US3165704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase discriminator
Assignee: Bendix Corp
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Filing: 1961-10-26
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Granted: 1965-01-12
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 George A Shacknow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:01
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PHASE DISCRIMINATOR FOR DISCRIMINATING AGAINST QUADRATURE SIGNALS, COMPRISING AN INPUT ADAPTED TO RECEIVE A SIGNAL HAVING A DESIRED IN-PHASE COMPONENT AND AN UNWANTED QUADRATURE COMPONENT, AN OUTPUT, A CIRCUIT HAVING TWO LEGS CONNECTING THE INPUT TO THE OUTPUT INCLUDING A DIRECT CONNECTION IN ONE LEG AND A QUADRATURE REJECTION NETWORK IN THE OTHER LEG INCLUDING SWITCHING MEANS RENDERED CONDUCTING WHEN THE DESIRED IN-PHASE COMPONENT IS A MAXIMUM AND THE UNWANTED QUADRATURE COMPONENT IS A MINIMUM AND RENDERED NONCONDUCTING WHEN THE UNWANTED QUADRATURE COMPONENT IS A MAXIMUM AND THE DESIRED IN-PHASE COMPONENT IS A MINIMUM.
Claim 2
Dependent Claim
95 words
A PHASE DISCRIMINATOR FOR DISCRIMINATING AGAINST QUADRATURE SIGNALS, COMPRISING AN INPUT ADAPTED TO RECEIVE A SIGNAL HAVING A DESIRED IN-PHASE COMPONENT AND AN UNWANTED QUADRATURE COMPONENT, AN OUTPUT, A CIRCUIT HAVING TWO LEGS CONNECTING THE INPUT TO THE OUTPUT INCLUDING A DIRECT CONNECTION IN ONE LEG AND A QUADRATURE REJECTION NETWORK IN THE OTHER LEG INCLUDING SWITCHING MEANS RENDERED CONDUCTING WHEN THE DESIRED IN-PHASE COMPONENT IS A MAXIMUM AND THE UNWANTED QUADRATURE COMPONENT IS A MINIMUM AND RENDERED NONCONDUCTING WHEN THE UNWANTED QUADRATURE COMPONENT IS A MAXIMUM AND THE DESIRED IN-PHASE COMPONENT IS A MINIMUM.
References Cited (Backward Citations)
US3030522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |