X-ray detection circuit for a dental radiology sensor
US10393892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Jan 10, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/30
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit (300) for detecting the appearance of x-rays with a view to triggering a radiological image capture, comprising a set (301) of photodiodes that is connected to a ground (GD), an amplifying circuit (302) and a capacitor (C2), the amplifying circuit (302) comprising an amplifier (AMP) and a voltage source (GEN) and being connected, via a first input, to the output of the set (301) of photodiodes, the capacitor (C2) being connected between the ground (GD) and a second input of the amplifier (AMP), the detecting circuit (300) being characterized in that the amplifying circuit (302) is configured to carry out in succession the steps of:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.