Patent US3333068A successfully refreshed from Google Patents.
US3333068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printed-circuit digital encoder with improved printed circuit and movable contact structure
Assignee: Gemalto Terminals Ltd
•
Filing: 1966-02-15
•
Granted: 1967-07-25
•
Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Maskens Geoffrey David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:16
CPC Classifications
H; H03; H03M; H03M1/00; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/40; H01H1/403; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H19/585; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A SHAFT-POSITION ENCODER INCLUDING A SHEET OF INSULATING MATERIAL AND A FIRST ELECTRICAL CIRCUIT CARRIED BY THE SHEET, A POST WHOSE AXIS IS A LINE PASSING PERPENDICULARLY THROUGH THE SHEET, A ROTATABLE MEMBER MOUNTED ROTATABLY ON THE POST AND A SECOND CIRCUIT CARRIED BY THE SAID MEMBER, A BACKING MEMBER, SPRING MEANS LOCATED BETWEEN THE ROTATABLE MEMBER AND THE PACKING MEMBER A PLURALITY OF SPACING MEMBERS DISPOSED BETWEEN THE SHEET AND THE ROTATABLE MEMBER AT SPACED, FIXED LOCATIONS ON THE ROTATABLE MEMBER AND EACH HAVING A LOW COEFFICIENT OF FRICTION TO PERMIT SLIDING DURING ROTATION OF THE ROTATABLE MEMBER RELATIVE TO THE BOARD, THE SPACING MEMBERS COOPERATING WITH THE SPRING MEANS IN HOLDING THE ROTATABLE MEMBER AT A FIXED AXIAL LOCATION RELATIVE TO THE SHEET, AND RESILIENT MEANS IN AT LEAST ONE OF THE CIRCUITS FOR EFFECTING INTERMITTENT ELECTRICAL CONTACT BETWEEN THE CIRCUITS ON ROTATION OF THE ROTATABLE MEMBER.
Claim 2
Dependent Claim
149 words
A SHAFT-POSITION ENCODER INCLUDING A SHEET OF INSULATING MATERIAL AND A FIRST ELECTRICAL CIRCUIT CARRIED BY THE SHEET, A POST WHOSE AXIS IS A LINE PASSING PERPENDICULARLY THROUGH THE SHEET, A ROTATABLE MEMBER MOUNTED ROTATABLY ON THE POST AND A SECOND CIRCUIT CARRIED BY THE SAID MEMBER, A BACKING MEMBER, SPRING MEANS LOCATED BETWEEN THE ROTATABLE MEMBER AND THE PACKING MEMBER A PLURALITY OF SPACING MEMBERS DISPOSED BETWEEN THE SHEET AND THE ROTATABLE MEMBER AT SPACED, FIXED LOCATIONS ON THE ROTATABLE MEMBER AND EACH HAVING A LOW COEFFICIENT OF FRICTION TO PERMIT SLIDING DURING ROTATION OF THE ROTATABLE MEMBER RELATIVE TO THE BOARD, THE SPACING MEMBERS COOPERATING WITH THE SPRING MEANS IN HOLDING THE ROTATABLE MEMBER AT A FIXED AXIAL LOCATION RELATIVE TO THE SHEET, AND RESILIENT MEANS IN AT LEAST ONE OF THE CIRCUITS FOR EFFECTING INTERMITTENT ELECTRICAL CONTACT BETWEEN THE CIRCUITS ON ROTATION OF THE ROTATABLE MEMBER.
References Cited (Backward Citations)
US2205482A
Cited
US3089923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |