US3241016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor servo amplifier with dither
Assignee: Bendix Corp
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Filing: 1962-11-09
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Granted: 1966-03-15
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Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
- 👤 Harry B Wattson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:29
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/121; G05D3/122; G05D1/00; G05D1/08; G05D1/0808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A SERVO AMPLIFIER COMPRISING THE COMBINATION OF A PREAMPLIFIER RECEIVING AN INPUT SIGNAL, A DISCRIMINATOR INCLUDING A PAIR OF TRANSISTORS CONNECTED IN PUSH-PULL CONFIGURATION, EACH OF THE TRANSISTOR RECEIVING A SIGNAL FROM THE PREAMPLIFIER, A DITHER GENERATOR APPLYING A SIGNAL OF SMALL AMPLITUDE OSCILLATIONS TO ONLY ONE DISCRIMINATOR TRANSISTOR, AND MEANS SERIALLY COUPLING EACH DISCRIMINATOR TRANSISTOR AND A SOURCE OF ELECTRICAL ENERGY TO A SEPARATE WINDING OF A TORQUE MOTOR WHEREBY MOTOR DEFLECTION IS CONTROLLED BY THE INPUT SIGNAL APPLIED TO THE PREAMPLIFIER AND THEREBY TO SAID DISCRIMINATOR TRANSISTORS.
Claim 2
Dependent Claim
89 words
A SERVO AMPLIFIER COMPRISING THE COMBINATION OF A PREAMPLIFIER RECEIVING AN INPUT SIGNAL, A DISCRIMINATOR INCLUDING A PAIR OF TRANSISTORS CONNECTED IN PUSH-PULL CONFIGURATION, EACH OF THE TRANSISTOR RECEIVING A SIGNAL FROM THE PREAMPLIFIER, A DITHER GENERATOR APPLYING A SIGNAL OF SMALL AMPLITUDE OSCILLATIONS TO ONLY ONE DISCRIMINATOR TRANSISTOR, AND MEANS SERIALLY COUPLING EACH DISCRIMINATOR TRANSISTOR AND A SOURCE OF ELECTRICAL ENERGY TO A SEPARATE WINDING OF A TORQUE MOTOR WHEREBY MOTOR DEFLECTION IS CONTROLLED BY THE INPUT SIGNAL APPLIED TO THE PREAMPLIFIER AND THEREBY TO SAID DISCRIMINATOR TRANSISTORS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |