US3202960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic doppler speed measurement device
Assignee: Motorola Solutions Inc
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Filing: 1962-03-28
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Granted: 1965-08-24
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Expires: 1982-03-28
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Galbraith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:42
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/02; G01S15/50; G01S15/58; G01S15/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
176 words
A SYSTEM FOR PRODUCING AN OUTPUT PULSE WAVE WHICH INDICATES THE DIFFERENCE IN FREQUENCY BETWEEN FIRST AND SECOND WAVES INCLUDING IN COMBINATION, FIRST AND SECOND PULSE SQUARER MEANS, MEANS FOR APPLYING SAID FIRST AND SECOND WAVES TO SAID FRIST AND PULSE SQUARER MEANS RESPECTIVELY FOR PRODUCING FIRST AND SECOND OUTPUT PULSE WAVES, FIRST AND SECOND INHIBIT GATE MEANS, MEANS FOR APPLYING SAID FIRST AND SECOND PULSE WAVES TO SAID FIRST AND SECOND GATE MEANS RESPECTIVELY, MEANS APPLYING SAID FIRST PULSE WAVE TO SAID SECOND GATE MEANS TO INGIBIT ACTION THEREOF, COINCIDENT GATE MEANS PRODUCING A PULSE WHEN PULSE OF SAID FIRST AND SECOND PULSE WAVES OCCUR SIMULTANEOUSLY, DELAY MEANS COUPLED TO SAID COINCIDENT GATE MEANS FOR PRODUCING A DELAYED PULSE IN RESPONSE TO A PULSE FROM SAID COINCIDENCE GATE MEANS, MEANS APPLYING SAID SECOND PULSE WAVE AND SAID DELAYED PULSE TO SAID FIRST GATE MEANS TO INHIBIT ACTION THEREOF, AND MULTIVIBRATOR MEANS COUPLED TO SAID FIRST AND SECOND GATE MEANS FOR PRODUCING AN OUTPUT PULSE IN RESPONSE TO PULSES FROM SAID FIRST AND SECOND GATE MEANS.
Claim 2
Independent Claim
176 words
A SYSTEM FOR PRODUCING AN OUTPUT PULSE WAVE WHICH INDICATES THE DIFFERENCE IN FREQUENCY BETWEEN FIRST AND SECOND WAVES INCLUDING IN COMBINATION, FIRST AND SECOND PULSE SQUARER MEANS, MEANS FOR APPLYING SAID FIRST AND SECOND WAVES TO SAID FRIST AND PULSE SQUARER MEANS RESPECTIVELY FOR PRODUCING FIRST AND SECOND OUTPUT PULSE WAVES, FIRST AND SECOND INHIBIT GATE MEANS, MEANS FOR APPLYING SAID FIRST AND SECOND PULSE WAVES TO SAID FIRST AND SECOND GATE MEANS RESPECTIVELY, MEANS APPLYING SAID FIRST PULSE WAVE TO SAID SECOND GATE MEANS TO INGIBIT ACTION THEREOF, COINCIDENT GATE MEANS PRODUCING A PULSE WHEN PULSE OF SAID FIRST AND SECOND PULSE WAVES OCCUR SIMULTANEOUSLY, DELAY MEANS COUPLED TO SAID COINCIDENT GATE MEANS FOR PRODUCING A DELAYED PULSE IN RESPONSE TO A PULSE FROM SAID COINCIDENCE GATE MEANS, MEANS APPLYING SAID SECOND PULSE WAVE AND SAID DELAYED PULSE TO SAID FIRST GATE MEANS TO INHIBIT ACTION THEREOF, AND MULTIVIBRATOR MEANS COUPLED TO SAID FIRST AND SECOND GATE MEANS FOR PRODUCING AN OUTPUT PULSE IN RESPONSE TO PULSES FROM SAID FIRST AND SECOND GATE MEANS.
Claim 3
Dependent Claim
258 words
A NAVIGATION SYSTEM INCLUDING IN COMBINATION, GENERATOR MEANS FOR PRODUCING A FIRST ELECTRICAL WAVE, TRANSDUCER MEANS FOR CONVERTING AN ELECTRICAL WAVE TO A COMPRESSIONAL WAVE AND FOR PROPAGATING SUCH COMPRESSIONAL WAVE AND FOR RECEIVING A COMPRESSIONAL WAVE AND CONVERTING THE SAME INTO AN ELECTRICAL WAVE, SAID TRANSDUCER MEANS INCLUDING AN INPUT TERMINAL FOR RECEIVING AN ELECTRICAL WAVE FOR CONVERSION TO A COMPRESSIONAL WAVE AND AN OUTPUT TERMINAL AT WHICH APPEARS AN ELECTRICAL WAVE DERIVED FROM THE RECEIVED COMPRESSIONAL WAVE, MEANS COUPLING SAID GENERATOR MEANS TO SAAID INPUT TERMINAL OF SAID TRANSDUCER MEANS WHEREBY SAID TRANSDUCER MEANS CONVERTS SAID FIRST ELECTRICAL WAVE INTO A COMPRESSIONAL WAVE AND PROPAGATES SUCH COMPRESSIONAL WAVE, SAID TRANSDUCER MEANS RECEIVING SAID COMPRESSIONAL WAVE AFTER REFLECTION AND CONVERTING THE SAME INTO A SECOND ELECTRICAL WAVE WHICH APPEARS AT SAID OUTPUT TERMINAL, AMPLIFIER MEANS COUPLED TO SAID OUTPUT TERMINAL OF SAID TRANSDUCER MEANS FOR AMPLYFING SAID SECOND ELECTRICAL ING SAID CONTROL SIGNAL, MEANS COUPLING SAID INTEGRATOR THE FREQUENCY OF SAID SECOND ELECTRICAL WAVE, INTEGRATOR MEANS FOR PRODUCING A CONTROL SIGNAL WHICH VARIES WITH MEANS COUPLED TO SAID DISCRIMINATOR MEANS FOR SMOOTHWAVE, DISCRIMINATOR MEANS COUPLED TO SAID AMPLIFIER MEANS TO SAID GENERATOR MEANS FOR CONTROLLING THE FREQUENCY OF SAID FIRST ELECTRICL WAVE TO MINIMIZE SAID CONTROL SIGNAL, A BAND PASS FILTER COUPLED TO SAID AMPLIFIER MEANS FOR SHARPLY SELECTING SAID SECOND ELECTRICAL WAVE, PULSE SQUARER MEANS COUPLED TO SAID BAND PASS FILTER AND TO SAID GENERATOR MEANS FOR CONVERTING THE ELECTRICAL WAVES THEREFROM INTO RECTANGULAR WAVES, AND MEANS COUPLED TO SAID PULSE SQUARER MEANS FOR PROCESSING SAID
Claim 4
Dependent Claim
258 words
A NAVIGATION SYSTEM INCLUDING IN COMBINATION, GENERATOR MEANS FOR PRODUCING A FIRST ELECTRICAL WAVE, TRANSDUCER MEANS FOR CONVERTING AN ELECTRICAL WAVE TO A COMPRESSIONAL WAVE AND FOR PROPAGATING SUCH COMPRESSIONAL WAVE AND FOR RECEIVING A COMPRESSIONAL WAVE AND CONVERTING THE SAME INTO AN ELECTRICAL WAVE, SAID TRANSDUCER MEANS INCLUDING AN INPUT TERMINAL FOR RECEIVING AN ELECTRICAL WAVE FOR CONVERSION TO A COMPRESSIONAL WAVE AND AN OUTPUT TERMINAL AT WHICH APPEARS AN ELECTRICAL WAVE DERIVED FROM THE RECEIVED COMPRESSIONAL WAVE, MEANS COUPLING SAID GENERATOR MEANS TO SAAID INPUT TERMINAL OF SAID TRANSDUCER MEANS WHEREBY SAID TRANSDUCER MEANS CONVERTS SAID FIRST ELECTRICAL WAVE INTO A COMPRESSIONAL WAVE AND PROPAGATES SUCH COMPRESSIONAL WAVE, SAID TRANSDUCER MEANS RECEIVING SAID COMPRESSIONAL WAVE AFTER REFLECTION AND CONVERTING THE SAME INTO A SECOND ELECTRICAL WAVE WHICH APPEARS AT SAID OUTPUT TERMINAL, AMPLIFIER MEANS COUPLED TO SAID OUTPUT TERMINAL OF SAID TRANSDUCER MEANS FOR AMPLYFING SAID SECOND ELECTRICAL ING SAID CONTROL SIGNAL, MEANS COUPLING SAID INTEGRATOR THE FREQUENCY OF SAID SECOND ELECTRICAL WAVE, INTEGRATOR MEANS FOR PRODUCING A CONTROL SIGNAL WHICH VARIES WITH MEANS COUPLED TO SAID DISCRIMINATOR MEANS FOR SMOOTHWAVE, DISCRIMINATOR MEANS COUPLED TO SAID AMPLIFIER MEANS TO SAID GENERATOR MEANS FOR CONTROLLING THE FREQUENCY OF SAID FIRST ELECTRICL WAVE TO MINIMIZE SAID CONTROL SIGNAL, A BAND PASS FILTER COUPLED TO SAID AMPLIFIER MEANS FOR SHARPLY SELECTING SAID SECOND ELECTRICAL WAVE, PULSE SQUARER MEANS COUPLED TO SAID BAND PASS FILTER AND TO SAID GENERATOR MEANS FOR CONVERTING THE ELECTRICAL WAVES THEREFROM INTO RECTANGULAR WAVES, AND MEANS COUPLED TO SAID PULSE SQUARER MEANS FOR PROCESSING SAID
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |