US3098934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sun tracker
Assignee: GEN PRCCISION Inc
•
Filing: 1960-02-04
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Granted: 1963-07-23
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Donald K Wilson
- 👤 Robert L Willes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:11
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/34; G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IN A SUN TRACKER, IN COMBINATION, A TELESCOPE ADAPTED TO A SIGHT THE SUN AND PROJECT ITS IMAGE; AT LEAST THREE DETECTORS SO DISPOSED IN SIDE BY SIDE, RELATIONSHIP THAN WHEN SAID TELESCOPE IS AIMED AT THE SUN CENTER, EACH DETECTOR WILL SENSE EQUAL SUN SECTORS, AND IF SAID TELESCOPE IS OFFCENTER, THE IMAGE SENSED BY AT LEAST ONE DETECTOR WILL BE SMALLER THAN THE OTHERS; ELECTRICAL OUTPUT GIVING MEANS ASSOCIATED WITH EACH DETECTOR ADAPTED TO HAVE A LINEAR OUTPUT CURRENT FLOW RESPONSIVE TO THE SUN INTENSITY ON SAID EACH DETECTOR; BRIDGE MEANS BETWEEN SAID OUTPUTS SO DISPOSED THAT WHEN THE OUTPUTS ACROSS SAID BRIDGE MEANS ARE EQUAL, NO CURRENT FLOWS ACROSS THE BRIDGE; SERVO MEANS RESPONSIVE TO THE CURRENT FLOW IN SAID BRIDGE TO MOVE SAID TELESCOPE UNTIL SAID OUTPUTS ACROSS SAID BRIDGES ARE NULL; FLASHING MEANS ADAPTED TO ILLUMINATE SAID DETECTORS EQUALLY, THEREBY CAUSING SAID DETECTORS TO HAVE AN OUTPUT FROM SAID SUN AND ALTERNATING OUTPUT FROM SAID FLASHING MEANS; OUTPUT SEPARATING MEANS TO SEPARATE SAID ALTERNATING OUTPUT FROM SAID LINEAR OUTPUT; A.C. BRIDGE MEANS BETWEEN SAID ALTERNATING OUTPUTS; AND FEEDBACK MEANS FROM SAID A.C. BRIDGE MEANS TO SAID DETECTOR OUTPUT TO BRING THE ALTERNATING OUTPUTS ACROSS SAID BRIDGES TO A NULL.
Claim 2
Dependent Claim
204 words
IN A SUN TRACKER, IN COMBINATION, A TELESCOPE ADAPTED TO A SIGHT THE SUN AND PROJECT ITS IMAGE; AT LEAST THREE DETECTORS SO DISPOSED IN SIDE BY SIDE, RELATIONSHIP THAN WHEN SAID TELESCOPE IS AIMED AT THE SUN CENTER, EACH DETECTOR WILL SENSE EQUAL SUN SECTORS, AND IF SAID TELESCOPE IS OFFCENTER, THE IMAGE SENSED BY AT LEAST ONE DETECTOR WILL BE SMALLER THAN THE OTHERS; ELECTRICAL OUTPUT GIVING MEANS ASSOCIATED WITH EACH DETECTOR ADAPTED TO HAVE A LINEAR OUTPUT CURRENT FLOW RESPONSIVE TO THE SUN INTENSITY ON SAID EACH DETECTOR; BRIDGE MEANS BETWEEN SAID OUTPUTS SO DISPOSED THAT WHEN THE OUTPUTS ACROSS SAID BRIDGE MEANS ARE EQUAL, NO CURRENT FLOWS ACROSS THE BRIDGE; SERVO MEANS RESPONSIVE TO THE CURRENT FLOW IN SAID BRIDGE TO MOVE SAID TELESCOPE UNTIL SAID OUTPUTS ACROSS SAID BRIDGES ARE NULL; FLASHING MEANS ADAPTED TO ILLUMINATE SAID DETECTORS EQUALLY, THEREBY CAUSING SAID DETECTORS TO HAVE AN OUTPUT FROM SAID SUN AND ALTERNATING OUTPUT FROM SAID FLASHING MEANS; OUTPUT SEPARATING MEANS TO SEPARATE SAID ALTERNATING OUTPUT FROM SAID LINEAR OUTPUT; A.C. BRIDGE MEANS BETWEEN SAID ALTERNATING OUTPUTS; AND FEEDBACK MEANS FROM SAID A.C. BRIDGE MEANS TO SAID DETECTOR OUTPUT TO BRING THE ALTERNATING OUTPUTS ACROSS SAID BRIDGES TO A NULL.
References Cited (Backward Citations)
US1747664A
Cited
US2714327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |