Patent US3737778A successfully refreshed from Google Patents.
US3737778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the transmission of synchronous pulse signals
Assignee: Koninklijke Philips NV
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Filing: 1971-11-04
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Granted: 1973-06-05
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Expires: 1991-11-04
Abstract
Abstract A receiver for a synchronous pulse signal formed with the clock, carrier, and shift frequencies having mutual ratios of integers. The receiver has two channels controlled by a clock pulse generator synchronized to a received signal and followed by a pulse regenerator. The receiver is well suited for an embodiment using integrated circuits.
Inventors
- 👤 Gerwen P Van
- 👤 W Harmsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/0008
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
122 words
A pulse transmission receiver for bandwidth limited modulated pulse signals having a carrier frequency that is on integral multiple of the clock frequency, said receiver comprising a local clock pulse generator, an inverter, means to couple said signals to said inverter, a first sampLer coupled to said inverter, a second sampler, means to couple said signals to said second sampler, two adjustable reference voltage sources coupled to said first and second samplers respectively, said sources being adjustable in accordance with the type of modulation of said pulse signals, said first and second samplers comprising means for directly sampling said modulated pulse signals and being controlled by said local clock pulse generator, and a pulse regenerator coupled to said first and second samplers.
Claim 2
Dependent Claim
122 words
A pulse transmission receiver for bandwidth limited modulated pulse signals having a carrier frequency that is on integral multiple of the clock frequency, said receiver comprising a local clock pulse generator, an inverter, means to couple said signals to said inverter, a first sampLer coupled to said inverter, a second sampler, means to couple said signals to said second sampler, two adjustable reference voltage sources coupled to said first and second samplers respectively, said sources being adjustable in accordance with the type of modulation of said pulse signals, said first and second samplers comprising means for directly sampling said modulated pulse signals and being controlled by said local clock pulse generator, and a pulse regenerator coupled to said first and second samplers.
Claim 3
Dependent Claim
23 words
A receiver as claimed in claim 1, further comprising a clock frequency extractor for synchronizing said local clock pulse generator to received signals.
Claim 4
Dependent Claim
28 words
A receiver as claimed in claim 1, further comprising means for receiving a pilot signal and means for synchronizing said local clock pulse generator to said pilot signal.
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) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |