US3086122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric chorus effect generator
Assignee: BALDWIN PIANO Co
•
Filing: 1959-08-17
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Granted: 1963-04-16
•
Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edward M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:37
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/03; G10H3/06; Y; Y10; Y10S; Y10S84/00; Y10S84/01; Y10S84/04; Y10S84/19
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
IN A PHOTO-RESISTIVE MODULATOR, AN ELONGATED RELATIVELY NARROW PHOTO-RESISTIVE COATING HAVING LONG SIDES AND NARROW ENDS, A PAIR OF COATED ELECTRODES FOR SAID PHOTO-RESISTIVE COATING, SAID PAIR OF COATED ELECTRODES SUBSISTING ON OPPOSITE SIDES OF SAID PHOTO-RESISTIVE COATING ADJACENT SAID LONG SIDES THEREOF, MEANS FOR PASSING AN ALTERNATING CURRENT SIGNAL TO BE MODULATED THROUGH SAID PHOTO-RESISTOR VIA SAID ELECTRODES, A SOURCE OF LIGHT DIRECTED ON SAID PHOTO-SENSITIVE COATING, A LIGHT SHUTTER LOCATED BETWEEN SAID SOURCE OF LIGHT AND SAID PHOTO-SENSITIVE COATING, SAID LIGHT SHUTTER INCLUDING AN OPAQUE PORTION HAVING AN EDGE EXTENDING ACROSS THE NARROW DIMENSION OF SAID PHOTO-SENSITIVE COATING BETWEEN SAID LONG SIDES, AND MEANS FOR MOVING SAID EDGES TOWARD AND AWAY FROM ONE OF SAID NARROW ENDS, TO EXPOSE VARIABLE AREAS OF SAID PHOTO-SENSITIVE COATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |