US3284631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for determining the currenttime output of an x-ray tube
Assignee: Picker X Ray Corp
•
Filing: 1964-07-16
•
Granted: 1966-11-08
•
Expires: 1984-07-16
Abstract
No abstract record available.
Inventors
- 👤 Walter E Splain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:52
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
151 words
A DEVICE TO BE CONNECTED IN A X-RY TUBE CIRCUIT BETWEEN THE X-RAY TUBE AND AN ENERGY SOURCE FOR DETERMINING THE CURRENT-TIME EXPOSURE PROVIDED BY THE X-RAY TUBE, SAID DEVICE COMPRISING: (A) AN ENERGY STORAGE CIRCUIT MEANS INCLUDING A STORAGE CAPACITOR CONNECTED IN SERIES WITH THE X-RAY TUBE; (B) A SENSING CIRCUIT MEANS CONNECTED TO SAID STORAGE CIRCUIT FIOR SENSING THE ENERGY LEVEL OF THE ENERGY STORED IN THE CAPACITOR; (C) A DISCHARGE CIRCUIT MEANS CONNECTED TO SAID STORAGE CIRCUIT MEANS AND BEING RESPONSIVE TO SAID SENSING CIRCUIT MEANS FOR DISCHARGING SAID CAPACITOR EACH TIME THE SENSING CIRCUIT MEANS DETERMINES THAT THE ENERGY STORED IN THE CAPACITOR HAS REACHED A PREDETERMINED LEVEL AS SENSED BY THE SENDING CIRCUIT MEANS; AND, (D) INDICATOR MEANS OPERATIVELY ASSOCIATED WITH AT LEAST ONE OF SAID CIRCUIT MEANS FOR GIVING AN INDICATION OF THE TOLTAL CAPACITOR DISCHARGE AFTER A SERIES OF DISCHARGES DURING AN X-RAY EXPOSURE.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |