Patents by Inventor Shinichiro Iimura
Shinichiro Iimura 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: 8565055Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: GrantFiled: June 21, 2012Date of Patent: October 22, 2013Assignee: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 8412075Abstract: A light deflector device includes a light deflector having an oscillation system, a driving unit for driving the oscillation system and a drive controlling unit for supplying a drive signal. The oscillation system simultaneously generates a first oscillating motion of a first frequency and a second oscillating motion of a second frequency. The drive controlling unit supplies a drive signal formed by synthetically combining a first signal having the first frequency and a second signal having the second frequency to the driving unit and, at the same time, another drive signal for changing at least the amplitude of the first oscillating motion, the amplitude of second oscillating motion or the relative phase difference of the first oscillating motion and the second oscillating motion to the driving unit in order to correct an offset of scanning light deflected by the light deflector.Type: GrantFiled: May 11, 2009Date of Patent: April 2, 2013Assignee: Canon Kabushiki KaishaInventors: Takahiro Akiyama, Kazunari Fujii, Yukio Furukawa, Shinichiro Iimura
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Patent number: 8400698Abstract: Disclosed is an oscillator device that includes an oscillating system having a first oscillator, a second oscillator, a first torsion spring for connecting the first and second oscillators each other, and a second torsion spring being connected to the second oscillator and having a common torsional axis with the first torsion spring; a supporting system for supporting the oscillating system; a driving system for driving the oscillating system so that at least one of the first and second oscillators produces oscillation as can be expressed by an equation that contains a sum of a plurality of time functions; a signal producing system for producing an output signal corresponding to displacement of at least one of the first and second oscillators; and a drive control system for controlling the driving system on the basis of the output signal of the signal producing system so that at least one of amplitude and phase of the time function takes a predetermined value.Type: GrantFiled: February 13, 2007Date of Patent: March 19, 2013Assignee: Canon Kabushiki KaishaInventors: Kazunari Fujii, Yukio Furukawa, Takahiro Akiyama, Ryuhei Shoji, Soichiro Suzuki, Shimpei Matsuo, Tatsuya Hotogi, Shinichiro Iimura
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Publication number: 20120257485Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: ApplicationFiled: June 21, 2012Publication date: October 11, 2012Applicant: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 8270267Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: GrantFiled: May 17, 2011Date of Patent: September 18, 2012Assignee: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 8254226Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: GrantFiled: February 10, 2011Date of Patent: August 28, 2012Assignee: Sony CorporationInventors: Shinichiro Iimura, Shoei Kobayashi
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Publication number: 20110216637Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicant: Sony CorporationInventors: Shoei KOBAYASHI, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 8000192Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: GrantFiled: December 5, 2008Date of Patent: August 16, 2011Assignee: Sony CorporationInventors: Shinichiro Iimura, Shoei Kobayashi
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Patent number: 7965604Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: GrantFiled: July 31, 2008Date of Patent: June 21, 2011Assignee: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Publication number: 20110134728Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: ApplicationFiled: February 10, 2011Publication date: June 9, 2011Applicant: Sony CorporationInventors: Shinichiro IIMURA, Shoei KOBAYASHI
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Patent number: 7948379Abstract: Disclosed are an optical disk recording and reproducing apparatus, a remote controller, and a content management method capable of allowing a user to easily confirm contents recorded on an optical disk, wherein an optical disk is integrally provided with a read-only RFID tag that records only a disk ID to identify the optical disk as an individual. When a content is recorded on the optical disk, a video recorder records disk management information including the disk ID of the optical disk and index information about the content. After the content is recorded, a remote controller noncontactly reads the disk ID from the RFID tag of the optical disk and transmits the disk ID to the video recorder. The video recorder extracts index information corresponding to the received disk ID from the disk management information and displays the index information in a list.Type: GrantFiled: July 18, 2005Date of Patent: May 24, 2011Assignee: Sony CorporationInventors: Kunihiko Miyake, Shinichiro Iimura, Nobuhiko Tsukahara, Sunao Aoki
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Publication number: 20110064470Abstract: A light deflector device includes a light deflector having an oscillation system, a driving unit for driving the oscillation system and a drive controlling unit for supplying a drive signal. The oscillation system simultaneously generates a first oscillating motion of a first frequency and a second oscillating motion of a second frequency. The drive controlling unit supplies a drive signal formed by synthetically combining a first signal having the first frequency and a second signal having the second frequency to the driving unit and, at the same time, another drive signal for changing at least the amplitude of the first oscillating motion, the amplitude of second oscillating motion or the relative phase difference of the first oscillating motion and the second oscillating motion to the driving unit in order to correct an offset of scanning light deflected by the light deflector.Type: ApplicationFiled: May 11, 2009Publication date: March 17, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Takahiro Akiyama, Kazunari Fujii, Yukio Furukawa, Shinichiro Iimura
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Publication number: 20090161526Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: ApplicationFiled: December 5, 2008Publication date: June 25, 2009Applicant: Sony CorporationInventors: Shinichiro Iimura, Shoei Kobayashi
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Publication number: 20090051992Abstract: Disclosed is an oscillator device that includes an oscillating system having a first oscillator, a second oscillator, a first torsion spring for connecting the first and second oscillators each other, and a second torsion spring being connected to the second oscillator and having a common torsional axis with the first torsion spring; a supporting system for supporting the oscillating system; a driving system for driving the oscillating system so that at least one of the first and second oscillators produces oscillation as can be expressed by an equation that contains a sum of a plurality of time functions; a signal producing system for producing an output signal corresponding to displacement of at least one of the first and second oscillators; and a drive control system for controlling the driving system on the basis of the output signal of the signal producing system so that at least one of amplitude and phase of the time function takes a predetermined value.Type: ApplicationFiled: February 13, 2007Publication date: February 26, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Kazunari Fujii, Yukio Furukawa, Takahiro Akiyama, Ryuhei Shoji, Soichiro Suzuki, Shimpei Matsuo, Tatsuya Hotogi, Shinichiro Iimura
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Patent number: 7486607Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: GrantFiled: November 13, 2006Date of Patent: February 3, 2009Assignee: Sony CorporationInventors: Shinichiro Iimura, Shoei Kobayashi
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Patent number: 7483181Abstract: An optical reading unit which ensures that address information recorded as guide groove wobbles on an optical recording medium is easily played back. A light-receiving device (20) for detecting returning light from the optical recording medium has detection areas (21A to D) delimited by a plurality of split lines (22), (23), and (24). The position of one of the split lines functioning as a detection reference line is changed according to the position of a returning light spot S on a light-receiving surface (21) of the light-receiving device (20) and push-pull signals (PP1 to 3) are acquired by calculating the difference between signals received on two detection areas delimited by the split line to eliminate common-mode components.Type: GrantFiled: August 29, 2003Date of Patent: January 27, 2009Assignee: Sony CorporationInventor: Shinichiro Iimura
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Publication number: 20080291794Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: ApplicationFiled: July 31, 2008Publication date: November 27, 2008Applicant: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 7414932Abstract: In step S1, the address generator generates address information composed of a sync signal which is recorded on an optical disc, address data and an error correction code for the address data, pre-encodes and supplies it to a modulator. At the same time, a carrier signal generator generates a carrier signal which is to carry the address information, and supplies it to the modulator. In step S2, the modulator makes MSK modulation of the carrier signal supplied from the carrier signal generator on the basis of the pre-encoded address information supplied from the address generator, and supplies a resultant MSK modulation signal to a wobbling unit. In step S3, the wobbling unit forms, on the optical disc, a spiral groove wobbled adaptively to the MSK modulation signal supplied from the modulator. In this optical disc, a given address can be accessed quickly and accurately.Type: GrantFiled: July 19, 2006Date of Patent: August 19, 2008Assignee: Sony CorporationInventors: Shoei Kobayashi, Nobuyoshi Kobayashi, Tamotsu Yamagami, Shinichiro Iimura
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Patent number: 7391686Abstract: There is provided an optical disc having preformed thereon a spiral wobbled track as a grove and/or land along with data is to be recorded. The track is wobbled for a series of predetermined signal units each composed of an FSK information bit part based on a waveform resulted from FSK modulation of information bit and a singe-frequency part based on a waveform of a single frequency. The FSK modulation uses two different frequencies of which the one is the same as the single frequency and the other is different from the single frequency. These different frequencies are in such a relation that each of them has an even number of wobbles and an odd number of wobbles alternately in a predetermined cycle.Type: GrantFiled: November 13, 2006Date of Patent: June 24, 2008Assignee: Sony CorporationInventors: Shinichiro Iimura, Shoei Kobayashi
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Patent number: 7307936Abstract: A disk drive device capable of satisfactorily detecting address information recorded by land prepits even after data is recorded is provided. When address information recorded by land prepits is detected from a disk on which lands and grooves as recording tracks are formed and address information is recorded as land prepits on the lands, a window signal is generated by binarizing a push-pull signal (window generation circuit 31), the push-pull signal is integrated in a period based on the window signal (integration circuit 32), and the address information by the land prepits is extracted from the integrated signal (33, 34, 35, and 26).Type: GrantFiled: August 12, 2003Date of Patent: December 11, 2007Assignee: Sony CorporationInventor: Shinichiro Iimura