Patents by Inventor Go Asayama
Go Asayama 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).
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Patent number: 9882574Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.Type: GrantFiled: December 21, 2015Date of Patent: January 30, 2018Assignee: Sony CorporationInventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
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Publication number: 20170318252Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: ApplicationFiled: July 20, 2017Publication date: November 2, 2017Inventors: Yusuke Minagawa, Go Asayama
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Patent number: 9769409Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: GrantFiled: June 23, 2015Date of Patent: September 19, 2017Assignee: Sony CorporationInventors: Yusuke Minagawa, Go Asayama
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Patent number: 9607971Abstract: A semiconductor device includes a first substrate that has a sensing portion that detects predetermined information, a second substrate that has a first processing portion that processes data supplied thereto from the sensing portion, and a third substrate having a second processing portion that processes data supplied thereto either from the first substrate or from the second substrate.Type: GrantFiled: May 24, 2013Date of Patent: March 28, 2017Assignee: Sony CorporationInventors: Go Asayama, Anup Sharma
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Publication number: 20160218731Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.Type: ApplicationFiled: December 21, 2015Publication date: July 28, 2016Inventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
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Patent number: 9344637Abstract: An apparatus and a method that can efficiently generate a wide dynamic range image to which each piece of pixel information of a high sensitivity pixel and a low sensitivity pixel is applied are realized. High sensitivity pixel information obtained by adding pixel values of a plurality of high sensitivity pixels and low sensitivity pixel information obtained by adding pixel values of a plurality of low sensitivity pixels are output as output pixel signals from pixels of different sensitivities from a pixel unit, these pixel information are combined in a pixel information combining unit, an output pixel value is determined, and an output image of a wide dynamic range is output.Type: GrantFiled: June 21, 2012Date of Patent: May 17, 2016Assignee: Sony CorporationInventors: Masanori Kasai, Go Asayama
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Patent number: 9264057Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.Type: GrantFiled: January 17, 2014Date of Patent: February 16, 2016Assignee: Sony CorporationInventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
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Publication number: 20150288905Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: ApplicationFiled: June 23, 2015Publication date: October 8, 2015Inventors: Yusuke Minagawa, Go Asayama
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Patent number: 9137472Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: GrantFiled: November 3, 2014Date of Patent: September 15, 2015Assignee: SONY CORPORATIONInventors: Yusuke Minagawa, Go Asayama
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Publication number: 20150054996Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: ApplicationFiled: November 3, 2014Publication date: February 26, 2015Inventors: Yusuke Minagawa, Go Asayama
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Publication number: 20150042853Abstract: A solid-state imaging device includes: a pixel unit in which a plurality of pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing AD conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, wherein the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals read out in accordance with the read-out mode while performing AD conversion for the division pixel signals.Type: ApplicationFiled: October 23, 2014Publication date: February 12, 2015Inventors: Yusuke Minagawa, Go Asayama
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Publication number: 20150014516Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.Type: ApplicationFiled: January 17, 2014Publication date: January 15, 2015Applicant: Sony CorporationInventors: Go ASAYAMA, Noriyuki FUKUSHIMA, Yoshikazu NITTA, Yoshinori MURAMATSU, Kiyotaka AMANO
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Patent number: 8908073Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: GrantFiled: August 24, 2012Date of Patent: December 9, 2014Assignee: Sony CorporationInventors: Yusuke Minagawa, Go Asayama
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Patent number: 8896735Abstract: A solid-state imaging device includes: a pixel unit in which a plurality of pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing AD conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, wherein the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals read out in accordance with the read-out mode while performing AD conversion for the division pixel signals.Type: GrantFiled: August 24, 2012Date of Patent: November 25, 2014Assignee: Sony CorporationInventors: Yusuke Minagawa, Go Asayama
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Publication number: 20140267828Abstract: An apparatus and a method that can efficiently generate a wide dynamic range image to which each piece of pixel information of a high sensitivity pixel and a low sensitivity pixel is applied are realized. High sensitivity pixel information obtained by adding pixel values of a plurality of high sensitivity pixels and low sensitivity pixel information obtained by adding pixel values of a plurality of low sensitivity pixels are output as output pixel signals from pixels of different sensitivities from a pixel unit, these pixel information are combined in a pixel information combining unit, an output pixel value is determined, and an output image of a wide dynamic range is output.Type: ApplicationFiled: June 21, 2012Publication date: September 18, 2014Applicant: Sony CorporationInventors: Masanori Kasai, Go Asayama
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Patent number: 8773580Abstract: A solid-state image pickup device includes a pixel array unit that includes photoelectric conversion elements and in which a plurality of pixels are arranged in rows and columns that output, as pixel signals, electrical signals obtained by photoelectric conversion performed by amplifier elements to which pixel power supply voltage is supplied and that drive signal lines, a pixel power supply unit that generates the pixel power supply voltage from power supply voltage, the pixel power supply voltage being lower than the power supply voltage, and that supplies the pixel power supply voltage to the amplifier elements in the plurality of pixels, and a pixel signal read unit that reads pixel signals from the plurality of pixels.Type: GrantFiled: August 23, 2012Date of Patent: July 8, 2014Assignee: Sony CorporationInventors: Hiroaki Ebihara, Go Asayama
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Patent number: 8674865Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.Type: GrantFiled: May 23, 2011Date of Patent: March 18, 2014Assignee: Sony CorporationInventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
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Publication number: 20130320197Abstract: A semiconductor device includes a first substrate that has a sensing portion that detects predetermined information, a second substrate that has a first processing portion that processes data supplied thereto from the sensing portion, and a third substrate having a second processing portion that processes data supplied thereto either from the first substrate or from the second substrate.Type: ApplicationFiled: May 24, 2013Publication date: December 5, 2013Applicant: SONY CORPORATIONInventors: Go Asayama, Anup Sharma
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Publication number: 20130063637Abstract: A solid-state image pickup device includes a pixel array unit that includes photoelectric conversion elements and in which a plurality of pixels are arranged in rows and columns that output, as pixel signals, electrical signals obtained by photoelectric conversion performed by amplifier elements to which pixel power supply voltage is supplied and that drive signal lines, a pixel power supply unit that generates the pixel power supply voltage from power supply voltage, the pixel power supply voltage being lower than the power supply voltage, and that supplies the pixel power supply voltage to the amplifier elements in the plurality of pixels, and a pixel signal read unit that reads pixel signals from the plurality of pixels.Type: ApplicationFiled: August 23, 2012Publication date: March 14, 2013Applicant: Sony CorporationInventors: Hiroaki Ebihara, Go Asayama
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Publication number: 20130057744Abstract: A solid-state imaging device includes: a pixel unit in which pixels are arranged in a matrix pattern; and a pixel signal read-out unit including an AD conversion unit performing analog-to-digital (AD) conversion of a pixel signal read out from the pixel unit, wherein each pixel included in the pixel unit includes division pixels divided into regions in which photosensitivity levels or electric charge accumulating amounts are different from one another, the pixel signal reading unit includes a normal read-out mode and a multiple read-out mode, and includes a function of changing a configuration of a frame in accordance with a change of the read-out mode, and wherein the AD conversion unit acquires a pixel signal of one pixel by adding the division pixel signals while performing AD conversion for the division pixel signals.Type: ApplicationFiled: August 24, 2012Publication date: March 7, 2013Applicant: SONY CORPORATIONInventors: Yusuke Minagawa, Go Asayama