Patent US3274388A successfully refreshed from Google Patents.
US3274388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared detector and system for transient signals
Assignee: Individual
•
Filing: 1950-07-28
•
Granted: 1966-09-20
•
Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Distel Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:11
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/12; G01J5/14; G01J5/02; G01J5/03; H; H10; H10F; H10F30/00; H10F30/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A RADIATION DETECTING AND TRANSLATING DEVICE COMPRISING A PLURALITY OF HORIZONTALLY ALIGNED PHOTOCONDUCTIVE ELEMENTS HAVING A MAXIMUM SENSITIVITY IN THE INFRARED RADIATION BAND BETWEEN 0.8 AND 5 MICRONS; A SOURCE OF POTENTIAL CONNECTED TO SAID ELEMENTS; A SEPARATE LOAD IMPEDANCE IN SERIES WITH EACH OF SAID ELEMENTS AND SAID SOURCE OF POTENTIAL; OUTPUT MEANS FOR EACH OF SAID IMPEDANCES, EACH OUTPUT MEANS COMPRISING A RESISTANCE-CAPACITANCE CIRCUIT FOR BLOCKING THE RELATIVELY STEADY VOLTAGE CAUSED BY BACKGROUND RADIATION AND FOR PASSING THE VARYING VOLTAGE CAUSED BY TRANSIENT RADIATION, AND A STORAGE CAPACITOR CONNECTED TO BE CHARGED BY SAID VARYING VOLTAGE; AND MEANS FOR SEQUENTIALLY SCANNING SAID STORAGE CAPACITORS INCLUDING A MULTIELEMENT MAKE-BREAK TYPE SWITCH.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |