US3440410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for digitally establishing the position of a movable object
Assignee: Thales Nederland BV
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Filing: 1966-03-14
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Granted: 1969-04-22
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Rienk Pieter Offereins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
H; H03; H03M; H03M1/00; G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1436; G05D3/20; G05D3/203; H03M1/12; H03M1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
ARRANGEMENT FOR DIGITALLY ESTABLISHING THE POSITION OF A MOVABLE OBJECT, PROVIDED WITH A SYSTEM FOR FINE READING AND A SYSTEM FOR COARSE READING COUPLED THERETO, EACH OF THESE SYSTEMS COMPRISING AN ELECTRONIC COUNTER THAT COUNTS PULSES LOR SQUARE-WAVE VOLTAGES DURING A TIME INTERVAL COMPRISED BETWEEN THE MOMENTS OF OCCURRENCE OF TWO ELECTRIC PHENOMENA, THE MOMENT OF OCCURRENCE OF AT LEAST ONE OF WHICH IS DETERMINED BY THE POSITION TO BE ESTABLISHED, WHEREIN THE COUNTER OF THE COARSE SYSTEM AND THE COUNTER OF THE FINE SYSTEM COMPRISE AT LEAST ONE OVERLAPPING POSITION, WHILST AFTER THE COUNTING OPERATION OF THESE COUNTERS HAS BEEN COMPLETED A PROGRAMMING ARRANGEMENT CONTROLS THE EXECUTION OF A COMPARISON OF THE SETTINGS REACHED BY THE OVERLAPPING PARTS OF THESE COUNTERS, AND IF INEQUALITY HAS BEEN ESTABLISHED, ALSO CONTROLS A CORRECTION IN THE ADJUSTMENT OF THE SETTING OF THE COUNTER OF THE COARSE SYSTEM BY CAUSING AT LEAST THE NON-OVERLAPPING PART OF THIS COUNTER TO STEP BACKWARDS OR FORWARDS.
Claim 2
Dependent Claim
160 words
ARRANGEMENT FOR DIGITALLY ESTABLISHING THE POSITION OF A MOVABLE OBJECT, PROVIDED WITH A SYSTEM FOR FINE READING AND A SYSTEM FOR COARSE READING COUPLED THERETO, EACH OF THESE SYSTEMS COMPRISING AN ELECTRONIC COUNTER THAT COUNTS PULSES LOR SQUARE-WAVE VOLTAGES DURING A TIME INTERVAL COMPRISED BETWEEN THE MOMENTS OF OCCURRENCE OF TWO ELECTRIC PHENOMENA, THE MOMENT OF OCCURRENCE OF AT LEAST ONE OF WHICH IS DETERMINED BY THE POSITION TO BE ESTABLISHED, WHEREIN THE COUNTER OF THE COARSE SYSTEM AND THE COUNTER OF THE FINE SYSTEM COMPRISE AT LEAST ONE OVERLAPPING POSITION, WHILST AFTER THE COUNTING OPERATION OF THESE COUNTERS HAS BEEN COMPLETED A PROGRAMMING ARRANGEMENT CONTROLS THE EXECUTION OF A COMPARISON OF THE SETTINGS REACHED BY THE OVERLAPPING PARTS OF THESE COUNTERS, AND IF INEQUALITY HAS BEEN ESTABLISHED, ALSO CONTROLS A CORRECTION IN THE ADJUSTMENT OF THE SETTING OF THE COUNTER OF THE COARSE SYSTEM BY CAUSING AT LEAST THE NON-OVERLAPPING PART OF THIS COUNTER TO STEP BACKWARDS OR FORWARDS.
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |