US3329774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multichannel pulse modulation communication device
Assignee: Lockheed Martin Corp
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Filing: 1963-11-29
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Granted: 1967-07-04
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Richard W Bradmiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:07
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MODULATOR FOR USE IN A MULTI-CHANNEL TRANSMITTER OF PULSE MODULATED HIGH FREQUENCIES COMPRISING, IN COMBINATION: (A) MODULATING MEANS FOR INDEPENDENTLY MODULATING A PLURALITY OF FREQUENCIES WITH INFORMATION PULSES; (B) SUMMING MEANS COUPLED TO SAID MODULATING MEANS FOR SUMMING SAID PLURALITY OF PULSE MODULATED FREQUENCIES; (C) SHAPING ME ANS FOR PROVIDING RELATIVELY NARROW BANDWIDTH PULSES WHICH ARE POSITIONED IN TIME TO CORRESPOND WITH SAID INFORMATION PULSES; AND (D) MIXING MEANS COUPLED TO SAID SUMMING MEANS AND TO SAID SHAPING MEANS FOR ENVELOPE MODULATING SAID
Claim 2
Dependent Claim
84 words
A MODULATOR FOR USE IN A MULTI-CHANNEL TRANSMITTER OF PULSE MODULATED HIGH FREQUENCIES COMPRISING, IN COMBINATION: (A) MODULATING MEANS FOR INDEPENDENTLY MODULATING A PLURALITY OF FREQUENCIES WITH INFORMATION PULSES; (B) SUMMING MEANS COUPLED TO SAID MODULATING MEANS FOR SUMMING SAID PLURALITY OF PULSE MODULATED FREQUENCIES; (C) SHAPING ME ANS FOR PROVIDING RELATIVELY NARROW BANDWIDTH PULSES WHICH ARE POSITIONED IN TIME TO CORRESPOND WITH SAID INFORMATION PULSES; AND (D) MIXING MEANS COUPLED TO SAID SUMMING MEANS AND TO SAID SHAPING MEANS FOR ENVELOPE MODULATING SAID
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |