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US3105950A Expired / Lapsed US ⏱️ 0.0 years remaining

Bandwidth compression system

Assignee: Hrb-Singer Inc
•
Filing: 1960-04-19
•
Granted: 1963-10-01
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Expires: 1980-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 David E Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:34
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.

References Cited (Backward Citations)

US2500638A Cited
US2537056A Cited
US2631270A Cited
US2637812A Cited
US2766325A Cited
US2782412A Cited
US2968022A Cited
US2911625A Cited
US2907021A Cited
US2968724A Cited
US2864081A Cited
US3037166A Cited

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

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