US3293633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital transducer
Assignee: Radiation Inc
•
Filing: 1962-09-18
•
Granted: 1966-12-20
•
Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Gardenhire
- 👤 Jr George Birkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
H; H03; H03M; H03M1/00; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G11; G11B; G11B5/00; G11B5/127; G11B5/33; G11B5/37; G11B5/376; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A SYSTEM FOR DERIVING A CODED INDICATION OF THE POSISTION OF A BODY MOVABLE IN RESPONSE TO AN INPUT FORCE, SAID INDICATION INCLUDING A SERIES OF PARALLEL BINARY BITS, COMPRISING A MAGNETIC RECORD CARRIER, SAID CARRIER INCLUDING A PLURALITY OF TRACKS EXTENDING PARALLEL TO EACH OTHER ALONG ONE DIRECTION, EACH OF SAID TRACKS INCLUDING A SERIES OF BINARY BIT INDICATIONS EXTENDING ALONG SAID DIRECTION, SAID INDICATIONS OF EACH TRACK ALTERNATELY HAVING ONE OF ONLY TWO VALUES, EACH OF AID INDICATIONS BEING A BINARY MAGNETIC FLUX LEVEL, A FLUX LEVEL RESPONSIVE PICK UP HEAD FOR EACH OF SAID CHANNELS, EACH OF AID PICK UP HEADS INCLUDING MEANS FOR DERIVING A VOLTAGE INDICATIVE OF THE FLUX LEVEL OF ITS RESPECTIVE CHANNEL, AND MEANS FOR MOVING SAID MAGNETIC RECORD CARRIER RELATIVE TO SAID PICK UP HEADS, THE MOVEMENT OF SAID CARRIER ALONG SAID ONE DIRECTION BEING RELATED BY A PREDETERMINED FUNCTION TO THE FORCE APPLIED TO SAID BODY.
Claim 2
Independent Claim
155 words
A SYSTEM FOR DERIVING A CODED INDICATION OF THE POSISTION OF A BODY MOVABLE IN RESPONSE TO AN INPUT FORCE, SAID INDICATION INCLUDING A SERIES OF PARALLEL BINARY BITS, COMPRISING A MAGNETIC RECORD CARRIER, SAID CARRIER INCLUDING A PLURALITY OF TRACKS EXTENDING PARALLEL TO EACH OTHER ALONG ONE DIRECTION, EACH OF SAID TRACKS INCLUDING A SERIES OF BINARY BIT INDICATIONS EXTENDING ALONG SAID DIRECTION, SAID INDICATIONS OF EACH TRACK ALTERNATELY HAVING ONE OF ONLY TWO VALUES, EACH OF AID INDICATIONS BEING A BINARY MAGNETIC FLUX LEVEL, A FLUX LEVEL RESPONSIVE PICK UP HEAD FOR EACH OF SAID CHANNELS, EACH OF AID PICK UP HEADS INCLUDING MEANS FOR DERIVING A VOLTAGE INDICATIVE OF THE FLUX LEVEL OF ITS RESPECTIVE CHANNEL, AND MEANS FOR MOVING SAID MAGNETIC RECORD CARRIER RELATIVE TO SAID PICK UP HEADS, THE MOVEMENT OF SAID CARRIER ALONG SAID ONE DIRECTION BEING RELATED BY A PREDETERMINED FUNCTION TO THE FORCE APPLIED TO SAID BODY.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |