Patents by Inventor Tetsuro Makise
Tetsuro Makise 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: 10804708Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: GrantFiled: September 27, 2017Date of Patent: October 13, 2020Assignee: Sony CorporationInventors: Hisato Hirasaka, Toshiyuki Hirose, Toshihiko Hirose, Tetsuro Makise, Akira Itou
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Publication number: 20180019617Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Inventors: Hisato Hirasaka, Toshiyuki Hirose, Toshihiko Hirose, Tetsuro Makise, Akira Itou
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Patent number: 9793762Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: GrantFiled: February 25, 2016Date of Patent: October 17, 2017Assignee: Sony CorporationInventors: Hisato Hirasaka, Toshiyuki Hirose, Toshihiko Hirose, Tetsuro Makise, Akira Itou
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Publication number: 20160181872Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: ApplicationFiled: February 25, 2016Publication date: June 23, 2016Inventors: Hisato HIRASAKA, Toshiyuki HIROSE, Toshihiko HIROSE, Tetsuro MAKISE, Akira ITOU
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Patent number: 9300145Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: GrantFiled: January 28, 2011Date of Patent: March 29, 2016Assignee: SONY CORPORATIONInventors: Hisato Hirasaka, Toshiyuki Hirose, Toshihiko Hirose, Tetsuro Makise, Akira Itou
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Publication number: 20110193417Abstract: A wireless power transmission apparatus includes: a transmitter that wirelessly transmits electric power; and a receiver that can receive, in a resonant relation with the transmitter, a transmission signal including the electric power transmitted from the transmitter, wherein the receiver includes a frequency variable unit that can change a reception resonant frequency; a detecting unit that detects reception power; and a control unit that controls the frequency variable unit to perform frequency adjustment such that the reception power detected by the detecting unit is maximized.Type: ApplicationFiled: January 28, 2011Publication date: August 11, 2011Applicant: SONY CORPORATIONInventors: Hisato Hirasaka, Toshiyuki Hirose, Toshihiko Hirose, Tetsuro Makise, Akira Itou
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Patent number: 7420758Abstract: Disclosed is a head system including a plurality of recording heads for azimuth recording. The system includes a first recording head having a plurality of magnetic gaps having a first azimuth angle, and a second recording head having a plurality of magnetic gaps having a second azimuth angle different from the first azimuth angle. After first magnetization patterns are formed on a recording medium by the first recording head, second magnetization patterns are formed by overwriting side edge portions in the formation direction of the first magnetization patterns by the second recording head. This makes it possible to prevent the worsening of the accuracy of the magnetization pattern width due to a relative height stagger (offset) between the heads, to thereby enhance the accuracy of the magnetization pattern width, and to achieve high-density recording.Type: GrantFiled: January 5, 2004Date of Patent: September 2, 2008Assignee: Sony CorporationInventors: Yasutoshi Inoue, Hiroaki Hida, Toshiaki Wakita, Tetsuro Makise, Ichiro Hashimoto
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Publication number: 20040207941Abstract: Disclosed is a head system including a plurality of recording heads for azimuth recording. The system includes a first recording head having a plurality of magnetic gaps having a first azimuth angle, and a second recording head having a plurality of magnetic gaps having a second azimuth angle different from the first azimuth angle. After first magnetization patterns are formed on a recording medium by the first recording head, second magnetization patterns are formed by overwriting side edge portions in the formation direction of the first magnetization patterns by the second recording head. This makes it possible to prevent worsening of the accuracy of magnetization pattern width due to a relative height stagger (offset) between the heads, to thereby enhance the accuracy of the magnetization pattern width, and to achieve high-density recording.Type: ApplicationFiled: January 5, 2004Publication date: October 21, 2004Inventors: Yasutoshi Inoue, Hiroaki Hida, Toshiaki Wakita, Tetsuro Makise, Ichiro Hashimoto
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Patent number: 6181495Abstract: In a data recording apparatus, the period of the first clock signal corresponding to the record data is multiplied by the stated numeric corresponding to the transfer rate with the clock signal forming structure, so that the second clock signal is formed. And, on the basis of the record data and the second clock signal, the recording current corresponding to the transfer rate that is formed by highlighting the high-frequency component in accordance with the transfer rate and by limiting the band in accordance with the transfer rate is generated with the recording current generating structure. Then, the recording data is recorded on the recording medium with the recording structure on the basis of the recording current, therefore, even if the transfer rate varies, it is able to equalize highlighting operation of high-frequency component of the recording current and to equalize band limitation so as to keep the frequency characteristics approximately constant.Type: GrantFiled: March 17, 1999Date of Patent: January 30, 2001Assignee: Sony CorporationInventors: Tetsuro Makise, Teruyuki Yoshida
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Patent number: 5559643Abstract: A data recording apparatus for recording a digital signal onto a magnetic recording medium at one of a plurality of data recording rates. The apparatus comprises a detection device for detecting a change in value of the digital signal, a first variable current source for generating a first current having a value which is varied in response to a data rate of the digital signal, a second variable current source for generating a second current, a recording head for recording the signal into the magnetic recording medium, a current output device for outputting the second current or an added value of the first current and the second current in response to detection results of the detection device, and a recording head driving device for driving the recording head in response to an output of the current output device and the digital signal so as to enable recording at a desired data rate.Type: GrantFiled: February 24, 1995Date of Patent: September 24, 1996Assignee: Sony CorporationInventors: Tetsuro Makise, Teruyuki Yoshida
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Patent number: 5508761Abstract: A motion picture film is provided on which a digital sound track for audio data is formed along the film running direction. Data tracks are disposed in the digital sound track along a direction normal to the film running direction and extend in the film running direction. A data pattern having a block of audio data is recorded in the data tracks, along with tracking patterns representing each data track. Each of the tracking patterns is recorded at one side of the data track along the film running direction with an offset in the film running direction of one half the width of a data track from the center of that data track.Type: GrantFiled: December 6, 1994Date of Patent: April 16, 1996Assignees: Sony Corporation, Sony Cinema Products CorporationInventors: Etsuro Saito, Katsuichi Tachi, Kiyoshi Inatome, Hideki Ando, Tetsuro Makise, Yoshiyuki Suzuki
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Patent number: 5402271Abstract: A video tape recorder monitors the signal immediately after it has been recorded to determine whether errors have occurred in the recorded signal rerecords the video signal in the same location in the tracks where the error occurred. The location requiring rerecording can be located by recording a time code along with the video signal as it is recorded and rewinding the tape to the location where the error occurs and recording a stored video signal at that location or the video signal can be delayed and rerecorded downstream using another recording head once an error has been detected using an error detector.Type: GrantFiled: April 19, 1993Date of Patent: March 28, 1995Assignee: Sony CorporationInventors: Kozo Kaminaga, Kazuo Ike, Tetsuro Makise, Yoshio Fujiwara, Kiyoshi Yamakawa, Kiyoshi Sawakata
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Patent number: 5343334Abstract: In a video tape recorder, recording and reproducing heads record and reproduce a recording signal on recording tracks which are diagonally formed one after another on a tape-like recording medium. The recording heads are capable of recording again the same recording signal in the same recording region. If a recording error occurs during recording mode, information on where the recording error has occurred and a recording signal to be recorded are stored in a memory. During rerecording mode, the stored information is used to complement the recording error. If a recording error occurs, preliminary recording circuitry operates so as to complement this recording error. The above construction permits the recording signal to be recorded on the recording tracks with certainty.Type: GrantFiled: February 25, 1991Date of Patent: August 30, 1994Assignee: Sony CorporationInventors: Kozo Kaminaga, Kazuo Ike, Tetsuro Makise, Yoshio Fujiwara, Kiyoshi Yamakawa, Kiyoshi Sawakata
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Patent number: 5157561Abstract: In a digital signal reproducing apparatus having a head on a rotating drum for reproducing a digital signal which includes information data and which was recorded on a magnetic tape running at a speed different from the tape speed during reproducing of the digital signal therefrom; the tape speed and the drum rotation speed are detected during reproducing and corresponding tape speed and drum speed signals, resectively, are generated, a clock signal is formed from the digital signal reproduced by the head and is used in decoding the information data from the reproduced digital signal, and a control device receives the tape speed and drumspeed signals for controlling the drum speed in accordance with the tape speed when the tape speed is at least as large as a first value and for maintaning a fixed drum speed while changing the clock signal in accordance with the tape speed when the tape speed is at least as large as a second value greater than the first value.Type: GrantFiled: September 18, 1990Date of Patent: October 20, 1992Assignee: Sony CorporationInventors: Tetsuro Makise, Kazuhiro Takano, Masaaki Isozaki