公开(公告)号：US12105913B2

公开(公告)日：2024-10-01

申请号：US18300546

申请日：2023-04-14

Applicant: CARUX TECHNOLOGY PTE. LTD.

Inventor： Tsan-Po Weng

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/0412 ,  G06F3/04182 ,  G06F3/041

Abstract: A method for touch detection is provided. The method is suitable for an electronic device with multiple sensing units. The method includes the following stages. Raw signal intensity distribution is obtained through the sensing units. A signal intensity determination process is performed. A signal processing process is performed according to the result of the signal intensity determination process. The signal processing process is performed in a first mode when the raw signal intensity of at least one sensing unit is higher than a first threshold. The signal processing process is performed in a second mode when the raw signal intensity of all the sensing units is lower than a second threshold.

公开(公告)号：US20240310954A1

公开(公告)日：2024-09-19

申请号：US18672319

申请日：2024-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Moon Jae JEONG

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04182 ,  G06F3/0446 ,  G06F2203/04112

Abstract: A display device includes driving electrodes and sensing electrodes; analog front-end circuits; a selector connected to the analog front-end circuits to select an output of the analog front-end circuits; an A/D converter generating a sensed value based on output signals of the selector; and a signal processor. Each of the analog front-end circuits includes a charge amplifier differentially amplifying first and second sensing signals provided to first and second input terminals, and outputting first and second differential signals to first and second output terminals; a filter filtering the first and second differential signals to output first and second filtered signals; a demodulator outputting an in-phase signal (I-signal) and a quadrature signal (Q-signal) of the first and second filtered signals; and a complex band-pass filter that filters the I-signal and the Q-signal.

公开(公告)号：US20240256085A1

公开(公告)日：2024-08-01

申请号：US18377326

申请日：2023-10-06

Applicant: Samsung Display Co., Ltd. ,  The Industry & Academic Cooperation in Chungnam National University (IAC)

Inventor： SANGHYUN HEO ,  Juneun PARK ,  KEUMDONG JUNG

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04182 ,  G06F3/04184 ,  G06F3/0446

Abstract: An electronic device including: a display layer; a sensor layer disposed on the display layer and including first and second electrodes; and a sensor driver to drive the sensor layer and including a signal generation circuit to transmit a transfer signal to the first electrodes, an input detection circuit to receive a sensing signal from the second electrodes, and a sensor control circuit, wherein the input detection circuit is configured to: receive first, second and third sensing signals, and wherein the sensor control circuit includes: a non-ideal element estimator to output a noise signal based on the second sensing signal and the third sensing signal; a calculator to output an output signal by adding or subtracting the first sensing signal and the noise signal; and a converter to output a coordinate signal by converting the output signal into a digital signal.

公开(公告)号：US12032786B2

公开(公告)日：2024-07-09

申请号：US17854136

申请日：2022-06-30

Applicant: Synaptics Incorporated

Inventor： Tom Vandermeijden ,  Ching-Hsung Wang

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04182 ,  G06F3/0441 ,  G06F2203/04105

Abstract: A method is provided. The method comprises: providing, by a control system of an input device, one or more first beacon signals to an input object; based, at least in part, on force data from the input object, detecting, by the control system, noise interference associated with providing at least one of the one or more first beacon signals to the input object; based, at least in part, on detecting the noise interference, altering, by the control system, a timing schedule for providing one or more subsequent beacon signals; and providing, by the control system, the one or more subsequent beacon signals to the input object based, at least in part, on the timing schedule.

公开(公告)号：US20240168524A1

公开(公告)日：2024-05-23

申请号：US18483048

申请日：2023-10-09

Applicant: Synaptics Incorporated

Inventor： Guozhong Shen ,  Tom Vandermeijden

IPC: G06F1/16 ,  G06F3/044

CPC classification number: G06F1/1677 ,  G06F1/1616 ,  G06F3/0446 ,  G06F3/04182

Abstract: A system for determining a fold angle of a foldable device, the system including a plurality of electrodes and a processing system, wherein the processing system is configured to obtain transcapacitance measurements via a subset of the plurality of electrodes; obtain absolute capacitance measurements via the subset of the plurality of electrodes; and determine the fold angle of the foldable device based on the transcapacitance measurements and the absolute capacitance measurements.

公开(公告)号：US20240143113A1

公开(公告)日：2024-05-02

申请号：US18451417

申请日：2023-08-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYOJIN LEE ,  SOONGYU LEE ,  JINWOO KIM ,  WOOMI BAE

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/04182 ,  G06F3/0446 ,  G06F2203/04108

Abstract: A display device includes a display panel, an input sensor operating in an input sensing mode or a proximity sensing mode, a sensor controller driving the input sensor in the input sensing mode or the proximity sensing mode, and a main controller controlling driving of the sensor controller. The input sensor includes a sensing area and a non-sensing area. The sensing area is divided into a proximity sensing area and a plurality of reference areas in the proximity sensing mode. The main controller generates a noise control signal based on a plurality of reference sensing signals sensed in the reference areas, and determines whether an object is in proximity based on the noise control signal and a proximity sensing signal sensed in the proximity sensing area.

公开(公告)号：US20240122019A1

公开(公告)日：2024-04-11

申请号：US18344550

申请日：2023-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： GAYEON YUN ,  Bongil KANG ,  Taejoon KIM

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H10K59/12 ,  H10K59/121 ,  H10K59/40

CPC classification number: H10K59/1315 ,  G06F3/04182 ,  G06F3/0446 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/40 ,  G06F2203/04103

Abstract: A display device includes a display panel, an input sensor, and a circuit board. The input sensor includes first detection electrodes arranged in a first direction, second detection electrodes arranged in a second direction, first detection wires respectively electrically connected to the first detection electrodes, and second detection wires respectively electrically connected to the second detection electrodes. Resistance values of the first detection wires decrease as a corresponding first detection electrode among the first detection electrodes is disposed closer to a center of the display panel. Resistance values of the second detection wires increase as a corresponding second detection electrode among the second detection electrodes moves away from the circuit board, and a difference between the resistance values of the second detection wires adjacent to each other increases as the corresponding second detection electrode moves away from the circuit board.

公开(公告)号：US20240086013A1

公开(公告)日：2024-03-14

申请号：US18261541

申请日：2022-01-10

Applicant: TouchNetix Limited

Inventor： Steinar MYREN ,  Stephen William ROBERTS ,  Trond Jarle PEDERSEN

IPC: G06F3/041

CPC classification number: G06F3/04182 ,  G06F3/04166 ,  G06F3/0446

Abstract: Described is a touch-sensitive apparatus, including: a plurality of electrodes comprising at least a first electrode and a second electrode; drive circuitry configured to generate a drive signal for driving one or more of the plurality of electrodes; a differential output element comprising a first input and a second input configured to couple to each of the first electrode and second electrode and configured to output a signal indicative of the differential between signals input to the differential output element at the first input and the second input; switching circuitry configured to couple the first electrode to either of the first input or second input of the differential output element and to couple the second electrode to either of the first input or second input of the differential output element; and processing circuitry.

公开(公告)号：US11916582B2

公开(公告)日：2024-02-27

申请号：US17198860

申请日：2021-03-11

Applicant: Microchip Technology Incorporated

Inventor： Axel Heim

IPC: H04B1/10 ,  G06F3/041

CPC classification number: H04B1/1027 ,  G06F3/04162 ,  G06F3/04182

Abstract: Systems and methods of determining a noise-robust acquisition configuration for a sensor or communication system are disclosed. An exemplary method comprises a noise scan with: obtaining a sensor receive signal from the sensor system; determining a digital receive signal from the sensor receive signal by A/D conversion of the sensor receive signal at a predefined noise scan frequency; determining a plurality of decimated digital receive signals by integer decimation of the digital receive signal using two or more decimation rates that differ from each other, wherein each of the two or more decimation rates is associated with a respective candidate acquisition configuration; determining one or more noise measures for multiple of the candidate acquisition configurations using one or more of the plurality of decimated digital receive signals; and using the one or more noise measures, determining the acquisition configuration for operation of the sensor system from the candidate acquisition configurations.

公开(公告)号：US20240012516A1

公开(公告)日：2024-01-11

申请号：US18371692

申请日：2023-09-22

Applicant: Sony Group Corporation

Inventor： Atsushi ISHIHARA ,  Yufeng JIN ,  Osamu ITO ,  Ryo YOKOYAMA ,  Ikuo YAMANO ,  Takeshi OGITA

IPC: G06F3/041 ,  G06F3/01

CPC classification number: G06F3/04182 ,  G06F3/016 ,  G06F3/0414

Abstract: An information processing device includes: an acquisition unit that acquires sensing information regarding a user and first haptic information unique to a haptic presentation object; and a data processing unit that generates second haptic information from the first haptic information on the basis of the sensing information, the second haptic information being used in a case where a haptic presentation device presents a haptic stimulus to the user.