US3136218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal compensation
Assignee: Inductosyn Corp
•
Filing: 1955-09-26
•
Granted: 1964-06-09
•
Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 Robert W Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:12
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G05B2219/00; G05B2219/30; G05B2219/49; G05B2219/49169; Y; Y10; Y10S; Y10S82/00; Y10S82/90; Y10T; Y10T408/00; Y10T408/08; Y10T408/16; Y10T408/175; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF AUTOMATICALLY CONTROLLING A MACHINE INCLUDING TWO ELEMENTS MOVABLE WITH RESPECT TO EACH OTHER BY DRIVE MECHANISM IN ACCORDANCE WITH INDEXING VALUES SUPPLIED TO SAID MECHANISM TO CORRECT THE RELATIVE POSITIONS OF SAID ELEMENTS TO COMPENSATE FOR DEPARTURES OF THE TEMPERATURE THEREOF FROM A REFERENCE TEMPERATURE AT WHICH THE POSITION OF ONE OF SAID ELEMENTS WITH RESPECT TO A FIXED LOCATION ON THE OTHER OF SAID ELEMENTS CORRESPONDS TO VALUES INDEXED TO SAID MECHANISM, SAID METHOD COMPRISING THE STEPS OF DERIVING FROM A REFERENCE SIGNAL A SIGNAL RELATED TO THE DEPARTURE OF SAID ELEMENTS FROM A GIVEN RELATIVE POSITION, TO THE DIFFERENCE BETWEEN THE REFERENCE TEMPERATURE AND THE ACTUAL TEMPERATURE OF SAID ELEMENTS, AND TO THE THERMAL EXPANSION COEFFICIENT THEREOF, AND INSERTING INTO SAID DRIVE MECHANISM A MOTION VARYING IN MAGNITUDE WITH SAID LAST-NAMED SIGNAL.
Claim 2
Independent Claim
137 words
A METHOD OF AUTOMATICALLY CONTROLLING A MACHINE INCLUDING TWO ELEMENTS MOVABLE WITH RESPECT TO EACH OTHER BY DRIVE MECHANISM IN ACCORDANCE WITH INDEXING VALUES SUPPLIED TO SAID MECHANISM TO CORRECT THE RELATIVE POSITIONS OF SAID ELEMENTS TO COMPENSATE FOR DEPARTURES OF THE TEMPERATURE THEREOF FROM A REFERENCE TEMPERATURE AT WHICH THE POSITION OF ONE OF SAID ELEMENTS WITH RESPECT TO A FIXED LOCATION ON THE OTHER OF SAID ELEMENTS CORRESPONDS TO VALUES INDEXED TO SAID MECHANISM, SAID METHOD COMPRISING THE STEPS OF DERIVING FROM A REFERENCE SIGNAL A SIGNAL RELATED TO THE DEPARTURE OF SAID ELEMENTS FROM A GIVEN RELATIVE POSITION, TO THE DIFFERENCE BETWEEN THE REFERENCE TEMPERATURE AND THE ACTUAL TEMPERATURE OF SAID ELEMENTS, AND TO THE THERMAL EXPANSION COEFFICIENT THEREOF, AND INSERTING INTO SAID DRIVE MECHANISM A MOTION VARYING IN MAGNITUDE WITH SAID LAST-NAMED SIGNAL.
References Cited (Backward Citations)
US2664787A
Cited
US2820187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |