Patents by Inventor Hideta Nishizawa
Hideta Nishizawa 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).
-
Publication number: 20240040284Abstract: An image sensor comprises: a plurality of sample-and-hold circuits that sample and hold a plurality of signals input from a plurality of different pixels; a plurality of converters that convert the signals held in the plurality of sample-and-hold circuits to currents corresponding to potentials of the signals, respectively; a switch that connects/disconnects the plurality of converters; and a plurality of output circuits wherein, in a case where the switch connects the plurality of converters, the currents converted by the plurality of converters are added and output from one of the plurality of output circuits, and, in a case where the switch disconnects the plurality of converters, the currents converted by the plurality of converters are output from the plurality of output circuits, respectively.Type: ApplicationFiled: July 21, 2023Publication date: February 1, 2024Inventors: Hideta Nishizawa, Hitoshi Nasu
-
Patent number: 11749028Abstract: An electronic device includes an acquiring unit configured to acquire a positional relationship between a subject and the electronic device, a normalization unit configured to normalize posture information of the subject based on a positional relationship acquired by the acquiring unit and a controlling unit configured to perform control to perform predetermined notification in a case where posture information of the subject that is normalized satisfies a predetermined condition, and control not to perform the predetermined notification in a case where posture information of the subject that is normalized is not the predetermined posture.Type: GrantFiled: February 12, 2021Date of Patent: September 5, 2023Assignee: Canon Kabushiki KaishaInventors: Yuki Totori, Tomohiro Taguchi, Hideta Nishizawa, Shinya Nakano, Shogo Fujiwara, Hiroaki Kubo
-
Publication number: 20230039896Abstract: An electronic apparatus includes: control means for performing control to record, in recording means, characteristic data on a line-of-sight; authentication means for authenticating a user; and detection means for detecting, in a case where characteristic data on a line-of-sight of the authenticated user is recorded in the recording means, a line-of-sight of the user by using the recorded characteristic data on the line-of-sight.Type: ApplicationFiled: October 21, 2022Publication date: February 9, 2023Inventor: Hideta Nishizawa
-
Publication number: 20210264143Abstract: An electronic device includes an acquiring unit configured to acquire a positional relationship between a subject and the electronic device, a normalization unit configured to normalize posture information of the subject based on a positional relationship acquired by the acquiring unit and a controlling unit configured to perform control to perform predetermined notification in a case where posture information of the subject that is normalized satisfies a predetermined condition, and control not to perform the predetermined notification in a case where posture information of the subject that is normalized is not the predetermined posture.Type: ApplicationFiled: February 12, 2021Publication date: August 26, 2021Inventors: Yuki Totori, Tomohiro Taguchi, Hideta Nishizawa, Shinya Nakano, Shogo Fujiwara, Hiroaki Kubo
-
Patent number: 9942504Abstract: An image capturing apparatus comprises an image sensor and a generation unit configured to generate a signal of each of the pixels from the signals respectively read out from the plurality of charge accumulation units. The image sensor includes a plurality of pixels, each of the pixels including: a photoelectric conversion unit; a plurality of charge accumulation units for accumulating a charge generated in the photoelectric conversion unit; a control unit configured to control accumulation of charge in each of the plurality of charge accumulation units; and a readout unit configured to read out a signal corresponding to the charge from each of the plurality of charge accumulation units. The photoelectric conversion unit is formed in a first chip, and the plurality of charge accumulation units, the control unit, and the readout unit are formed in a second chip.Type: GrantFiled: February 8, 2017Date of Patent: April 10, 2018Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Patent number: 9866776Abstract: An image sensor in which a first chip and a second chip are stacked comprises: a pixel unit; output lines each configured to output a pixel signal from the pixel unit; and an analog-digital converter provided for each of the output lines. The analog-digital converter comprises a plurality of sets of the following configuration: reference signal generation units configured to generate a reference signal, a comparison unit configured to compare a signal level of a pixel signal output to one of the output lines with a signal level of the reference signal, a counter configured to count until the signal level of the pixel signal coincides with the signal level of the reference signal compared by the comparison unit. The pixel unit is arranged in the first chip and the analog-digital converter is arranged in the second chip.Type: GrantFiled: November 14, 2014Date of Patent: January 9, 2018Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Patent number: 9832360Abstract: An image capturing apparatus comprises an image sensor that includes a pixel array in which a plurality of unit pixels, each having a plurality of photoelectric conversion elements, are arranged in matrix, and a plurality of column output lines respectively provided in columns of the pixel array, and a control unit that performs control such that in a case in which signals from a portion of photoelectric conversion elements of each of the plurality of unit pixels is to be read out, signals from a plurality of unit pixels that are arranged in the same column of the pixel array are output simultaneously to one column output line out of the plurality of column output lines.Type: GrantFiled: August 6, 2015Date of Patent: November 28, 2017Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Publication number: 20170150080Abstract: An image capturing apparatus comprises an image sensor and a generation unit configured to generate a signal of each of the pixels from the signals respectively read out from the plurality of charge accumulation units. The image sensor includes a plurality of pixels, each of the pixels including: a photoelectric conversion unit; a plurality of charge accumulation units for accumulating a charge generated in the photoelectric conversion unit; a control unit configured to control accumulation of charge in each of the plurality of charge accumulation units; and a readout unit configured to read out a signal corresponding to the charge from each of the plurality of charge accumulation units. The photoelectric conversion unit is formed in a first chip, and the plurality of charge accumulation units, the control unit, and the readout unit are formed in a second chip.Type: ApplicationFiled: February 8, 2017Publication date: May 25, 2017Inventor: Hideta Nishizawa
-
Patent number: 9615045Abstract: An image capturing apparatus comprises an image sensor and a generation unit configured to generate a signal of each of the pixels from the signals respectively read out from the plurality of charge accumulation units. The image sensor includes a plurality of pixels, each of the pixels including: a photoelectric conversion unit; a plurality of charge accumulation units for accumulating a charge generated in the photoelectric conversion unit; a control unit configured to control accumulation of charge in each of the plurality of charge accumulation units; and a readout unit configured to read out a signal corresponding to the charge from each of the plurality of charge accumulation units. The photoelectric conversion unit is formed in a first chip, and the plurality of charge accumulation units, the control unit, and the readout unit are formed in a second chip.Type: GrantFiled: December 5, 2014Date of Patent: April 4, 2017Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Publication number: 20160044231Abstract: An image capturing apparatus comprises an image sensor that includes a pixel array in which a plurality of unit pixels, each having a plurality of photoelectric conversion elements, are arranged in matrix, and a plurality of column output lines respectively provided in columns of the pixel array, and a control unit that performs control such that in a case in which signals from a portion of photoelectric conversion elements of each of the plurality of unit pixels is to be read out, signals from a plurality of unit pixels that are arranged in the same column of the pixel array are output simultaneously to one column output line out of the plurality of column output lines.Type: ApplicationFiled: August 6, 2015Publication date: February 11, 2016Inventor: Hideta Nishizawa
-
Patent number: 9113098Abstract: An image pickup apparatus includes an image pickup unit having an optical black area, a control unit which reads a pixel from a selected area in a part of the image pickup unit, and a dark offset correction unit which sets a correction value acquisition area in the optical black area included in the selected areas. When the control unit performs a reading from a first selected area and a reading from a second selected area which at least partially overlaps with the first selected area, the dark offset correction unit sets a first correction value acquisition area set for the optical black area included in the first selected area and a second correction value acquisition area set for the optical black area included in the second selected area such that the first and second correction value acquisition areas at least partially overlap with each other.Type: GrantFiled: March 19, 2014Date of Patent: August 18, 2015Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Publication number: 20150163437Abstract: An image capturing apparatus comprises an image sensor and a generation unit configured to generate a signal of each of the pixels from the signals respectively read out from the plurality of charge accumulation units. The image sensor includes a plurality of pixels, each of the pixels including: a photoelectric conversion unit; a plurality of charge accumulation units for accumulating a charge generated in the photoelectric conversion unit; a control unit configured to control accumulation of charge in each of the plurality of charge accumulation units; and a readout unit configured to read out a signal corresponding to the charge from each of the plurality of charge accumulation units. The photoelectric conversion unit is formed in a first chip, and the plurality of charge accumulation units, the control unit, and the readout unit are formed in a second chip.Type: ApplicationFiled: December 5, 2014Publication date: June 11, 2015Inventor: Hideta Nishizawa
-
Publication number: 20150146063Abstract: An image sensor in which a first chip and a second chip are stacked comprises: a pixel unit; output lines each configured to output a pixel signal from the pixel unit; and an analog-digital converter provided for each of the output lines. The analog-digital converter comprises a plurality of sets of the following configuration: reference signal generation units configured to generate a reference signal, a comparison unit configured to compare a signal level of a pixel signal output to one of the output lines with a signal level of the reference signal, a counter configured to count until the signal level of the pixel signal coincides with the signal level of the reference signal compared by the comparison unit. The pixel unit is arranged in the first chip and the analog-digital converter is arranged in the second chip.Type: ApplicationFiled: November 14, 2014Publication date: May 28, 2015Inventor: Hideta Nishizawa
-
Publication number: 20140293098Abstract: An image pickup apparatus includes an image pickup unit having an optical black area, a control unit which reads a pixel from a selected area in a part of the image pickup unit, and a dark offset correction unit which sets a correction value acquisition area in the optical black area included in the selected areas. When the control unit performs a reading from a first selected area and a reading from a second selected area which at least partially overlaps with the first selected area, the dark offset correction unit sets a first correction value acquisition area set for the optical black area included in the first selected area and a second correction value acquisition area set for the optical black area included in the second selected area such that the first and second correction value acquisition areas at least partially overlap with each other.Type: ApplicationFiled: March 19, 2014Publication date: October 2, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Hideta Nishizawa
-
Patent number: 8670045Abstract: An information processing apparatus which acquires, from another information processing apparatus, data stored in the other information processing apparatus, comprising, a storage unit storing data, a selection unit selecting data stored in the storage unit, a generation unit generating, based on the selected data, condition information that determines a condition for specifying data to be requested to the other information processing apparatus, and a communication unit transmitting the condition information to the other information processing apparatus and receiving, from the other information processing apparatus, data that satisfies the determined condition.Type: GrantFiled: April 29, 2011Date of Patent: March 11, 2014Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Patent number: 8159513Abstract: An image forming apparatus includes a light beam generation unit, a light deflector having a resonance frequency and deflecting a light beam, a photosensitive member to which the deflected light beam is irradiated, and a driving control unit driving and controlling the light deflector. The driving control unit can measure a difference between a frequency of a light-deflector driving signal and the light-deflector resonance frequency and a non-drawing time during which an image is not formed by the light deflector. When the difference between the frequency of the driving signal and the light-deflector resonance frequency is equal to or larger than a predetermined value and the non-drawing time is equal to or longer than a predetermined time, the driving control unit produces the driving signal having a frequency corresponding to the resonance frequency of the light deflector and supplies the produced driving signal to the light deflector.Type: GrantFiled: March 6, 2008Date of Patent: April 17, 2012Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Patent number: 8139279Abstract: A movable body apparatus includes a vibratory system, a driving portion for driving the vibratory system, a detecting portion for detecting a resonance frequency of the vibratory system, a drive controlling portion, and a storing portion. The vibratory system has a resonance frequency, and includes at least a movable body capable of being reciprocally, rotatably oscillated. The drive controlling portion regulates a driving frequency of a drive signal applied to the driving portion, based on the resonance frequency of the vibratory system. The storing portion stores the frequency detected by the detecting portion at a first predetermined time. The drive controlling portion regulates the driving frequency with reference to the stored frequency, at a second predetermined time after the storing portion stores the frequency, and executes a drive control of the vibratory system.Type: GrantFiled: September 5, 2008Date of Patent: March 20, 2012Assignee: Canon Kabushiki KaishaInventor: Hideta Nishizawa
-
Publication number: 20110279726Abstract: An information processing apparatus which acquires, from another information processing apparatus, data stored in the other information processing apparatus, comprising, a storage unit storing data, a selection unit selecting data stored in the storage unit, a generation unit generating, based on the selected data, condition information that determines a condition for specifying data to be requested to the other information processing apparatus, and a communication unit transmitting the condition information to the other information processing apparatus and receiving, from the other information processing apparatus, data that satisfies the determined condition.Type: ApplicationFiled: April 29, 2011Publication date: November 17, 2011Applicant: CANON KABUSHIKI KAISHAInventor: Hideta Nishizawa
-
Patent number: 7924490Abstract: An oscillator device includes an oscillation system having a first oscillator, a second oscillator, a first resilient supporting member and a second resilient supporting member, wherein the oscillation system has at least two frequencies of natural oscillation mode around the torsion axis which include a first resonance frequency f1 and a second resonance frequency f2, wherein there is a relationship that f2 is approximately two-fold of f1, wherein ?f which is expressed as ?f=f2?f×f1 has a relationship of ?f<0, and wherein the drive control means supplies, to the driving means, a driving signal which is comprised of a driving signal based on synthesizing a first driving signal having a first driving frequency and a second driving signal having a second driving frequency, and which is such driving signal that, when a lower-frequency side driving frequency among the first and second driving frequencies is denoted by Df1 and a higher-frequency side driving frequency is denoted by Df2, it satisfies relationshiType: GrantFiled: March 12, 2009Date of Patent: April 12, 2011Assignee: Canon Kabushiki KaishaInventors: Kazunari Fujii, Hideta Nishizawa, Kazufumi Onuma
-
Patent number: 7920313Abstract: An oscillator device includes an oscillation system having first and second oscillators and first and second resilient supporting members, wherein the oscillation system has at least two frequencies of natural oscillation mode around a torsion axis which include a first resonance frequency f1 and a second resonance frequency f2, wherein there is a relationship that f2 is approximately two-fold of f1, and wherein a drive control member supplies, to a driving member, a driving signal which is comprised of a driving signal based on synthesizing a first driving signal having a first driving frequency and a second driving signal having a second driving frequency, and which is such driving signal that, among the first and second driving frequencies, a lower-frequency side driving frequency Df1 and a higher-frequency side driving frequency Df2 satisfy a relationship Df1×2=Df2 and that Df2 satisfies a relationship f2?|?f/2|<Df2<f2+|?f/2|.Type: GrantFiled: March 12, 2008Date of Patent: April 5, 2011Assignee: Canon Kabushiki KaishaInventors: Kazunari Fujii, Hideta Nishizawa, Kazufumi Onuma