Patents by Inventor Chung-Cheng Chou

Chung-Cheng Chou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for read assist to compensate for weak bit
    Patent number: 8958232
    Abstract: A memory assist apparatus includes a detection circuit and a compensation circuit. The detection circuit is configured to provide a detection signal indicating whether a bit line configured to provide read access to a data bit stored at a memory bit cell has a voltage below a predetermined threshold. The compensation circuit is configured to pull down the voltage of the bit line if the detection signal indicates that the voltage of the bit line is below the predetermined threshold.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: February 17, 2015
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jonathan Tsung-Yung Chang, Cheng Hung Lee, Chung-Cheng Chou, Hung-Jen Liao, Bin-Hau Lo
  • Intraocular pressure detecting device and detecting method thereof
    Patent number: 8900143
    Abstract: An intraocular pressure detecting device includes an image capturing unit, a processor, and a pressure detection unit. The image capturing unit, coupled to the image capturing unit, is capable of acquiring an eye image. According to the eye image, the processor can determine an intraocular pressure detection area. After the pressure detection unit detects the intraocular pressure detection area, the intraocular pressure is calculated by the processor of the intraocular pressure detecting device.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: December 2, 2014
    Assignee: Crystalvue Medical Corporation
    Inventors: Meng-Shin Yen, William Wang, Chung-Cheng Chou
  • Optical touch apparatus
    Patent number: 8896574
    Abstract: The invention provides an optical touch apparatus. The optical touch apparatus includes at least one optical path unit and at least one light sensing unit. The at least one optical path unit is located on a first side of a display unit of the optical touch apparatus and used to receive at least one directional incident light, the at least one directional incident light is focused to form an image in an imaging region through at least one refraction in the at least one optical path unit. The at least one light sensing unit is located at a relative position of the at least one optical path unit, and used to generate a sensing result according to the image in the imaging region.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: November 25, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: Long Hsu, Meng-Shin Yen, William Wang, Chung-Cheng Chou
  • OPTICAL APPARATUS AND OPERATING METHOD THEREOF
    Publication number: 20140320811
    Abstract: An optical apparatus applied to ophthalmology detection is disclosed. The optical apparatus includes an image capturing unit, a data comparing unit, a detection unit, a location determining unit, and a data output unit. The image capturing unit captures images of different portions of a face of a person to be tested to obtain a plurality of face images. The data comparing unit compares the plurality of face images with a built-in database. The detection unit detects on an eye of the person to be tested. The location determining unit automatically determines whether the eye detected by the detection unit is left-eye or right-eye. The data output unit selectively outputs a detection result of the detection unit, a comparing result of the data comparing unit, and/or a determining result of the location determining unit.
    Type: Application
    Filed: April 28, 2014
    Publication date: October 30, 2014
    Applicant: Crystalvue Medical Corporation
    Inventors: William Wang, Chung-Ping Chuang, MENG-SHIN YEN, CHUNG-CHENG CHOU
  • Data inputting apparatus and electronic apparatus
    Patent number: 8847891
    Abstract: A data inputting apparatus includes a plurality of keyswitches, an optical module, a sensing module and a processing module. The keyswitches are disposed on the data inputting apparatus. The optical module is disposed on a first side of the data inputting apparatus and is used for emitting a plurality of lights along a first direction, and the lights are corresponding to the keyswitches respectively. The sensing module is disposed on a second side opposite to the first side and is used for receiving the lights and generating a sensing result. The processing module is coupled to the sensing module. When one of the keyswitches is pressed, one of the lights is blocked by the pressed keyswitch resulting in the sensing module adjusting the sensing result, and the position of the pressed keyswitch is determined by the processing module based on the sensing result.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: September 30, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: William Wang, Meng-Shin Yen, Chung-Cheng Chou
  • Integration of Magneto-Resistive Random Access Memory and Capacitor
    Publication number: 20140264463
    Abstract: The present disclosure provides one embodiment of a semiconductor structure that includes a first metal layer formed on a semiconductor substrate, wherein the first metal layer includes a first metal feature in a first region and a second metal feature in a second region; a second metal layer disposed on the first metal layer, wherein the second metal layer includes a third metal feature in the first region and a fourth metal feature in a second region; a magneto-resistive memory device sandwiched between the first metal feature and the third metal feature; and a capacitor sandwiched between the second metal feature and the fourth metal feature.
    Type: Application
    Filed: October 30, 2013
    Publication date: September 18, 2014
    Inventors: Chung-Cheng Chou, Ya-Chen Kao, Tien-Wei Chiang
  • BIOCHEMICAL DETECTION UNIT AND BIOCHEMICAL DEVICE HAVING THE SAME
    Publication number: 20140248716
    Abstract: A biochemical detection unit for detecting a sample and a biochemical device having the biochemical detection unit and a releasing unit are provided. The biochemical detection unit includes a photoconductor plate, a receptor, and a resistance sensing component. The receptor specifically binds to the sample so that the illumination projected on the photoconductor plate will change to vary the resistance value of the photoconductor of the photoconductor plate.
    Type: Application
    Filed: May 9, 2014
    Publication date: September 4, 2014
    Applicant: CRYSTALVUE MEDICAL CORPORATION
    Inventors: Chung-Cheng Chou, William WANG
  • METHOD AND APPARATUS FOR ADAPTIVE TIMING WRITE CONTROL IN A MEMORY
    Publication number: 20140219002
    Abstract: A bit line, which is coupled to a resistive element of a memory cell is set to a first voltage level. The memory cell may be an MRAM cell or an RRAM cell. The resistive element is configured to have a first resistance in a first state of the memory cell and a second resistance in a second state of the memory cell. A source line, which is selectively coupled to the memory cell by an access transistor, is set to a second voltage level. A word line signal is asserted to apply a first bias voltage across the resistive element. The applied first bias voltage initiates a write operation at the memory cell. The word line signal is deasserted after a variable time duration based on a detection, during the write operation, of a current through the resistive element.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 7, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: PoHao LEE, Chung-Cheng CHOU
  • DATA INPUTTING APPARATUS AND ELECTRONIC APPARATUS
    Publication number: 20140210726
    Abstract: A data inputting apparatus includes a plurality of keyswitches, an optical module, a sensing module and a processing module. The keyswitches are disposed on the data inputting apparatus. The optical module is disposed on a first side of the data inputting apparatus and is used for emitting a plurality of lights along a first direction, and the lights are corresponding to the keyswitches respectively. The sensing module is disposed on a second side opposite to the first side and is used for receiving the lights and generating a sensing result. The processing module is coupled to the sensing module. When one of the keyswitches is pressed, one of the lights is blocked by the pressed keyswitch resulting in the sensing module adjusting the sensing result, and the position of the pressed keyswitch is determined by the processing module based on the sensing result.
    Type: Application
    Filed: March 31, 2014
    Publication date: July 31, 2014
    Inventors: William Wang, Meng-Shin Yen, Chung-Cheng Chou
  • Data inputting apparatus and electronic apparatus
    Patent number: 8766920
    Abstract: A data inputting apparatus includes a plurality of keyswitches, an optical module, a sensing module and a processing module. The keyswitches are disposed on the data inputting apparatus. The optical module is disposed on a first side of the data inputting apparatus and is used for emitting a plurality of lights along a first direction, and the lights are corresponding to the keyswitches respectively. The sensing module is disposed on a second side opposite to the first side and is used for receiving the lights and generating a sensing result. The processing module is coupled to the sensing module. When one of the keyswitches is pressed, one of the lights is blocked by the pressed keyswitch resulting in the sensing module adjusting the sensing result, and the position of the pressed keyswitch is determined by the processing module based on the sensing result.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: July 1, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: William Wang, Meng Shin Yen, Chung Cheng Chou
  • Optical coherence tomography apparatus and operating method thereof
    Patent number: 8755050
    Abstract: An optical coherence tomography apparatus includes a light source, a light coupling module, and an optical path difference generating module. The light source emits a coherent light. The light coupling module divides the coherent light into a first incident light and a second incident light. The first incident light is emitted to an item to be inspected and a first reflected light is generated. The second incident light is emitted to the optical path difference generating module, a second reflected light is generated according to the second incident light by the optical path difference generating module through changing the transparent/reflection properties of at least one optical devices of the optical path difference generating module, so that there is a optical path difference between the first reflected light and the second reflected light.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: June 17, 2014
    Assignee: Crystalvue Medical Corporation
    Inventors: Chung-Cheng Chou, William Wang
  • SRAM write assist apparatus
    Patent number: 8724420
    Abstract: An SRAM write assist apparatus comprises a timer unit and a voltage divider. The voltage divider unit is configured to divide a voltage potential down to a lower level. The output of the voltage divider is connected to a memory cell in a write operation. The timer unit is configured to generate a pulse having a width inversely proportional to the voltage potential applied to a memory chip. Furthermore, the timer unit controls the period in which a lower voltage from the output of the voltage divider is applied to the memory cell. Moreover, external level and timing programmable signals can be used to further adjust the voltage divider's ratio and the pulse width from the timer unit. By employing the SRAM write assist apparatus, a memory chip can perform a reliable and fast write operation.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: May 13, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chiting Cheng, Chung-Cheng Chou, Tsung-yung Jonathan Chang
  • OPTICAL APPARATUS AND OPERATING METHOD THEREOF
    Publication number: 20140114145
    Abstract: The optical apparatus includes an optical measurement module, a central processing module, and an air-puff module. The air-puff module is used for generating an air pressure to a surface of the cornea according a blow pattern to cause a deformation of the cornea. The optical measurement module includes a first unit and a second unit. The first unit is used for measuring an intraocular pressure (IOP) of the eye according to the deformation of the cornea. The second unit is used for measuring properties of the cornea in an optical interference way. The central processing module is coupled to the first unit and the second unit and used for receiving and processing the intraocular pressure and the properties of the cornea to provide a result.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 24, 2014
    Applicant: CRYSTALVUE MEDICAL CORPORATION
    Inventors: William WANG, Chung-Ping CHUANG, Meng-Shin YEN, Chung-Cheng CHOU
  • Optical touch apparatus with noise suppressing function and method of operating the same
    Patent number: 8698780
    Abstract: An optical touch apparatus is disclosed. The optical touch apparatus comprises a light emitting module, a noise suppressing module, a light sensing module, and a processing module. The light emitting module emits at least one sensing beam, and the at least one sensing beam comprises a plurality of sensing rays. If an emitting angle of a specific sensing ray among the plurality of sensing rays toward a light sensor of the light sensing module is larger than a default value, the noise suppressing module will block the specific sensing ray from emitting into the light sensor. After the light sensing module generates a sensing result according to the condition of the light sensing module receiving the at least one sensing beam, the processing module will determine the position of a touch point according to the sensing result.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: April 15, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: Meng-Shin Yen, William Wang, Chung-Cheng Chou
  • Optical touch apparatus and operating method thereof
    Patent number: 8692803
    Abstract: An optical touch apparatus includes a light source emitting module, an optical module, a light sensing module, and a processing module. The optical module and the light sensing module are set on a first side and a second side of a surface of the optical touch apparatus. The light source emitting module sequentially emits a first light source and a second light source. A plurality of scanning lights of the second light source is uniformly distributed above the surface. The optical module receives the first light source and uniformly emits a plurality of lights. The light sensing module generates a first sensing result and a second sensing result based on the conditions of receiving the lights and scanning lights respectively. The processing module determines at least one touch point location corresponding to at least one object on the surface based on the first sensing result and the second sensing result.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: April 8, 2014
    Assignee: Raydium Semiconductor Corporation
    Inventors: Meng-Shin Yen, William Wang, Chung-Cheng Chou
  • MICROFLUIDIC CONTROL APPARATUS AND OPERATING METHOD THEREOF
    Publication number: 20140034499
    Abstract: A microfluidic control apparatus operating method is disclosed. The microfluidic control apparatus operating method is applied in a microfluidic control apparatus, and the microfluidic control apparatus includes a photoconductive material layer and a flow passage. The microfluidic control apparatus operating method includes steps of (a) when a light with a specific optical pattern is emitted toward the photoconductive material layer, at least three virtual electrodes being formed on the photoconductive material layer according to the specific optical pattern; (b) when the specific optical pattern changes, the at least three virtual electrodes also changing to generate an electro-osmotic force to control a moving state of a microfluid in the flow passage.
    Type: Application
    Filed: October 7, 2013
    Publication date: February 6, 2014
    Applicant: CRYSTALVUE MEDICAL CORPORATION
    Inventors: Cheng-Hsien LIU, William WANG, Long HSU, Yuh-Shyong YANG, Hwan-You CHANG, Shih-Mo YANG, Chung-Cheng CHOU
  • ENDOSCOPY APPARATUS HAVING HIGH DEGREE OF MOTION FREEDOM AND OPERATING METHOD THEREOF
    Publication number: 20140018627
    Abstract: An endoscopy apparatus having high degree of motion freedom and the operating method thereof are disclosed. The endoscopy apparatus having high degree of motion freedom includes a multi-stage endoscopy module and a control module. The multi-stage endoscopy module includes at least a first endoscopy unit and a second endoscopy unit. The first endoscopy unit and the second endoscopy unit can provide a first bending and a second bending respectively. The second bending is larger than the first bending. When the multi-stage endoscopy module moves to a region near a target observing position, the control module will control the second endoscopy unit to generate slight deformation to observe a real-time state of the target observing position.
    Type: Application
    Filed: September 19, 2013
    Publication date: January 16, 2014
    Applicant: CRYSTALVUE MEDICAL CORPORATION
    Inventors: Chung-Cheng CHOU, William WANG
  • Memory building blocks and memory design using automatic design tools
    Patent number: 8631365
    Abstract: The memory building blocks can be used in conjunction with ASIC automatic design tools to generate a memory macro (e.g., a memory array) using a known ASIC design flow including, for example, register transfer level (RTL), synthesis, automatic place and route (APR) and timing analysis.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: January 14, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Subramani Kengeri, Chung-Cheng Chou, Bharath Upputuri, Hank Cheng, Ming-Zhang Kuo, Pey-Huey Chen
  • SRAM read and write assist apparatus
    Patent number: 8630132
    Abstract: A SRAM READ and WRITE assist apparatus comprises a bit line voltage tracking block, a READ assist timer, a READ assist unit, a WRITE assist unit a WRITE control unit. The bit line voltage tracking block detects a voltage on a tracking bit line coupled to a plurality of tracking memory cells. In response to the voltage drop on the tracking bit line, the READ assist timer generates a READ assist pulse. When the READ assist pulse has a logic high state, an activated word line is pulled down to a lower voltage. Such a lower voltage helps to improve the robustness of SRAM memory circuits so as to avoid READ and WRITE failures.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: January 14, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chiting Cheng, Chung-Cheng Chou, Jonathan Tsung-Yung Chang
  • Optical touch apparatus and operating method thereof
    Patent number: 8619061
    Abstract: An optical touch apparatus is disclosed. The optical touch apparatus comprises at least one light sensing module and a processing module. The at least one light sensing module is set at a first side of a surface of the optical touch apparatus, and used for receiving at least one light and generating a sensing result according to the condition of receiving the at least one light. The sensing result relates to whether the at least one light is blocked by at least one object above the surface and also relates to a comparing result between the at least one object and a reference region. The reference region is set at an opposite second side of the surface. The processing module determines at least one touch point position corresponding to the at least one object on the surface according to the sensing result.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 31, 2013
    Assignee: Raydium Semiconductor Corporation
    Inventors: Meng Shin Yen, William Wang, Chung Cheng Chou