Patents Assigned to Egis Technology Inc.
  • Publication number: 20230043020
    Abstract: The invention provides an image scanning device and an image scanning method. The image scanning device includes: a display that emits red light, green light, and blue light to expose an object when the object contacts the display; the sensor is arranged below the display, and the sensor obtains a first image corresponding to the red light, a second image corresponding to the green light and a third image corresponding to the blue light; and the processing module is coupled to the sensor and the display, and the processing module generates an object image corresponding to the object according to the first image, the second image and the third image.
    Type: Application
    Filed: June 10, 2020
    Publication date: February 9, 2023
    Applicant: Egis Technology Inc.
    Inventors: Chen Yang, Kuan-Yi Lin, Chia-Wei Lin, Yu-Hua Lin, Chun-Ching Tseng
  • Publication number: 20230043448
    Abstract: A detection circuit includes a first detection terminal, a second detection terminal, a first switch, a second switch, a first capacitor, a second capacitor and an amplifier. The first switch is coupled to the first detection terminal. The second switch is coupled to the second detection terminal. The first capacitor is coupled between the first switch and the second switch. The amplifier includes a first input terminal coupled to the second switch, a second input terminal used to receive an operation signal, and an output terminal used to output an output signal. The second capacitor is coupled between the first input terminal and the output terminal of the amplifier. The first switch and the second switch are turned on alternatively.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 9, 2023
    Applicant: Egis Technology Inc.
    Inventors: Chung-Yi Wang, Yu-Hsuan Lin, Tzu-Li Hung
  • Publication number: 20230031737
    Abstract: A light sensing device including a first conductivity type buried layer, a second conductivity type well, and a first conductivity type well is provided. The second conductivity type well is on the first conductivity type buried layer. The first conductivity type well is on the second conductivity type well and surrounded by the second conductivity type well.
    Type: Application
    Filed: January 11, 2022
    Publication date: February 2, 2023
    Applicant: Egis Technology Inc.
    Inventor: Chin-An Hsieh
  • Publication number: 20230028250
    Abstract: An optical sensing apparatus is provided. A bias-voltage generating circuit provides a first bias voltage and a second bias voltage to a photo-sensing diode when the optical sensing apparatus is respectively in a first mode and a second mode, such that the photo-sensing diode provides a time-of-flight ranging signal in the first mode and an ambient-light sensing signal in the second mode. A quenching circuit provides the time-of-flight ranging signal to a ranging signal processing circuit in the first mode, quenches the photo-sensing diode, and provides the ambient-light sensing signal to a light-sensing signal processing circuit in the second mode.
    Type: Application
    Filed: May 23, 2022
    Publication date: January 26, 2023
    Applicant: Egis Technology Inc.
    Inventors: Yao-Sheng Hu, Chin-An Hsieh, Ching-Wei Chen
  • Patent number: 11557144
    Abstract: A capacitive fingerprint sensing device is provided. A sensing pixel unit includes a capacitor, a reset circuit, and a sensing capacitor. The reset circuit provides a reset voltage during a reset period to reset a voltage on the capacitor and provides an adjustment current during a sensing period to adjust a sense voltage generated on a common junction of the capacitor and the reset circuit.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: January 17, 2023
    Assignee: Egis Technology Inc.
    Inventors: Yu-Hsuan Lin, Chung-Yi Wang, Zhe-Wei Kuo
  • Patent number: 11545098
    Abstract: A driving apparatus for a display panel is provided. The driving apparatus for the display panel is configured on a film by means of a Chip-on-Film (COF) package. A selection circuit receives multiple driving voltages. A control circuit is coupled to the selection circuit and controls the selection circuit to output one of the multiple driving voltages, so as to drive the display panel.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: January 3, 2023
    Assignee: Egis Technology Inc.
    Inventors: Chung-Yi Wang, Yu-Hsuan Lin
  • Patent number: 11538275
    Abstract: A fingerprint sensing device and an operation method thereof are provided. The fingerprint sensing device includes a driver integrated chip and a fingerprint sensor. The driver integrated chip is coupled to a host processor. The fingerprint sensor is coupled to the driver integrated chip and the host processor. The fingerprint sensor obtains a fingerprint image during a period when the host processor is in the sleep mode. The driver integrated chip performs a fingerprint verification on the fingerprint image, and the driver integrated chip determines to wake up the host processor according to whether the fingerprint image passes the fingerprint verification.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: December 27, 2022
    Assignee: Egis Technology Inc.
    Inventors: Yao-Li Huang, Yu-Hsuan Lin, Chung-Yi Wang
  • Publication number: 20220374494
    Abstract: A data processing method and circuit based on convolution computation are provided. In the data processing method, a shared memory structure is provided, convolution computation of data in batches or duplicated data is provided, an allocation mechanism for storing data into multiple memories is provided, and a signed padding mechanism is provided. Therefore, a flexible and efficient convolution computation mechanism and structure are provided.
    Type: Application
    Filed: April 12, 2022
    Publication date: November 24, 2022
    Applicant: Egis Technology Inc.
    Inventors: Kun-Hua Huang, Chih-Hsiung Lin
  • Publication number: 20220374493
    Abstract: A data processing method and circuit based on convolution computation are provided. In the data processing method, a shared memory structure is provided, convolution computation of data in batches or duplicated data is provided, an allocation mechanism for storing data into multiple memories is provided, and a signed padding mechanism is provided. Therefore, a flexible and efficient convolution computation mechanism and structure are provided.
    Type: Application
    Filed: April 12, 2022
    Publication date: November 24, 2022
    Applicant: Egis Technology Inc.
    Inventors: Kun-Hua Huang, Chih-Hsiung Lin
  • Publication number: 20220377230
    Abstract: A remote monitoring device and a remote monitoring method thereof are provided. An energy harvesting device converts energy harvested from the surrounding environment into electrical energy for storage. An image capturing device captures an image of a monitored object to generate a captured image. When the power stored in the energy harvesting device meets a preset condition, a control circuit outputs monitoring information based on the captured image.
    Type: Application
    Filed: March 30, 2022
    Publication date: November 24, 2022
    Applicant: Egis Technology Inc.
    Inventor: Gong-Yi Lin
  • Publication number: 20220374495
    Abstract: A data processing method and circuit based on convolution computation are provided. In the data processing method, a shared memory structure is provided, convolution computation of data in batches or duplicated data is provided, an allocation mechanism for storing data into multiple memories is provided, and a signed padding mechanism is provided. Therefore, a flexible and efficient convolution computation mechanism and structure are provided.
    Type: Application
    Filed: April 12, 2022
    Publication date: November 24, 2022
    Applicant: Egis Technology Inc.
    Inventors: Kun-Hua Huang, Chih-Hsiung Lin
  • Patent number: 11494645
    Abstract: A convolutional neural network processor includes an information decode unit and a convolutional neural network inference unit. The information decode unit is configured to receive a program input and weight parameter inputs and includes a decoding module and a parallel processing module. The decoding module receives the program input and produces an operational command according to the program input. The parallel processing module is electrically connected to the decoding module, receives the weight parameter inputs and includes a plurality of parallel processing sub-modules for producing a plurality of weight parameter outputs. The convolutional neural network inference unit is electrically connected to the information decode unit and includes a computing module. The computing module is electrically connected to the parallel processing module and produces an output data according to an input data and the weight parameter outputs.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: November 8, 2022
    Assignee: Egis Technology Inc.
    Inventor: Chao-Tsung Huang
  • Publication number: 20220343688
    Abstract: A gesture recognition system and a gesture recognition method are provided. The gesture recognition system includes a fingerprint sensor and a processing circuit. The processing circuit obtains a first fingerprint image and a second fingerprint image through the fingerprint sensor. The processing circuit obtains a plurality of first coordinate parameters of a plurality of first coordinate points in the first fingerprint image, and obtains a plurality of second coordinate parameters of a plurality of second coordinate points in the second fingerprint image. The first coordinate points of the first fingerprint image and the second coordinate points of the second fingerprint image respectively have a plurality of grayscale values corresponding to each other. The processing circuit determines a gesture operation according to the first coordinate parameters and the second coordinate parameters.
    Type: Application
    Filed: October 29, 2020
    Publication date: October 27, 2022
    Applicant: Egis Technology Inc.
    Inventors: Chao-Yi Yeh, Kuan-Yi Lin
  • Publication number: 20220335746
    Abstract: A fingerprint sensing device, comprising an integrator circuit (102). The integrator circuit (102) performs integration operations on a plurality of sub-sensing signals in batches so as to accumulate sensing values of the plurality of sub-sensing signals and generate a sensing signal corresponding to each sensing pixel, wherein during a voltage setting period of a switch of the integrator circuit (102) and a capacitor circuit (106), an output terminal and a negative input terminal of a first amplifier (A1) are connected to each other, and the connection between a second capacitor (C2) and the negative input terminal and output terminal of the first amplifier (A1) is disconnected; and during the integration operation, the second capacitor (C2) is coupled between the negative input terminal and the output terminal of the first amplifier (A1) so as to perform the integration operation.
    Type: Application
    Filed: April 30, 2020
    Publication date: October 20, 2022
    Applicant: Egis Technology Inc.
    Inventor: Shiue-Shin Liu
  • Publication number: 20220333911
    Abstract: A distance sensing apparatus including a substrate, a light source, a sensing device and an encapsulation structure is provided. The sensing device includes a sensing element and a light-shielding structure. The light source disposed in a light source region emits a beam for irradiating an object to be sensed. The light-shielding structure is disposed on the sensing element. The light source and the sensing device are disposed in the encapsulation structure. The encapsulation structure has a first opening corresponding to a sensing region. The light-shielding structure is disposed between the sensing element and the first opening, and the sensing element receives a beam to be sensed reflected by the object to be sensed and penetrating the first opening and at least a light-transmitting hole of the light-shielding structure. The light source region and the sensing regions are interconnected in the encapsulation structure.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 20, 2022
    Applicant: Egis Technology Inc.
    Inventor: Chen-Chih Fan
  • Publication number: 20220327668
    Abstract: The present invention relates to a fingerprint sensing module suitable for being configured below a display module, and comprising a plurality of sensing elements and a signal processor. The display module projects a background beam and a marking beam to a finger pressed onto the display module. The plurality of sensing elements sense a fingerprint image generated after the background beam and the marking beam are reflected by the finger and pass through the display module. The signal processor is electrically connected to the plurality of sensing elements, and converts the fingerprint image into a corrected fingerprint image by using a corrected image. The present invention also relates to a fingerprint sensing method.
    Type: Application
    Filed: February 27, 2020
    Publication date: October 13, 2022
    Applicant: Egis Technology Inc.
    Inventors: Kuan-Yi Lin, Tong-Long Fu
  • Publication number: 20220319225
    Abstract: An electronic apparatus and a fingerprint sensing module suitable for being arranged below a display panel and including an image sensor disposed below the display panel, microlens array disposed between the image sensor and the display panel and including microlenses arranged in an array, and an ambient light blocking filter disposed between the image sensor and the microlens array and having light channels are provided. Each light channel is surrounded and formed by a light shielding body. Light beams from the microlenses are respectively transmitted to the image sensor through the light channels. The microlens array images a fingerprint of a finger contacting an upper surface of the display panel onto the image sensor, but does not image an electrode structure in the display panel onto the image sensor. The fingerprint sensing module can produce high-contrast fingerprint images and suppress moiré interference, and is less affected by ambient light.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 6, 2022
    Applicant: Egis Technology Inc.
    Inventor: Chao-Yi Yeh
  • Patent number: 11460495
    Abstract: A circuit for measuring a passive component includes a first comparator, a second comparator, a third comparator and a counter. The first comparator compares a first voltage and a first reference voltage to generate a first comparison signal. The second comparator compares a second voltage and a second reference voltage to generate a second comparison signal. The third comparator compares a third voltage and a third reference voltage to generate a third comparison signal. The counter counts the number of pulses according to the third comparison signal. The number of pulses corresponds to time for the third voltage to drop to the third reference voltage, and the first comparison signal and the second comparison signal are used to control the drop of the third voltage.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: October 4, 2022
    Assignee: Egis Technology Inc.
    Inventor: Tzu-Li Hung
  • Publication number: 20220311441
    Abstract: A capacitive sensing device is provided. A control circuit adjusts a capacitance value of an adjustable capacitor unit according to a digital sensing signal converted from a sensing signal by an analog-to-digital converter, such that the capacitance value of the adjustable capacitor unit approaches a background parasitic capacitor.
    Type: Application
    Filed: April 24, 2020
    Publication date: September 29, 2022
    Applicant: Egis Technology Inc.
    Inventor: Shiue-Shin Liu
  • Publication number: 20220309255
    Abstract: A sum-of-products calculation apparatus is provided. The sum-of-products calculation apparatus includes an analog-to-digital (A-to-D) conversion circuit having an encoder circuit and a plurality of inverters. Threshold voltages of the inverters are set according to classification threshold values of an activation function. The inverters generate a plurality of bit signals in response to an analog sum-of-products signal. The encoder circuit encodes the bit signals to generate a digital signal.
    Type: Application
    Filed: March 1, 2022
    Publication date: September 29, 2022
    Applicant: Egis Technology Inc.
    Inventor: Chun Hsien Su