Multi-photodiode pixel cell
S Chen, X Liu, B Taylor - US Patent 11,393,867, 2022 - Google Patents
Methods and systems for image sensing are provided. In one example, an apparatus
comprises a semiconductor substrate comprising a light incident surface to receive light, a …
comprises a semiconductor substrate comprising a light incident surface to receive light, a …
Endoscope employing structured light providing physiological feature size measurement
GC Wilson, KH Wang, G Lu - US Patent 10,531,074, 2020 - Google Patents
Disclosed herein are systems, methods, and structures pro viding accurate and easy to use
size measurement of physi ological features identified from endoscopic examination. In …
size measurement of physi ological features identified from endoscopic examination. In …
Analog-to-digital converter having programmable quantization resolution
AS Berkovich, X Liu - US Patent 10,969,273, 2021 - Google Patents
Methods and systems for performing analog-to-digital con version are proposed. In one
example, An analog-to-digital converter (ADC) comprising a quantizer, the quantizer hav ing …
example, An analog-to-digital converter (ADC) comprising a quantizer, the quantizer hav ing …
Digital pixel with extended dynamic range
X Liu - US Patent 10,917,589, 2021 - Google Patents
Examples of a pixel cell are disclosed. In one example, a pixel cell may include a first
semiconductor layer including a photodiode and one or more transistor devices configured …
semiconductor layer including a photodiode and one or more transistor devices configured …
Pixel sensor having multiple photodiodes
In one example, an apparatus comprises: a plurality of photodiodes, one or more charge
sensing units, one or more analog-to-digital converters (ADCs), and a controller. The …
sensing units, one or more analog-to-digital converters (ADCs), and a controller. The …
Configurable image sensor
AS Berkovich, X Liu - US Patent 11,089,210, 2021 - Google Patents
In one example, a method comprises: receiving programming data; determining, based on
the programming data, at least one of: an integration period in which a charge storage unit …
the programming data, at least one of: an integration period in which a charge storage unit …
High dynamic range storage gate pixel circuitry
JP McCarten, HQ Doan, R Kaser - US Patent 10,469,775, 2019 - Google Patents
Image sensors may include image sensor pixels that support high dynamic range (HDR)
global shutter function. An image sensor pixel may include a photodiode that is coupled to …
global shutter function. An image sensor pixel may include a photodiode that is coupled to …
Digital pixel image sensor
X Liu - US Patent 10,951,849, 2021 - Google Patents
Disclosed herein are techniques for digital imaging. A digital pixel image sensor includes a
digitizer in each pixel of a plurality of pixels, where the digitizer digitizes analog output …
digitizer in each pixel of a plurality of pixels, where the digitizer digitizes analog output …
Global shutter image sensor
X Liu, S Chen - US Patent 11,004,881, 2021 - Google Patents
Examples of image sensors are provided. In one example, a pixel cell comprises a first
semiconductor die, a sampling capacitor, and a second semiconductor die which may …
semiconductor die, a sampling capacitor, and a second semiconductor die which may …
Image sensor post processing
2019-11-12 Assigned to FACEBOOK TECHNOLOGIES, LLC reassignment FACEBOOK
TECHNOLOGIES, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …
TECHNOLOGIES, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …