US3131339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position sensing apparatus
Assignee: Circuit Research Corp
•
Filing: 1961-03-16
•
Granted: 1964-04-28
•
Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert P Burr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:17
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/18; G06K13/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
APPARATUS FOR SENSING THE POSITION OF A DISPLACEABLE MEMBER COMPRISING: MEANS FOR SUPPLYING A CONTROL SIGNAL; A SATURABLE REACTOR RESPONSIVE TO SAID CONTROL SIGNAL FOR DERIVING CONTROL PULSES THEREFROM; MEANS LOCATED NEAR SAID SATURABLE REACTOR FOR SATURATING SAID REACTOR TO PREVENT THE DERIVATION OF SAID CONTROL PULSES WHEN THE MEMBER IS IN ONE OPERATING POSITION; AND MAGNETIC SHIELD MEANS POSITIONED BY THE MEMBER FOR ATTENUATING SAID MAGNETIC FIELD IN THE REGION OF SAID REACTOR WHEN THE MEMBER IS IN ANOTHER OPERATING POSITION, WHEREBY THE CONTROL PULSES REPRESENT THE POSITION OF THE DISPLACEABLE MEMBER.
Claim 2
Dependent Claim
93 words
APPARATUS FOR SENSING THE POSITION OF A DISPLACEABLE MEMBER COMPRISING: MEANS FOR SUPPLYING A CONTROL SIGNAL; A SATURABLE REACTOR RESPONSIVE TO SAID CONTROL SIGNAL FOR DERIVING CONTROL PULSES THEREFROM; MEANS LOCATED NEAR SAID SATURABLE REACTOR FOR SATURATING SAID REACTOR TO PREVENT THE DERIVATION OF SAID CONTROL PULSES WHEN THE MEMBER IS IN ONE OPERATING POSITION; AND MAGNETIC SHIELD MEANS POSITIONED BY THE MEMBER FOR ATTENUATING SAID MAGNETIC FIELD IN THE REGION OF SAID REACTOR WHEN THE MEMBER IS IN ANOTHER OPERATING POSITION, WHEREBY THE CONTROL PULSES REPRESENT THE POSITION OF THE DISPLACEABLE MEMBER.
References Cited (Backward Citations)
US2592088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |