Patents by Inventor Kazuo Nishizawa
Kazuo 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).
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Patent number: 11862103Abstract: In an electro-optical device, pixel circuits are provided corresponding to an intersection between a scanning line in an i-th row and a data line in a k-th column in a display region, and an intersection between a scanning line and data line. The pixel circuit is brought into an optical state in accordance with a voltage of a data line when a scanning line is selected. In an odd frame period, in the i-th row selection period and the (i+1)-th row, a data signal of a voltage corresponding to the i-th row and k-th column of data of the top image is output, and in an even frame period, in the i-th row selection period and the (i+1)-th row, a data signal of a voltage corresponding to the (i+1)-th row and the k-th column of data of the bottom image is output.Type: GrantFiled: September 16, 2022Date of Patent: January 2, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Tsuyoshi Tamura, Kazuo Nishizawa, Robina Atsuchi
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Publication number: 20230098172Abstract: In an electro-optical device, pixel circuits are provided corresponding to an intersection between a scanning line in an i-th row and a data line in a k-th column in a display region, and an intersection between a scanning line and data line. The pixel circuit is brought into an optical state in accordance with a voltage of a data line when a scanning line is selected. In an odd frame period, in the i-th row selection period and the (i + 1)-th row, a data signal of a voltage corresponding to the i-th row and k-th column of data of the top image is output, and in an even frame period, in the i-th row selection period and the (i + 1)-th row, a data signal of a voltage corresponding to the (i + 1)-th row and the k-th column of data of the bottom image is output.Type: ApplicationFiled: September 16, 2022Publication date: March 30, 2023Applicant: SEIKO EPSON CORPORATIONInventors: Tsuyoshi TAMURA, Kazuo NISHIZAWA, Robina ATSUCHI
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Patent number: 11301034Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: GrantFiled: June 24, 2021Date of Patent: April 12, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
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Patent number: 11215831Abstract: A transmissive head mounted display apparatus includes an image display unit configured to transmit an external scene and display an image of a display target viewable with the external scene, an imaging unit, a target identifying unit configured to identify, from a captured image captured by the imaging unit, a target of a task predetermined as a task that a user of the transmissive head mounted display apparatus needs to perform, a task occurrence determination unit configured to determine, based on a state of the target in the captured image, whether the task has occurred or not, and a display controller configured to cause the image display unit to display related information relating to the task when the task is determined to have occurred.Type: GrantFiled: April 18, 2019Date of Patent: January 4, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Kazuo Nishizawa
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Publication number: 20210318750Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Applicant: SEIKO EPSON CORPORATIONInventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
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Patent number: 11073901Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: GrantFiled: April 14, 2020Date of Patent: July 27, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
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Patent number: 11037519Abstract: A display system includes an HMD including an image display unit worn by a user on a head and transmitting external light, a six-axis sensor and a proximity sensor provided in the image display unit, and a detected value output unit configured to output, to a personal digital assistant, detected values from the sensors, an image output unit configured to output an image, a display unit configured to display the image, an acquisition unit configured to acquire the detected values from the sensors output by the HMD, and a device control unit configured to control display of the display unit, based on the detected values acquired by the acquisition unit.Type: GrantFiled: October 25, 2019Date of Patent: June 15, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Kazuo Nishizawa
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Patent number: 10976836Abstract: Provided is an HMD including an image display unit to be worn by a user on a head and configured to display an image; a six-axis sensor and a magnetic sensor configured to detect an operation performed by using a control device as a first operation; a touch sensor configured to detect a contact of a finger of the user as a second operation; and a display controller configured to display, on the image display unit, a pointer to be operated by the control device, and to move the pointer based on the motion or attitude of the control device detected by the six-axis sensor and the magnetic sensor. The display controller, upon detecting a contact of a finger of the user by the touch sensor, shifts to an operation state where the display position of the pointer cannot be moved through the operation performed by using the control device.Type: GrantFiled: January 22, 2019Date of Patent: April 13, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Kazuo Nishizawa
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Patent number: 10908425Abstract: A transmission-type head mounted display apparatus including an image display unit configured to transmit an external scene and display an image of a display object to be viewed along with the external scene, a gesture detection unit configured to detect a predefined gesture for the displayed image of the display object, and a display controller configured to perform at least one of display of the image of the display object in a display mode corresponding to the gesture having been detected and display of related information that corresponds to the gesture having been detected and that is associated with the display object.Type: GrantFiled: December 19, 2018Date of Patent: February 2, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano
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Publication number: 20200257355Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: ApplicationFiled: April 14, 2020Publication date: August 13, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
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Patent number: 10664044Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: GrantFiled: January 24, 2019Date of Patent: May 26, 2020Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima
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Patent number: 10657722Abstract: A transmissive display device includes a display section having a light transmissive property, and adapted to display a target image as a display target and a pointer image so as to be superimposed on an external world visually recognized through the display section, a display control section adapted to control a display configuration of the pointer image, and an imaging section adapted to take an image of the external world, and the display control section sets either one of an external world image obtained by the imaging, the target image, and a composite image of the external world image and the target image as a reference image, and displays the pointer image with the display configuration changed in accordance with a feature quantity of an area including a display position of the pointer image in the reference image.Type: GrantFiled: March 12, 2018Date of Patent: May 19, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Kazuo Nishizawa
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Publication number: 20200135139Abstract: A display system includes an HMD including an image display unit worn by a user on a head and transmitting external light, a six-axis sensor and a proximity sensor provided in the image display unit, and a detected value output unit configured to output, to a personal digital assistant, detected values from the sensors, an image output unit configured to output an image, a display unit configured to display the image, an acquisition unit configured to acquire the detected values from the sensors output by the HMD, and a device control unit configured to control display of the display unit, based on the detected values acquired by the acquisition unit.Type: ApplicationFiled: October 25, 2019Publication date: April 30, 2020Applicant: SEIKO EPSON CORPORATIONInventor: Kazuo NISHIZAWA
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Patent number: 10474226Abstract: An HMD includes an image display section configured to display a display image in a display region to be recognizable together with an outside scene, a display control section configured to cause the display section to display, in the display region, a pointer indicating a pointed position, and a six-axis sensor and a detection control section configured to detect operation. The display control section switches a first operation mode for moving, according to the operation detected by the six-axis sensor and the detection control section, a position of the pointer to correspond to the outside scene and a second operation mode for moving, according to the operation detected by the six-axis sensor and the detection control section, the position of the pointer in a form different from the movement corresponding to the outside scene.Type: GrantFiled: November 2, 2017Date of Patent: November 12, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano
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Publication number: 20190324275Abstract: A transmissive head mounted display apparatus includes an image display unit configured to transmit an external scene and display an image of a display target viewable with the external scene, an imaging unit, a target identifying unit configured to identify, from a captured image captured by the imaging unit, a target of a task predetermined as a task that a user of the transmissive head mounted display apparatus needs to perform, a task occurrence determination unit configured to determine, based on a state of the target in the captured image, whether the task has occurred or not, and a display controller configured to cause the image display unit to display related information relating to the task when the task is determined to have occurred.Type: ApplicationFiled: April 18, 2019Publication date: October 24, 2019Applicant: SEIKO EPSON CORPORATIONInventor: Kazuo NISHIZAWA
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Publication number: 20190227642Abstract: Provided is an HMD including an image display unit to be worn by a user on a head and configured to display an image; a six-axis sensor and a magnetic sensor configured to detect an operation performed by using a control device as a first operation; a touch sensor configured to detect a contact of a finger of the user as a second operation; and a display controller configured to display, on the image display unit, a pointer to be operated by the control device, and to move the pointer based on the motion or attitude of the control device detected by the six-axis sensor and the magnetic sensor. The display controller, upon detecting a contact of a finger of the user by the touch sensor, shifts to an operation state where the display position of the pointer cannot be moved through the operation performed by using the control device.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Applicant: SEIKO EPSON CORPORATIONInventor: Kazuo NISHIZAWA
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Publication number: 20190187479Abstract: A transmission-type head mounted display apparatus including an image display unit configured to transmit an external scene and display an image of a display object to be viewed along with the external scene, a gesture detection unit configured to detect a predefined gesture for the displayed image of the display object, and a display controller configured to perform at least one of display of the image of the display object in a display mode corresponding to the gesture having been detected and display of related information that corresponds to the gesture having been detected and that is associated with the display object.Type: ApplicationFiled: December 19, 2018Publication date: June 20, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Kazuo NISHIZAWA, Masahide TAKANO
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Publication number: 20190155376Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: ApplicationFiled: January 24, 2019Publication date: May 23, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Kazuo NISHIZAWA, Masahide TAKANO, Teruhito KOJIMA
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Patent number: 10296104Abstract: An HMD includes an image display unit that makes a user visually perceive an image, and an control device, capable of being moved independently of the image display unit, which includes a six-axis sensor detecting a movement and a track pad receiving an operation. The HMD controls the display of the image display unit in accordance with the movement detected by the six-axis sensor in a state where the track pad receives an operation.Type: GrantFiled: February 3, 2017Date of Patent: May 21, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Kaori Sendai, Kazuo Nishizawa, Fusashi Kimura, Masahide Takano
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Patent number: 10281976Abstract: An HMD includes an image display section configured to display an image to be visually recognizable through an outside scene. The HMD includes a position detecting section configured to recognize an input and a control section configured to cause the image display section to display information and change the display in the image display section according to the input recognized by the position detecting section.Type: GrantFiled: April 15, 2016Date of Patent: May 7, 2019Assignee: SEIKO EPSON CORPORATIONInventors: Kazuo Nishizawa, Masahide Takano, Teruhito Kojima