US3153196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optimum coding technique
Assignee: Lockheed Martin Corp
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Filing: 1962-04-19
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Granted: 1964-10-13
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Hubert E Mcguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:35
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/17; H04B; H04B14/00; H04B14/02; H04B14/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A TRANSMITTER BLANKING CIRCUIT FOR BLANKING UNMODULATED KEYING PULSES EMANATING FROM A PULSE POSITION MODULATOR, SAID KEYING PULSES BEING POSITIONED IN TIME FRAMES INITIATED BY CLOCK PULSES, SAID CIRCUIT COMPRISING A SOURCE OF CLOCK PULSES, MEANS RESPONSIVE TO SAID CLOCK PULSES FOR PRODUCING A TRIGGERING SIGNAL PRECEDING THE MIDDLE OF SAID TIME FRAMES, MEANS RESPONSIVE TO SAID TRIGGERING SIGNAL FOR PRODUCING A BLANKING WAVEFORM WHICH SPANS THE MIDDLE OF SAID TIME FRAME, AND AN INHIBIT GATE, SAID KEYING PULSES AND SAID BLANKING WAVEFORM BEING CONNECTED TO SAID INHIBIT GATE SO THAT KEYING PULSES OCCURRING AT THE CENTER OF SAID TIME FRAME DO NOT PASS THROUGH SAID INHIBIT GATE.
Claim 2
Dependent Claim
108 words
A TRANSMITTER BLANKING CIRCUIT FOR BLANKING UNMODULATED KEYING PULSES EMANATING FROM A PULSE POSITION MODULATOR, SAID KEYING PULSES BEING POSITIONED IN TIME FRAMES INITIATED BY CLOCK PULSES, SAID CIRCUIT COMPRISING A SOURCE OF CLOCK PULSES, MEANS RESPONSIVE TO SAID CLOCK PULSES FOR PRODUCING A TRIGGERING SIGNAL PRECEDING THE MIDDLE OF SAID TIME FRAMES, MEANS RESPONSIVE TO SAID TRIGGERING SIGNAL FOR PRODUCING A BLANKING WAVEFORM WHICH SPANS THE MIDDLE OF SAID TIME FRAME, AND AN INHIBIT GATE, SAID KEYING PULSES AND SAID BLANKING WAVEFORM BEING CONNECTED TO SAID INHIBIT GATE SO THAT KEYING PULSES OCCURRING AT THE CENTER OF SAID TIME FRAME DO NOT PASS THROUGH SAID INHIBIT GATE.
References Cited (Backward Citations)
US2547001A
Cited
US2624797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |