Stacked backside illuminated SPAD array
S Mandai, CL Niclass, N Karasawa, X Fan… - US Patent …, 2019 - Google Patents
ABSTRACT A back-illuminated single-photon avalanche diode (SPAD) image sensor
includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes …
includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes …
Stacked backside illuminated SPAD array
S Mandai, CL Niclass, N Karasawa, X Fan… - US Patent …, 2020 - Google Patents
(57) ABSTRACT A back-illuminated single-photon avalanche diode (SPAD) image sensor
includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes …
includes a sensor wafer stacked vertically over a circuit wafer. The sensor wafer includes …
SPAD detector having modulated sensitivity
S Mandai, AKJ McMahon, CL Niclass, T Oggier… - US Patent …, 2020 - Google Patents
The sensitivity of one or more single-photon avalanche diodes (SPAD) in a SPAD detector is
modulated over time. The sensitivity of all of the SPADs may be modulated, or the sensitivity …
modulated over time. The sensitivity of all of the SPADs may be modulated, or the sensitivity …
Techniques for providing a haptic output and sensing a haptic input using a piezoelectric body
Z Zhang, RH Koch, T Songatikamas - US Patent 10,622,538, 2020 - Google Patents
Haptic interfaces are described. One haptic interface includes a piezoelectric body and first
and second electrodes coupled to the piezoelectric body. The haptic interface also includes …
and second electrodes coupled to the piezoelectric body. The haptic interface also includes …
Activity identification using an optical heart rate monitor
NA Kestelli, UL Block - US Patent 10,285,626, 2019 - Google Patents
An electronic device that can be worn by a user can include a processing device and one or
more optical heart rate monitors operatively connected to the processing device. The …
more optical heart rate monitors operatively connected to the processing device. The …
Portable device with virtual tactile keyboard and refreshable Braille display
DR Labbé, G Santerre, S Mckenzie-faucher… - US Patent …, 2018 - Google Patents
A single-unit portable Braille device is provided that can include a housing and a touch-
sensitive surface provided on the housing and configured to implement a virtual Braille …
sensitive surface provided on the housing and configured to implement a virtual Braille …
Patterned activation of piezoelectric actuators
A Weber, RM Dikun - US Patent App. 13/036,264, 2012 - Google Patents
An electronic device comprises piezoelectric actuators. Piezoelectric actuators are arranged
in patterns within electronic device. Piezoelectric actuators are actuated in sub-patterns. Sub …
in patterns within electronic device. Piezoelectric actuators are actuated in sub-patterns. Sub …
Tactile braille tablet
L Blanchette, É Lapointe, G Bourque… - US Patent App. 29 …, 2018 - Google Patents
FIG. 3 is a bottom plan view thereof; FIG. 4 is a front elevational view thereof; FIG. 5 is a rear
elevational view thereof; FIG. 6 is a left side elevational view thereof; FIG. 7 is a right side …
elevational view thereof; FIG. 6 is a left side elevational view thereof; FIG. 7 is a right side …
Pixel binning in an image sensor
GA Agranov, C Molgaard, A Bahukhandi… - US Patent …, 2020 - Google Patents
Pixel binning is performed by summing charge from some pixels positioned diagonally in a
pixel array. Pixel signals output from pixels positioned diagonally in the pixel array may be …
pixel array. Pixel signals output from pixels positioned diagonally in the pixel array may be …
Text-to-touch techniques
LJ Wong, T Xiong - US Patent 9,691,300, 2017 - Google Patents
Text-to-touch techniques, in accordance with embodiment of the present technology, include
apparatuses and methods for receiving content including textual portions and non-textual …
apparatuses and methods for receiving content including textual portions and non-textual …