Patents by Inventor Kunihiko Sasaki
Kunihiko Sasaki 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: 20100026821Abstract: The optical apparatus includes an image pickup optical system including a focus lens, a controller controlling movement of the focus lens in an optical axis direction of the image pickup optical system, a shake detector detecting a shake amount of the optical apparatus in the optical axis direction, and a memory storing plural shake amounts sequentially detected by the shake detector. The controller calculates, in response to a start instruction of exposure for the image pickup and before start of the exposure, a predictive value of the shake amount for a time point of the exposure based on the plural shake amounts stored in the memory and including at least one shake amount detected after the start instruction of exposure. The controller moves the focus lens to a position corresponding to the predictive value before the start of the exposure.Type: ApplicationFiled: July 23, 2009Publication date: February 4, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Shigeki Sato, Masanori Ishikawa, Atsushi Koyama, Kunihiko Sasaki
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Publication number: 20090267614Abstract: There is provided a physical property measuring method for a TFT liquid crystal panel, includes an impedance setting step of setting the impedance between the source and drain of a TFT of the TFT liquid crystal panel to be less than or equal to a predetermined value, a voltage application step of applying a voltage that cyclically varies to a liquid crystal layer of the TFT liquid crystal panel. And the method further includes a physical property measuring step of measuring a transient current flowing through the liquid crystal layer to which the voltage that cyclically varies is applied in the voltage application step to measure physical properties of the liquid crystal layer.Type: ApplicationFiled: July 7, 2009Publication date: October 29, 2009Applicants: TOYO CORPORATION, SHARP KABUSHIKI KAISHAInventors: Masaru Inoue, Kunihiko Sasaki, Takashi Kurihara, Yasuhiro Kume
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Patent number: 7286504Abstract: A communication zone is defined by a plurality of cells, which are separated from one another and has respective fixed base stations. The base stations in the first cell and the last cell are capable of bidirectional communication with a mobile station, while other base stations are capable of unidirectional communication. The base stations are connected to a zone control station, which controls communications with the mobile station within the zone.Type: GrantFiled: July 3, 2002Date of Patent: October 23, 2007Assignees: DENSO Corporation, Communications Research Laboratory, Independent Administrative InstitutionInventors: Manabu Sawada, Kunihiko Sasaki, Hiroshi Harada, Masayuki Fujise
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Patent number: 7268344Abstract: A scanning laser microscope that can quantitatively display a laser irradiation power on a display unit and that can suppress fluctuations in the laser irradiation power is provided.Type: GrantFiled: June 6, 2006Date of Patent: September 11, 2007Assignee: Olympus CorporationInventors: Kunihiko Sasaki, Yasunari Matsukawa, Hiroshi Sasaki, Tatsuo Nakata
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Publication number: 20060278530Abstract: A scanning laser microscope that can quantitatively display a laser irradiation power on a display unit and that can suppress fluctuations in the laser irradiation power is provided.Type: ApplicationFiled: June 6, 2006Publication date: December 14, 2006Applicant: Olympus CorporationInventors: Kunihiko Sasaki, Yasunari Matsukawa, Hiroshi Sasaki, Tatsuo Nakata
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Patent number: 7099265Abstract: A diversity OFDM communication is performed between a base terminal and a mobile terminal, both having a horizontal polarization antenna and a vertical polarization antenna forming two transmission channels. In the base terminal, data signals to be transmitted are divided into two channels to transmit the data signals through either one of the channels having a higher transmission performance for each sub-carrier. Common pilot signals are transmitted through both channels. The data signals received by the mobile terminal are phase-adjusted using the common pilot signals. The phase-adjusted data signals in both channels are synthesized and then demodulated.Type: GrantFiled: June 1, 2001Date of Patent: August 29, 2006Assignee: DENSO CorporationInventors: Masahiro Kuwabara, Manabu Sawada, Kunihiko Sasaki
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Patent number: 7076223Abstract: In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied thereto, and a power detector detects output power of the variable gain amplifier. A packet detection circuit detects a packet signal based on the detected output power. A control circuit outputs the control voltage variable with the detected output power, and the control voltage is provided for the amplifier. Thus high-speed gain control is performed immediately after the start of detection of the packet signal. When the elapsed time after the start of detection of the packet signal exceeds a predetermined time, a sample-hold circuit sample-and-holds the control voltage. This control voltage is provided for the amplifier up to the end of reception of the packet signal thereafter. Thus low-speed gain control is performed to provide stable power without distorting the signal wave.Type: GrantFiled: July 14, 2003Date of Patent: July 11, 2006Assignee: DENSO CorporationInventors: Kazuoki Matsugatani, Kunihiko Sasaki
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Patent number: 6959052Abstract: A channel evaluator acquires a change predicted value from a known symbol, and a compensator compensates for a first symbol using the change predicted value. A demodulator restores a portion corresponding to this symbol with another subcarrier. A replica generator acquires a transmission replica of the restored symbol. The channel evaluator performs complex division on the replica with the symbol to acquire an amplitude phase ratio. A detector compares the amplitude phase ratio with an amplitude phase ratio acquired immediately previously. In case where an elimination condition is satisfied, the detector disregards the amplitude phase ratio acquired currently and uses an immediately previous value instead, an averaging unit averages amplitude phase ratios to acquire a next change predicted value, and the compensator compensates for a next symbol using the change predicted value. Hereinafter, the sequence of processes is repeated.Type: GrantFiled: March 6, 2002Date of Patent: October 25, 2005Assignees: National Institute of Information and Communications Technology Incorporated Administrative Agency, Denso CorporationInventors: Hiroshi Harada, Masayuki Fujise, Ryuuhei Funada, Manabu Sawada, Kunihiko Sasaki
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Patent number: 6947501Abstract: A packet signal, formed according to an orthogonal frequency division multiplexing (OFDM) format, received by a receiver is decoded in a decoder device of the receiver. The packet signal includes a data code and a control code having a formula for decoding the data code. The control code is first decoded and analyzed to obtain the decoding formula contained therein. The data code is decoded during a period in which the control code is being analyzed, based on plural decoding formulae one of which coincides with the decoding formula contained in the control code. Data signals decoded based on the respective decoding formulae are sent to an output selector together with the decoding formula obtained from the control code. The output selector selects a data signal which is decoded based on a decoding formula that coincides with the decoding formula obtained from the control code.Type: GrantFiled: May 29, 2001Date of Patent: September 20, 2005Assignee: Denso CorporationInventors: Shigeki Kawai, Manabu Sawada, Kunihiko Sasaki
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Publication number: 20040014439Abstract: In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied thereto, and a power detector detects output power of the variable gain amplifier. A packet detection circuit detects a packet signal based on the detected output power. A control circuit outputs the control voltage variable with the detected output power, and the control voltage is provided for the amplifier. Thus high-speed gain control is performed immediately after the start of detection of the packet signal. When the elapsed time after the start of detection of the packet signal exceeds a predetermined time, a sample-hold circuit sample-and-holds the control voltage. This control voltage is provided for the amplifier up to the end of reception of the packet signal thereafter. Thus low-speed gain control is performed to provide stable power without distorting the signal wave.Type: ApplicationFiled: July 14, 2003Publication date: January 22, 2004Inventors: Kazuoki Matsugatani, Kunihiko Sasaki
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Patent number: 6621345Abstract: In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied thereto, and a power detector detects output power of the variable gain amplifier. A packet detection circuit detects a packet signal based on the detected output power. A control circuit outputs the control voltage variable with the detected output power, and the control voltage is provided for the amplifier. Thus high-speed gain control is performed immediately after the start of detection of the packet signal. When the elapsed time after the start of detection of the packet signal exceeds a predetermined time, a sample-hold circuit sample-and-holds the control voltage. This control voltage is provided for the amplifier up to the end of reception of the packet signal thereafter. Thus low-speed gain control is performed to provide stable power without distorting the signal wave.Type: GrantFiled: April 4, 2001Date of Patent: September 16, 2003Assignee: Denso CorporationInventors: Kazuoki Matsugatani, Kunihiko Sasaki
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Publication number: 20030007467Abstract: A communication zone is defined by a plurality of cells, which are separated from one another and has respective fixed base stations. The base stations in the first cell and the last cell are capable of bidirectional communication with a mobile station, while other base stations are capable of unidirectional communication. The base stations are connected to a zone control station, which controls communications with the mobile station within the zone.Type: ApplicationFiled: July 3, 2002Publication date: January 9, 2003Inventors: Manabu Sawada, Kunihiko Sasaki, Hiroshi Harada, Masayuki Fujise
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Patent number: 6451716Abstract: Provided is a leatherlike sheet material which has a base material (I) comprising a nonwoven fabric (A) constituted with ultrafine-fiber bundles having single fineness of no greater than 0.2 de, a high molecular elastomer (B) and a high molecular elastomer (C), and in which a grained surface layer (II) comprising a high molecular elastomer (C)-constituted surface porous layer (D) and a surface finishing layer (E) is formed on at least one side of the surfaces of the base material (I), wherein the leatherlike sheet material is characterized in that the apparent density of the base material (I), the weight ratio of the nonwoven fabric (A) to the high molecular weight elastomer (B) and the high molecular elastomer (C) in the base material (I), the thickness of the grained surface layer (II), and the ratios of 20%-elongation load (&sgr;20)/5%-elongation load (&sgr;5) in the longitudinal direction and the transverse direction of the leatherlike sheet material satisfy their own specific ranges.Type: GrantFiled: June 24, 1999Date of Patent: September 17, 2002Assignee: Teijin LimitedInventors: Kunihiko Sasaki, Yoshiyuki Suzuki
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Publication number: 20020126774Abstract: A channel evaluator acquires a change predicted value from a known symbol, and a compensator compensates for a first symbol using the change predicted value. A demodulator restores a portion corresponding to this symbol with another subcarrier. A replica generator acquires a transmission replica of the restored symbol. The channel evaluator performs complex division on the replica with the symbol to acquire an amplitude phase ratio. A detector compares the amplitude phase ratio with an amplitude phase ratio acquired immediately previously. In case where an elimination condition is satisfied, the detector disregards the amplitude phase ratio acquired currently and uses an immediately previous value instead, an averaging unit averages amplitude phase ratios to acquire a next change predicted value, and the compensator compensates for a next symbol using the change predicted value. Hereinafter, the sequence of processes is repeated.Type: ApplicationFiled: March 6, 2002Publication date: September 12, 2002Applicant: Communications Research Laboratory, Independent Administrative Institution and Denso Corporation.Inventors: Hiroshi Harada, Masayuki Fujise, Ryuuhei Funada, Manabu Sawada, Kunihiko Sasaki
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Publication number: 20020098756Abstract: Provided is a leatherlike sheet material which has a base material (I) comprising a nonwoven fabric (A) constituted with ultrafine-fiber bundles having single fineness of no greater than 0.2 de, a high molecular elastomer (B) and a high molecular elastomer (C), and in which a grained surface layer (II) comprising a high molecular elastomer (C)-constituted surface porous layer (D) and a surface finishing layer (E) is formed on at least one side of the surfaces of the base material (I), wherein the leatherlike sheet material is characterized in that the apparent density of the base material (I), the weight ratio of the nonwoven fabric (A) to the high molecular weight elastomer (B) and the high molecular elastomer (C) in the base material (I), the thickness of the grained surface layer (II), and the ratios of 20%-elongation load (&sgr;20)/5%-elongation load (&sgr;5) in the longitudinal direction and the transverse direction of the leatherlike sheet material satisfy their own specific ranges.Type: ApplicationFiled: June 24, 1999Publication date: July 25, 2002Inventors: KUNIHIKO SASAKI, YOSHIYUKI SUZUKI
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Publication number: 20020018483Abstract: A diversity OFDM communication is performed between a base terminal and a mobile terminal, both having a horizontal polarization antenna and a vertical polarization antenna forming two transmission channels. In the base terminal, data signals to be transmitted are divided into two channels to transmit the data signals through either one of the channels having a higher transmission performance for each sub-carrier. Common pilot signals are transmitted through both channels. The data signals received by the mobile terminal are phase-adjusted using the common pilot signals. The phase-adjusted data signals in both channels are synthesized and then demodulated.Type: ApplicationFiled: June 1, 2001Publication date: February 14, 2002Inventors: Masahiro Kuwabara, Manabu Sawada, Kunihiko Sasaki
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Publication number: 20010047268Abstract: A packet signal, formed according to an orthogonal frequency division multiplexing (OFDM) format, received by a receiver is decoded in a decoder device of the receiver. The packet signal includes a data code and a control code having a formula for decoding the data code. The control code is first decoded and analyzed to obtain the decoding formula contained therein. The data code is decoded during a period in which the control code is being analyzed, based on plural decoding formulae one of which coincides with the decoding formula contained in the control code. Data signals decoded based on the respective decoding formulae are sent to an output selector together with the decoding formula obtained from the control code. The output selector selects a data signal which is decoded based on a decoding formula that coincides with the decoding formula obtained from the control code.Type: ApplicationFiled: May 29, 2001Publication date: November 29, 2001Inventors: Shigeki Kawai, Manabu Sawada, Kunihiko Sasaki
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Publication number: 20010028275Abstract: In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied thereto, and a power detector detects output power of the variable gain amplifier. A packet detection circuit detects a packet signal based on the detected output power. A control circuit outputs the control voltage variable with the detected output power, and the control voltage is provided for the amplifier. Thus high-speed gain control is performed immediately after the start of detection of the packet signal. When the elapsed time after the start of detection of the packet signal exceeds a predetermined time, a sample-hold circuit sample-and-holds the control voltage. This control voltage is provided for the amplifier up to the end of reception of the packet signal thereafter. Thus low-speed gain control is performed to provide stable power without distorting the signal wave.Type: ApplicationFiled: April 4, 2001Publication date: October 11, 2001Inventors: Kazuoki Matsugatani, Kunihiko Sasaki
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Patent number: 6261712Abstract: Disclosed is a method of reclaiming a cathodic active material of lithium ion secondary batteries. The lithium ion secondary battery is broken and the casing and the content are separated to remove the casing from the content. The content is dissolved into a mineral acid to separate remaining non-dissolved content from the mineral acid to obtain a liquid containing the cathodic active material represented by the formula: LiMO2, where M is a transition metal element: cobalt, nickel and manganese. A lithium salt is added to the liquid, and the cathodic active material is recovered from the liquid in the form of a mixture of lithium compound and the transition metal compound, which is calcined and reclaimed into the cathodic active material.Type: GrantFiled: June 23, 1999Date of Patent: July 17, 2001Assignee: Kabushiki Kaisha ToshibaInventors: Masaru Hayashi, Fuminobu Tezuka, Yuki Tomioka, Kunihiko Sasaki, Tetsuya Tachibe
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Patent number: 6225578Abstract: A switch device including a first switch section which is operated to carry out a switching operation by movement of a movable member, and a second switch section with a plurality of operating switches mounted on the movable member. By operating the first switch section to carry out a switching operation, the functions provided by the second switch section can be changed. The switch device of the invention, used for a vehicle steering switch unit or the like, provides many operating switch functions with a small number of operating switches. Therefore, the switch device can be easily operated.Type: GrantFiled: May 21, 1999Date of Patent: May 1, 2001Assignee: Alps Electric Co., Ltd.Inventors: Ayumu Kobayashi, Hideshi Sasaki, Kunihiko Sasaki