Patent US3105950A successfully refreshed from Google Patents.
US3105950A
Expired / Lapsed
US
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Bandwidth compression system
Assignee: Hrb-Singer Inc
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Filing: 1960-04-19
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Granted: 1963-10-01
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Expires: 1980-04-19
Abstract
No abstract record available.
Inventors
- 👤 David E Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:16
CPC Classifications
H; H03; H03M; H03M1/00; E; E21; E21B; E21B47/00; E21B47/12; E21B47/14; H04; H04B; H04B1/00; H04B1/66; H04B1/662; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A SYSTEM FOR THE TRANSMISSION WITHIN A NARROW FREQUENCY BAND OF INFORMATION DERIVED FROM THE TRANSMISSION OF A DRIVING PULSE AND THE RECEPTION OF A GROUP OF ECHO PULSES COMPRISING MEANS FOR INITIATING A FIRST PULSE RESPONSIVE TO THE TRANSMISSION OF SAID DRIVING PULSE, MEANS FOR TERMINATING A FIRST PULSE RESPONSIVE TO THE RECEPTION OF SAID ECHO PULSES AND MEANS FOR GENERATING A PULSE TRAIN RESPONSIVE TO SAID GROUP OF ECHO PULSES, SAID PULSE TRAIN HAVING A SPACING BETWEEN PULSES PROPORTIONAL TO THE SPACING BETWEEN ECHO PULSES IN SAID GROUP AND MEANS FOR TRANSMITTING SAID FIRST PULSE AND SAID PULSE TRAIN IN SEQUENCE.
Claim 2
Independent Claim
103 words
A SYSTEM FOR THE TRANSMISSION WITHIN A NARROW FREQUENCY BAND OF INFORMATION DERIVED FROM THE TRANSMISSION OF A DRIVING PULSE AND THE RECEPTION OF A GROUP OF ECHO PULSES COMPRISING MEANS FOR INITIATING A FIRST PULSE RESPONSIVE TO THE TRANSMISSION OF SAID DRIVING PULSE, MEANS FOR TERMINATING A FIRST PULSE RESPONSIVE TO THE RECEPTION OF SAID ECHO PULSES AND MEANS FOR GENERATING A PULSE TRAIN RESPONSIVE TO SAID GROUP OF ECHO PULSES, SAID PULSE TRAIN HAVING A SPACING BETWEEN PULSES PROPORTIONAL TO THE SPACING BETWEEN ECHO PULSES IN SAID GROUP AND MEANS FOR TRANSMITTING SAID FIRST PULSE AND SAID PULSE TRAIN IN SEQUENCE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |