US3245073A
Expired / Lapsed
US
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Sampled-data servo with stabilizing inner loop
Assignee: Bendix Corp
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Filing: 1962-12-12
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Granted: 1966-04-05
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Strunk Benjamin
- 👤 William H Lasch
- 👤 David H Blauvelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:09
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/18; G05D3/183; H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SAMPLE DATA SERVOR FOR PROVIDING AN OUTPUT IN ACCORDANCE WITH AS DIGITAL SIGNAL, COMPRISING A COUNTER RESPONSIVE TO THE DIGITAL SIGNAL, A STOP-COUNT-AT-ZERO CIRCUIT CONNECTED TO THE COUNTER, AN OSCILLATOR FOR PROVIDING PULSES, A POWER DRIVER CIRCUIT, A STEPPER MOTOR CONNECTED TO THE POWER DRIVER CIRCUIT AND ENERGIZED THEREBY, AND GATING MEANS, HAVING A FIRST INPUT CONNECTED TO THE STOPCOUNT-AT-ZERO CIRCUIT AND A SECOND INPUT CONNECTED TO THE OSCILLATOR AND HAVING AN OUTPUT CONNECTED TO THE COUNTER AND TO THE POWER DRIVER CIRCUIT, THE GATING MEANS APPLYING PULSES FROM THE OSCILLATOR TO THE COUNTER FOR COUNTING THE PULSES AND THE POWER DRIVER CIRCUIT FOR OPERATING THE MOTOR TO PROVIDE AN OUTPUT IN ACCORDANCE WITH THE DIGITAL SIGNAL.
Claim 2
Dependent Claim
118 words
A SAMPLE DATA SERVOR FOR PROVIDING AN OUTPUT IN ACCORDANCE WITH AS DIGITAL SIGNAL, COMPRISING A COUNTER RESPONSIVE TO THE DIGITAL SIGNAL, A STOP-COUNT-AT-ZERO CIRCUIT CONNECTED TO THE COUNTER, AN OSCILLATOR FOR PROVIDING PULSES, A POWER DRIVER CIRCUIT, A STEPPER MOTOR CONNECTED TO THE POWER DRIVER CIRCUIT AND ENERGIZED THEREBY, AND GATING MEANS, HAVING A FIRST INPUT CONNECTED TO THE STOPCOUNT-AT-ZERO CIRCUIT AND A SECOND INPUT CONNECTED TO THE OSCILLATOR AND HAVING AN OUTPUT CONNECTED TO THE COUNTER AND TO THE POWER DRIVER CIRCUIT, THE GATING MEANS APPLYING PULSES FROM THE OSCILLATOR TO THE COUNTER FOR COUNTING THE PULSES AND THE POWER DRIVER CIRCUIT FOR OPERATING THE MOTOR TO PROVIDE AN OUTPUT IN ACCORDANCE WITH THE DIGITAL 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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |