US3284614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible counting system for locating moving objects
Assignee: SPX Technologies Inc
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Filing: 1962-09-14
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Granted: 1966-11-08
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Donald W Bramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:47
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/40; H03K23/50; H03K23/56; B; B61; B61L; B61L25/00; B61L25/02; B61L25/023; B61L25/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A REVERSIBLE COUNTING SYSTEM COMPRISING THE COMBINATION OF A BINARY COUNTER CAPABLE OF ACCEPTING A PREDETERMINED COUNT FROM AN EXTERNAL SOURCE, MEANS FOR SETTING A PREDETERMINED COUNT IN THE COUNTER, A PLURALITY OF PAIRS OF INERT COILS DISPOSED AT SEVERAL LOCATIONS, ONE COIL OF EACH OF THE PAIRS BEING TUNED TO ONE COMMON FREQUENCY AND THE OTHER COIL OF EACH OF THE PAIRS BEING TUNED TO A SECOND COMMON FREQUENCY, A PAIR OF PICK-UP COILS, ONE OF THE PICK-UP COILS BEING TUNED TO THE ONE COMMON FREQUENCY AND THE OTHER OF THE PICK-UP COILS BEING TUNED TO THE SECOND COMMON FREQUENCY, MEANS FOR ALTERING THE COUNT IN RESPONSE TO INDUCTIVE COUPLING OF BOTH PICK-UP COILS WITH BOTH INERT COILS AT ANY OF THE SEVERAL LOCATIONS, AND MEANS FOR COMMUNICATING THE ALTERED COUNT TO A REMOTE INDICATOR WITHOUT DESTROYING THE COUNT.
Claim 2
Dependent Claim
140 words
A REVERSIBLE COUNTING SYSTEM COMPRISING THE COMBINATION OF A BINARY COUNTER CAPABLE OF ACCEPTING A PREDETERMINED COUNT FROM AN EXTERNAL SOURCE, MEANS FOR SETTING A PREDETERMINED COUNT IN THE COUNTER, A PLURALITY OF PAIRS OF INERT COILS DISPOSED AT SEVERAL LOCATIONS, ONE COIL OF EACH OF THE PAIRS BEING TUNED TO ONE COMMON FREQUENCY AND THE OTHER COIL OF EACH OF THE PAIRS BEING TUNED TO A SECOND COMMON FREQUENCY, A PAIR OF PICK-UP COILS, ONE OF THE PICK-UP COILS BEING TUNED TO THE ONE COMMON FREQUENCY AND THE OTHER OF THE PICK-UP COILS BEING TUNED TO THE SECOND COMMON FREQUENCY, MEANS FOR ALTERING THE COUNT IN RESPONSE TO INDUCTIVE COUPLING OF BOTH PICK-UP COILS WITH BOTH INERT COILS AT ANY OF THE SEVERAL LOCATIONS, AND MEANS FOR COMMUNICATING THE ALTERED COUNT TO A REMOTE INDICATOR WITHOUT DESTROYING THE COUNT.
References Cited (Backward Citations)
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US2765459A
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US2883108A
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US3023371A
Cited
US3185819A
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US3129414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |