Method for reading a pixel with double gain charge / voltage conversion and corresponding system
FR3168735A1Pending Publication Date: 2026-05-22STMICROELECTRONICS INT NV
Patent Information
- Application Number
- FR2024012482
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2026-05-22
Smart Images
Figure 00000000_0000_ABST
Abstract
During low-gain conversion, a mode control signal (DCG) pulse is generated, framing the pulse (TG2) that triggers charge transfer. This allows the use of only three ramps (RAMP1, RAMP2, RAMP3). See Figure 3 for abbreviations.
Need to check novelty before this filing date? Find Prior Art
Claims
[Claim 7] starting at a level lower than the start level of the second ramp signal. Sensor, comprising a pixel matrix (MPX) arranged in rows and columns, and comprising respectively at the foot of each column, a reading device (DISj) according to any one of claims 4 to 6. [Fig. 2] WWW avaa
Citation Information
Patent Citations
Image sensor with dual conversion gain readout
US10356351B1
Dual conversion gain high dynamic range readout for comparator of double ramp analog to digital converter
US10431608B2
Solid-state imaging device and electronic device
US20200053309A1
Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus
US20210099659A1
Image sensor and image processing device including the same
US20240107195A1