Patents by Inventor Naoki Yoshimochi
Naoki Yoshimochi 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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Publication number: 20150116599Abstract: There is provided a reception device which receives signals compliant with a DVB-T2 standard which possibly includes a plurality of different profiles, and demodulates only a signal having a profile first received or only a signal having a predetermined profile, of the received signals.Type: ApplicationFiled: May 22, 2013Publication date: April 30, 2015Inventors: Naoki Yoshimochi, Takashi Yokokawa, Kenichi Kobayashi
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Patent number: 9020023Abstract: The present technique relates to a reception device and a reception method which can improve equalization performance. An equalization processing unit has a time domain equalization unit which equalizes a received signal in a time domain and a frequency domain equalization unit which is provided in parallel to the time domain equalization unit and which equalizes the received signal in a frequency domain, and performs control of switching between the time domain equalization unit and the frequency domain equalization unit. The present technique can be applied to, for example, equalize a signal of data transmitted by way of single carrier transmission or data transmitted by way of multicarrier transmission.Type: GrantFiled: May 15, 2012Date of Patent: April 28, 2015Assignee: Sony CorporationInventors: Katsumi Takaoka, Naoki Yoshimochi, Hidetoshi Kawauchi, Ryo Hasegawa, Hirofumi Maruyama
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Publication number: 20150092112Abstract: There is provided a reception device which receives signals compliant with a DVB-T2 standard which possibly includes a plurality of different profiles and demodulates a signal having a predetermined profile, of the received signals, and demodulates a signal having a different profile when it is clear that the signal having the different profile is included.Type: ApplicationFiled: May 23, 2013Publication date: April 2, 2015Inventors: Takashi Yokokawa, Naoki Yoshimochi, Kenichi Kobayashi
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Patent number: 8924451Abstract: Disclosed herein is a reception apparatus, including a first equalization section, a second equalization section, and an arithmetic operation section. The first equalization section is adapted to carry out equalization of a signal which represents data transmitted by a transmission method which uses a single carrier. The second equalization section is adapted to carry out equalization of a signal which represents data transmitted by a transmission method which uses multi carriers. The arithmetic operation section is adapted to carry out arithmetic operation for determining information to be used for the equalization by the first equalization section and arithmetic operation for determining information to be used for the equalization by the second equalization section.Type: GrantFiled: September 23, 2011Date of Patent: December 30, 2014Assignee: Sony CorporationInventors: Naoki Yoshimochi, Katsumi Takaoka, Hidetoshi Kawauchi
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Patent number: 8923420Abstract: A reception apparatus is disclosed which includes: a detection section configured to detect the presence or absence of spectrum inversion in data transmitted by a multi-carrier transmission system based on whether a known signal can be decoded using that part of the transmitted data which has been transmitted by carriers used for transmitting the known signal; and a correction section configured to correct the data transmitted by the multi-carrier transmission system if the presence of spectrum inversion is detected.Type: GrantFiled: September 19, 2011Date of Patent: December 30, 2014Assignee: Sony CorporationInventors: Naoki Yoshimochi, Hidetoshi Kawauchi, Kazukuni Takanohashi
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Patent number: 8856857Abstract: This technique relates to a receiving device, a receiving method, and a program that can demodulate transmitted signals with high accuracy. A receiving device of this disclosure includes: an amplifying unit that amplifies a received signal; an adjusting unit that adjusts gain of the amplifying unit in accordance with power of the signal; a demodulating unit that demodulates the amplified signal; and a detecting unit that detects an interval from the signal, information having the same content continuously appearing in the interval. The adjusting unit restricts the process of adjusting the gain of the amplifying unit in accordance with a result of the detection of the interval. This disclosure can be applied to receiving devices that receive broadcast signals compliant with DVB-C2 via a CATV network.Type: GrantFiled: March 23, 2012Date of Patent: October 7, 2014Assignee: Sony CorporationInventors: Kenichi Kobayashi, Naoki Yoshimochi
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Patent number: 8842223Abstract: The present technology relates to a transmitter apparatus, an information processing method, a program, and a transmitter system capable of easily transmitting a wideband signal. The transmitter apparatus includes: a first acquisition unit that obtains first transmission control information; a second acquisition unit that obtains second transmission control information similar to information input to another transmitter apparatus; and a generating unit that processes transmission target data based on a parameter contained in the first transmission control information and generates data including the processed transmission target data and the second transmission control information. The present technology can be applied to a transmitter apparatus that transmits a DVB-C2 signal.Type: GrantFiled: February 22, 2012Date of Patent: September 23, 2014Assignee: Sony CorporationInventors: Hiroo Takahashi, Lachlan Bruce Michael, Takashi Yokokawa, Naoki Yoshimochi, Takahiro Okada
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Patent number: 8681850Abstract: A signal processing apparatus includes a signal processing unit configured to carry out signal processing on a single-carrier signal and a multi-carrier signal by making use of a plurality of common filters shared by the single-carrier signal and the multi-carrier signal.Type: GrantFiled: September 19, 2011Date of Patent: March 25, 2014Assignee: Sony CorporationInventors: Hidetoshi Kawauchi, Naoki Yoshimochi, Kazukuni Takanohashi
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Publication number: 20140029661Abstract: The present technique relates to a reception device and a reception method which can improve equalization performance. An equalization processing unit has a time domain equalization unit which equalizes a received signal in a time domain and a frequency domain equalization unit which is provided in parallel to the time domain equalization unit and which equalizes the received signal in a frequency domain, and performs control of switching between the time domain equalization unit and the frequency domain equalization unit. The present technique can be applied to, for example, equalize a signal of data transmitted by way of single carrier transmission or data transmitted by way of multicarrier transmission.Type: ApplicationFiled: May 15, 2012Publication date: January 30, 2014Applicant: SONY CORPORATIONInventors: Katsumi Takaoka, Naoki Yoshimochi, Hidetoshi Kawauchi, Ryo Hasegawa, Hirofumi Maruyama
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Patent number: 8634486Abstract: A signal receiving apparatus includes: a processing unit configured to carry out Fourier transform on Fourier-transform data serving as a Fourier-transform object and carry out Fourier transform on inverse-Fourier-transform data serving as an inverse-Fourier-transform object; and a control unit configured to output pieces of data obtained as a result of the Fourier transform carried out on the Fourier-transform data in an order, in which the pieces of data have been obtained, in a process of outputting the pieces of data and output other pieces of data obtained as a result of the Fourier transform carried out on the inverse-Fourier transform data by rearranging the other pieces of data in a process of outputting the other pieces of data.Type: GrantFiled: September 19, 2011Date of Patent: January 21, 2014Assignee: Sony CorporationInventors: Ryoji Ikegaya, Hidetoshi Kawauchi, Suguru Houchi, Naoki Yoshimochi
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Publication number: 20140016728Abstract: The present technique relates to a reception apparatus, a reception method, a program, and a reception system capable of starting decoding of data in a short time. A reception apparatus according to an aspect of the present technique includes a demodulation unit configured to demodulate a modulated signal used to transmit transmission control information about data and the data to be transmitted, a first decoding unit configured to decode the transmission control information obtained by demodulation performed with the demodulation unit, a storage unit configured to store the data obtained by demodulation performed with the demodulation unit, and a second decoding unit configured to decode the data stored in the storage unit on the basis of the transmission control information decoded by the first decoding unit. The present technique can be applied to a receiver receiving an OFDM signal of DVB-C2.Type: ApplicationFiled: March 23, 2012Publication date: January 16, 2014Applicant: Sony CorporationInventors: Takashi Yokokawa, Naoki Yoshimochi, Hitoshi Sakai
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Publication number: 20140009684Abstract: This technique relates to a receiving device, a receiving method, a program, and a receiving system that are designed to reduce circuit size. A receiving device of one aspect of this technique includes: a de-mapping unit that receives a symbol signal generated by performing mapping on a first branch signal and a second branch signal indicating information about the same transmission target, and performs de-mapping on the symbol signal by a hard decision; a selecting unit that selects, in accordance with a reception state, one signal from the first branch signal and the second branch signal obtained through the de-mapping; and a decoding unit that decodes the information about the transmission target based on the one signal. This technique can be applied to receivers that receive OFDM signals compliant with DVB-C2.Type: ApplicationFiled: April 11, 2012Publication date: January 9, 2014Applicant: SONY CORPORATIONInventors: Takashi Yokokawa, Naoki Yoshimochi
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Patent number: 8615060Abstract: Disclosed herein is a reception apparatus including a calculation section and a storage section. The calculation section calculates correlation values between a data sequence included in a known signal and a received signal at a given point in time. The storage section has at least an area sufficient for storing the correlation values calculated for one frame using the received signal which is one frame long and to which the known signal is added.Type: GrantFiled: September 19, 2011Date of Patent: December 24, 2013Assignee: Sony CorporationInventors: Naoki Yoshimochi, Katsumi Takaoka, Tetsuhiro Futami
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Publication number: 20130332980Abstract: This technique relates to a receiving device, a receiving method, and a program that can demodulate transmitted signals with high accuracy. A receiving device of this disclosure includes: an amplifying unit that amplifies a received signal; an adjusting unit that adjusts gain of the amplifying unit in accordance with power of the signal; a demodulating unit that demodulates the amplified signal; and a detecting unit that detects an interval from the signal, information having the same content continuously appearing in the interval. The adjusting unit restricts the process of adjusting the gain of the amplifying unit in accordance with a result of the detection of the interval. This disclosure can be applied to receiving devices that receive broadcast signals compliant with DVB-C2 via a CATV network.Type: ApplicationFiled: March 23, 2012Publication date: December 12, 2013Applicant: SONY CORPORATIONInventors: Kenichi Kobayashi, Naoki Yoshimochi
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Publication number: 20130321707Abstract: The present technology relates to a transmitter apparatus, an information processing method, a program, and a transmitter system capable of easily transmitting a wideband signal. The transmitter apparatus includes: a first acquisition unit that obtains first transmission control information; a second acquisition unit that obtains second transmission control information similar to information input to another transmitter apparatus; and a generating unit that processes transmission target data based on a parameter contained in the first transmission control information and generates data including the processed transmission target data and the second transmission control information. The present technology can be applied to a transmitter apparatus that transmits a DVB-C2 signal.Type: ApplicationFiled: February 22, 2012Publication date: December 5, 2013Inventors: Hiroo Takahashi, Lachlan Bruce Michael, Takashi Yokokawa, Naoki Yoshimochi, Takahiro Okada
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Patent number: 8539322Abstract: The present invention relates to data processing apparatus and method, and a program which make it possible to scatter burst errors with respect to both codes of a product code. A block-wise interleaver performs interleaving A, which is a process of inputting data in the order of the column direction as one direction, and reading the data in the order of the direction diagonally downward to the right, NB bits by NB bits (=block by block) with respect to ND×NB×NA bits of a product code. Next, the block-wise interleaver performs interleaving B, which is a process of inputting data in the order of the column direction as one direction, and reading the data in the order of the row direction as the other direction, NB bits by NB bits with respect to (NC?ND)×NB×NA bits representing the parity portion of an inner code indicated by P, of the product code. The present invention can be applied to, for example, a recording/reproducing apparatus.Type: GrantFiled: October 27, 2009Date of Patent: September 17, 2013Assignee: Sony CorporationInventors: Toshiyuki Miyauchi, Naoki Yoshimochi
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Patent number: 8375268Abstract: A receiving apparatus includes: a first decoding means for performing, every time frame data in which an inner code and an outer code are used as error correction codes is transmitted thereto, decoding processing employing the inner code and outputting decoded data; a storing means for storing the decoded data; a second decoding means for applying decoding processing employing the outer code to the decoded data; and a control means for controlling storage and output of the decoded data in and from the storing means to suspend, while the control means causes the storing means to output first decoded data as the decoded data of a decoding result of first frame data to the second decoding means, when the first decoding means starts output of second decoded data as the decoded data of a decoding result of second frame data following the first frame data, the output of the first decoded data to the second decoding means and cause the storing means to store the second decoded data and, when the storage of the seconType: GrantFiled: September 22, 2010Date of Patent: February 12, 2013Assignee: Sony CorporationInventors: Osamu Shinya, Takashi Yokokawa, Naoki Yoshimochi
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Patent number: 8363755Abstract: A signal receiving apparatus includes: an acquisition section configured to acquire an Orthogonal Frequency Division Multiplexing signal resulting from combination of a plurality of signals transmitted by a plurality of signal transmitting apparatus by adoption of an Orthogonal Frequency Division Multiplexing method; and a demodulation section configured to carry out partial processing of processing to demodulate the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section by making use of either first pilot signals or second pilot signals where the first pilot signals are pilot signals extracted from the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section as signals having the same phase for all the signal transmitting apparatus, and the second pilot signals are pilot signals extracted from the Orthogonal Frequency Division Multiplexing signal acquired by the acquisition section as signals having different phases depending on the signal transmittType: GrantFiled: May 27, 2010Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Suguru Houchi, Naoki Yoshimochi, Takuya Okamoto, Yuken Goto, Takashi Yokokawa
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Publication number: 20120106619Abstract: A signal processing apparatus includes a signal processing unit configured to carry out signal processing on a single-carrier signal and a multi-carrier signal by making use of a plurality of common filters shared by the single-carrier signal and the multi-carrier signal.Type: ApplicationFiled: September 19, 2011Publication date: May 3, 2012Applicant: Sony CorporationInventors: Hidetoshi KAWAUCHI, Naoki Yoshimochi, Kazukuni Takanohashi
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Publication number: 20120099635Abstract: Disclosed herein is a reception apparatus including a calculation section and a storage section. The calculation section calculates correlation values between a data sequence included in a known signal and a received signal at a given point in time. The storage section has at least an area sufficient for storing the correlation values calculated for one frame using the received signal which is one frame long and to which the known signal is added.Type: ApplicationFiled: September 19, 2011Publication date: April 26, 2012Applicant: Sony CorporationInventors: Naoki YOSHIMOCHI, Katsumi Takaoka, Tetsuhiro Futami