Patent JPS53131784A successfully refreshed from Google Patents.
JPS53131784A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
X-ray radiation time controller
Assignee: Hitachi Ltd
•
Filing: 1977-04-22
•
Granted: —
•
Expires: 1997-04-22
Abstract
Abstract PURPOSE: To control X-ray radiationtime by incorporating photo bi-directional thyristors in at least one phase of switching elements incorporated to the respective phases between a power source and a boosting transformer. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Takuji Matsumura
- 👤 Takeo Maeda
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-02 15:15
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.