US3327063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission of information in powercoded bipolar waveforms
Assignee: International Business Machines Corp
•
Filing: 1966-01-14
•
Granted: 1967-06-20
•
Expires: 1986-01-14
Abstract
No abstract record available.
Inventors
- 👤 Winslow R Remley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:58
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/66; G; G10; G10L; G10L25/00; H04B1/62; H04B1/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
APPARATUS FOR TRANSMITTING A COMPLEX WAVE, SAID WAVE CHARACTERIZED BY VARIATIONS IN AMPLITUDE AND TIMEVARYING ZERO-AXIS CROSSINGS COMPRISING: MEANS FOR ADDING A CONSTANT AMPLITUDE REFERENCE SIGNAL HAVING AN AMPLITUDE GREATER THAN THAT OF THE COMPLEX WAVE AND HAVING A FREQUENCY WHICH IS GREATER THAN THE HIGHEST SIGNIFICANT FREQUENCY COMPONENT IN, AND OUTSIDE THE FREQUENCY BAND OF, THE COMPLEX WAVE, TO THE COMPLEX WAVE, TO THEREBY PRODUCE A SUM SIGNAL; MEANS FOR CONVERTING SAID SUM SIGNAL TO A BIPOLAR WAVEFORM OF CONSTANT AMPLITUDE, SAID BIPOLAR WAVEFORM HAVING ZERO-AXIS CROSSINGS CORRESPONDING TO THE ZERO AXIS CROSSINGS OF THE SUM SIGNAL; MEANS FOR TRANSMITTING SAID BIPOLAR WAVEFORM; SEPARATING MEANS IN A RECEIVER RESPONSIVE TO SAID TRANSMITTING MEANS FOR SEPARATING FROM SAID SERIES OF PULSES THE FREQUENCY BAND OF THE REFERENCE SIGNAL AND THE FREQUENCY BAND OF THE COMPLEX WAVE TO PRODUCE RESPECTIVELY A SEPARATED REFERENCE SIGNAL AND A SEPARATED COMPLEX WAVE; AND REGULATING MEANS IN THE RECEIVER FOR REGULATING THE LEVEL OF THE SEPARATED COMPLEX WAVE IN RESPONSE TO THE LEVEL OF THE SEPARATED REFERENCE SIGNAL.
Claim 2
Dependent Claim
173 words
APPARATUS FOR TRANSMITTING A COMPLEX WAVE, SAID WAVE CHARACTERIZED BY VARIATIONS IN AMPLITUDE AND TIMEVARYING ZERO-AXIS CROSSINGS COMPRISING: MEANS FOR ADDING A CONSTANT AMPLITUDE REFERENCE SIGNAL HAVING AN AMPLITUDE GREATER THAN THAT OF THE COMPLEX WAVE AND HAVING A FREQUENCY WHICH IS GREATER THAN THE HIGHEST SIGNIFICANT FREQUENCY COMPONENT IN, AND OUTSIDE THE FREQUENCY BAND OF, THE COMPLEX WAVE, TO THE COMPLEX WAVE, TO THEREBY PRODUCE A SUM SIGNAL; MEANS FOR CONVERTING SAID SUM SIGNAL TO A BIPOLAR WAVEFORM OF CONSTANT AMPLITUDE, SAID BIPOLAR WAVEFORM HAVING ZERO-AXIS CROSSINGS CORRESPONDING TO THE ZERO AXIS CROSSINGS OF THE SUM SIGNAL; MEANS FOR TRANSMITTING SAID BIPOLAR WAVEFORM; SEPARATING MEANS IN A RECEIVER RESPONSIVE TO SAID TRANSMITTING MEANS FOR SEPARATING FROM SAID SERIES OF PULSES THE FREQUENCY BAND OF THE REFERENCE SIGNAL AND THE FREQUENCY BAND OF THE COMPLEX WAVE TO PRODUCE RESPECTIVELY A SEPARATED REFERENCE SIGNAL AND A SEPARATED COMPLEX WAVE; AND REGULATING MEANS IN THE RECEIVER FOR REGULATING THE LEVEL OF THE SEPARATED COMPLEX WAVE IN RESPONSE TO THE LEVEL OF THE SEPARATED REFERENCE SIGNAL.
References Cited (Backward Citations)
US3167720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |