Filing: 1961-04-21
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Granted: 1965-02-16
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 Bruce G Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:09
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN AN OUTPHASING AMPLITUDE-MODULATION SYSTEM, APPARATUS FOR PRODUCING TWO CONSTANT-AMPLITUDE PHASE-DISPLACED SIGNALS WHICH ARE OPPOSITELY PHASE-MODULATED ACCORDING TO A MODULATION SIGNAL, COMPRISING MEANS FOR ADDING THE MODULATION SIGNAL TO A CARRIER SIGNAL, MEANS FOR LIMITING THE RESULTING SIGNAL TO PRODUCE A RECTANGULAR WAVE SIGNAL, MEANS FOR PRODUCING A SECOND RECTANGULAR WAVE SIGNAL OF OPPOSITE PHASE IN RELATION TO SAID FIRST RECTANGULAR WAVE SIGAL, MEANS FOR DIFFERENTIATING SAID RECTANGULAR WAVE SIGNALS TO PRODUCE TWO SPIKE SIGNALS, AND MEANS FOR PRODUCING FROM THE LATTER SIGNALS THE DESIRED TWO OPPOSITELY PHASE-MODULATED SIGNALS.
Claim 2
Dependent Claim
89 words
IN AN OUTPHASING AMPLITUDE-MODULATION SYSTEM, APPARATUS FOR PRODUCING TWO CONSTANT-AMPLITUDE PHASE-DISPLACED SIGNALS WHICH ARE OPPOSITELY PHASE-MODULATED ACCORDING TO A MODULATION SIGNAL, COMPRISING MEANS FOR ADDING THE MODULATION SIGNAL TO A CARRIER SIGNAL, MEANS FOR LIMITING THE RESULTING SIGNAL TO PRODUCE A RECTANGULAR WAVE SIGNAL, MEANS FOR PRODUCING A SECOND RECTANGULAR WAVE SIGNAL OF OPPOSITE PHASE IN RELATION TO SAID FIRST RECTANGULAR WAVE SIGAL, MEANS FOR DIFFERENTIATING SAID RECTANGULAR WAVE SIGNALS TO PRODUCE TWO SPIKE SIGNALS, AND MEANS FOR PRODUCING FROM THE LATTER SIGNALS THE DESIRED TWO OPPOSITELY PHASE-MODULATED SIGNALS.
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |