Patents by Inventor Tadayoshi Okuda
Tadayoshi Okuda 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).
-
Patent number: 11955935Abstract: The signal processing device includes: an offset adjuster; an amplitude adjuster; and a delay adjuster, wherein the offset adjuster adjusts the DC offset using a first parameter regarding the DC offset determined based on an output of the offset adjuster which is output when no signal is input to the signal processing circuit by the subtractor, the amplitude adjuster adjusts the amplitude using a second parameter regarding the amplitude determined based on (i) an output of the amplitude adjuster which is output when a first test signal is input to the signal processing circuit and (ii) the first test signal, and the delay adjuster adjusts the delay using a third parameter regarding the delay determined based on the difference signal that is an output of the subtractor when a second test signal is input to the signal processing circuit.Type: GrantFiled: June 16, 2020Date of Patent: April 9, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Tadayoshi Okuda
-
Publication number: 20230109304Abstract: A playback device (measurement device) in a record playback system including a record player and the playback device measures a frequency characteristic of each of a plurality of input signals which are input from the record player to the playback device when a plurality of test signals for measuring a characteristic of the record playback system are played back by the record player, the plurality of test signals being recorded on a phonograph record, the plurality of input signals corresponding to the plurality of test signals recorded; calculates a measurement error between the frequency characteristic of each of the plurality of input signals measured and a predetermined frequency characteristic; selects a frequency characteristic of which the measurement error is smallest from among the frequency characteristics of the plurality of input signals, as a measurement result of the record playback system; and outputs the measurement result selected.Type: ApplicationFiled: November 6, 2020Publication date: April 6, 2023Inventor: Tadayoshi OKUDA
-
Publication number: 20220103138Abstract: The signal processing device includes: an offset adjuster; an amplitude adjuster; and a delay adjuster, wherein the offset adjuster adjusts the DC offset using a first parameter regarding the DC offset determined based on an output of the offset adjuster which is output when no signal is input to the signal processing circuit by the subtractor, the amplitude adjuster adjusts the amplitude using a second parameter regarding the amplitude determined based on (i) an output of the amplitude adjuster which is output when a first test signal is input to the signal processing circuit and (ii) the first test signal, and the delay adjuster adjusts the delay using a third parameter regarding the delay determined based on the difference signal that is an output of the subtractor when a second test signal is input to the signal processing circuit.Type: ApplicationFiled: June 16, 2020Publication date: March 31, 2022Inventor: Tadayoshi OKUDA
-
Patent number: 10868533Abstract: Electrodes and regions of top plate opposed to electrodes constitute switches that have capacitances varying when the regions of top plate are depressed from top plate toward electrodes. Depression detection circuit calculates the capacitance change amounts of switches indicating changes of the capacitances from a reference value. Depression detection circuit calculates the maximum value and sum of the capacitance change amounts of switches. When the capacitance change amount of at least one switch exceeds threshold and a situation in which the ratio of the maximum value to the sum is equal to or greater than threshold has lasted for the number of repetitions in, depression detection circuit determines that the switch having the maximum value of the capacitance change amount is in a depressed state.Type: GrantFiled: July 26, 2019Date of Patent: December 15, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masami Yamamoto, Yukinobu Tokoro, Shohei Kawagoe, Kojiro Kawasaki, Tadayoshi Okuda, Yosuke Shiota
-
Patent number: 10764682Abstract: A control device includes a first communication circuit, a microphone, and a first control circuit.Type: GrantFiled: April 20, 2018Date of Patent: September 1, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masami Yamamoto, Tadayoshi Okuda, Yosuke Shiota
-
Publication number: 20200092646Abstract: A control device includes a first communication circuit, a microphone, and a first control circuit.Type: ApplicationFiled: April 20, 2018Publication date: March 19, 2020Inventors: MASAMI YAMAMOTO, TADAYOSHI OKUDA, YOSUKE SHIOTA
-
Publication number: 20190346959Abstract: Electrodes Ex and regions of top plate opposed to electrodes Ex constitute switches SWx that have capacitances varying when the regions of top plate are depressed from top plate toward electrodes Ex. Depression detection circuit calculates the capacitance change amounts of switches SWx indicating changes of the capacitances from a reference value. Depression detection circuit calculates the maximum value and sum of the capacitance change amounts of switches SWx. When the capacitance change amount of at least one switch SWx exceeds threshold TH_EDGE and a situation in which the ratio of the maximum value to the sum is equal to or greater than threshold COMP_LEVELx has lasted for the number of repetitions in SW_DET_COUNT, depression detection circuit determines that the switch having the maximum value of the capacitance change amount is in a depressed state.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Inventors: MASAMI YAMAMOTO, YUKINOBU TOKORO, SHOHEI KAWAGOE, KOJIRO KAWASAKI, TADAYOSHI OKUDA, YOSUKE SHIOTA
-
Patent number: 10069468Abstract: An audio signal amplification device includes: a clock generation circuit that generates a clock for use in amplifying an audio signal; and a power supply circuit that generates direct current power, which is supplied to the clock generation circuit, from input power. The power supply circuit includes: a constant voltage generation circuit that generates direct current power of a constant voltage from the input power; a first capacitor; a first charging circuit that charges the first capacitor by using the input power; and a selection circuit. The selection circuit selects one direct current power of the direct current power generated in the constant voltage generation circuit and of direct current power charged to the first capacitor, and supplies the selected direct current power to the clock generation circuit.Type: GrantFiled: December 24, 2015Date of Patent: September 4, 2018Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventor: Tadayoshi Okuda
-
Publication number: 20170279420Abstract: An audio signal amplification device includes: a clock generation circuit that generates a clock for use in amplifying an audio signal; and a power supply circuit that generates direct current power, which is supplied to the clock generation circuit, from input power. The power supply circuit includes: a constant voltage generation circuit that generates direct current power of a constant voltage from the input power; a first capacitor; a first charging circuit that charges the first capacitor by using the input power; and a selection circuit. The selection circuit selects one direct current power of the direct current power generated in the constant voltage generation circuit and of direct current power charged to the first capacitor, and supplies the selected direct current power to the clock generation circuit.Type: ApplicationFiled: December 24, 2015Publication date: September 28, 2017Inventor: TADAYOSHI OKUDA
-
Publication number: 20130208086Abstract: A 3D video reproduction device configured to reproduce 3D streaming data that includes 3D video data and audio data. The 3D video reproduction device comprises an audio analyzing unit, a parallax setting unit, a video correction unit, and an output unit. The audio analyzing unit is configured to analyze the audio data to determine the scene indicated by the 3D video data. The parallax setting unit is configured to set the amount of parallax that corresponds to the scene based on the audio data analyzed by the audio analyzing unit. The video correction unit is configured to correct the 3D video data based on the amount of parallax set by the parallax setting unit. The output unit is configured to reproduce the corrected 3D video data and output the audio data.Type: ApplicationFiled: June 1, 2012Publication date: August 15, 2013Applicant: Panasonic CorporationInventors: Tadayoshi OKUDA, Takuya Sugita
-
Patent number: 8462264Abstract: A video scan converter processes a video stream including a first coding unit, which has been obtained by encoding a pair of fields N1 and N2 that has come from a first frame of film video, and a second coding unit, which has been obtained by encoding a pair of a field N3 that has also come from the first frame and a field M1 that has come from a second frame, not the first frame. The video scan converter includes: a decoder, which receives the video stream, decodes the first and second coding units, and sequentially outputs the data of the respective fields N1, N2, N3 and M1; and a scan converter, which generates a frame based on associated two of those fields that have been supplied from the decoder. In outputting a frame associated with the field N3, the scan converter generates the frame based on the fields N1 and N2 without using the data of the field N3.Type: GrantFiled: April 22, 2009Date of Patent: June 11, 2013Assignee: Panasonic CorporationInventors: Tadayoshi Okuda, Toshiya Noritake
-
Patent number: 8400565Abstract: A video scan converter processes a video stream including a first coding unit, which has been obtained by encoding a pair of fields N1 and N2 that has come from a first frame of film video, and a second coding unit, which has been obtained by encoding a pair of a field N3 that has also come from the first frame and a field M1 that has come from a second frame, not the first frame. The video scan converter includes: a decoder, which receives the video stream, decodes the first and second coding units, and sequentially outputs the data of the respective fields N1, N2, N3 and M1; and a scan converter, which generates a frame based on associated two of those fields that have been supplied from the decoder. In outputting a frame associated with the field N3, the scan converter generates the frame based on the fields N1 and N2 without using the data of the field N3.Type: GrantFiled: April 22, 2009Date of Patent: March 19, 2013Assignee: Panasonic CorporationInventors: Tadayoshi Okuda, Toshiya Noritake
-
Publication number: 20130010064Abstract: A video processing device, which can output stereoscopic video information that enables stereoscopic viewing to a video display device, includes an obtaining unit that obtains the stereoscopic video information, a superimposing unit that superimposes additional video information on the stereoscopic video information, and a transmitting unit that transmits parallax information of the additional video information to the video display device, with the parallax information being associated with the stereoscopic video information on which the additional video information is superimposed.Type: ApplicationFiled: March 24, 2011Publication date: January 10, 2013Applicant: PANASONIC CORPORATIONInventor: Tadayoshi Okuda
-
Publication number: 20130002821Abstract: A video processing device is a device capable of outputting stereoscopic video information containing a first eye image and a second eye image and enabling stereoscopic viewing to a video display device. The video processing device includes an obtaining unit that obtains the stereoscopic video information which is obtained by coding the first and second eye images in a coding method using different bit rates to the first and second eye images respectively, and a transmitting unit that transmits identification information indicating one of the first and second eye images that is coded with higher bit rate, to the video display device, with the identification information being associated with the decoded stereoscopic video information.Type: ApplicationFiled: March 24, 2011Publication date: January 3, 2013Applicant: PANASONIC CORPORATIONInventor: Tadayoshi Okuda
-
Publication number: 20120162508Abstract: A video data conversion apparatus can convert inputted video data in a predetermined scanning format into video data in another scanning format. The inputted video data in the predetermined scanning format is video data at 60 fields per second in a 4:2:2:2 format. The video data in the 4:2:2:2 format is video data in a format where four fields generated from one original image, two fields generated from a next original image, two fields generated from a further next original image, and two fields generated from a further next original image appear periodically in this order. The video data conversion apparatus includes a conversion unit operable to convert the inputted video data into video data at 60 frames per second in a 3:2 pulldown format.Type: ApplicationFiled: December 28, 2011Publication date: June 28, 2012Inventor: Tadayoshi OKUDA
-
Publication number: 20110285827Abstract: An image display apparatus capable of connecting to an image reproducing apparatus, including: an authentication switchover unit operable to perform mutual authentication with the image reproducing apparatus to switch an own authentication state between a 2D-authenticated state and a 3D-authenticated state; a display switchover unit operable to switch an own display mode between a 3D display mode and a 2D display mode; and an output unit operable to output image display mode information in accordance with the display mode set in the own apparatus in case where the authentication switchover unit sets the own authentication state to the 3D-authenticated state.Type: ApplicationFiled: May 12, 2011Publication date: November 24, 2011Applicant: PANASONIC CORPORATIONInventors: SHINICHIROU TAKIGAWA, TADAYOSHI OKUDA, YOSHIKI KUNO, TETSUYA ITANI
-
Publication number: 20110242284Abstract: An image reproducing apparatus capable of outputting a 3D image signal or a non-3D image signal which can display a stereoscopic or a non-stereoscopic image to an image display apparatus, including: an AV processing unit operable to input data of contents and generate the 3D or non-3D image signal from the contents data; an output unit operable to output the 3D or non-3D image signal generated by the AV processing unit to the display apparatus in accordance with a 3D image output format being a format for outputting an image signal for stereoscopic display; and a receiving unit operable to receive an instruction inputted by a user.Type: ApplicationFiled: July 14, 2010Publication date: October 6, 2011Applicant: PANASONIC CORPORATIONInventors: Shinichirou Takigawa, Tadayoshi Okuda, Yoshiki Kuno
-
Publication number: 20100265315Abstract: A three-dimensional image combining apparatus includes an obtaining unit configured to obtain data of a main image as an image enabling stereoscopic view, data of an additional image to be combined with the main image and be displayed, and position information for defining a display position in a depth direction of the additional image in stereoscopic view of the additional image, a scaling unit configured to upscale or downscale the main image, an adjusting unit configured to adjust the position information based on a magnification of upscaling or downscaling the main image, and a combining unit configured to combine the additional image with the upscaled or downscaled main image based on the adjusted position information so that the additional image can be viewed stereoscopically.Type: ApplicationFiled: April 20, 2010Publication date: October 21, 2010Applicant: PANASONIC CORPORATIONInventors: TADAYOSHI OKUDA, SHINICHI KAWAKAMI
-
Publication number: 20090322939Abstract: A video scan converter processes a video stream including a first coding unit, which has been obtained by encoding a pair of fields N1 and N2 that has come from a first frame of film video, and a second coding unit, which has been obtained by encoding a pair of a field N3 that has also come from the first frame and a field M1 that has come from a second frame, not the first frame. The video scan converter includes: a decoder, which receives the video stream, decodes the first and second coding units, and sequentially outputs the data of the respective fields N1, N2, N3 and M1; and a scan converter, which generates a frame based on associated two of those fields that have been supplied from the decoder. In outputting a frame associated with the field N3, the scan converter generates the frame based on the fields N1 and N2 without using the data of the field N3.Type: ApplicationFiled: April 22, 2009Publication date: December 31, 2009Applicant: Panasonic CorporationInventors: Tadayoshi OKUDA, Toshiya NORITAKE