Patents by Inventor Satoshi Hosokawa
Satoshi Hosokawa 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: 8392197Abstract: A speaker speed conversion system includes: a risk site detection unit (22) for detecting sites of risk regarding sound quality from among speech that is received as input, a frame boundary detection unit (23) for searching for a plurality of points that can serve as candidates of frame boundaries from among speech that is received as input and, of these points, supplying as a frame boundary the point that is predicted to be best from the standpoint of sound quality, and an OLA unit (25) for implementing speed conversion based on the detection results in the frame boundary detection unit (23); wherein the frame boundary detection unit (23) eliminates, from candidates of frame boundaries, sites of risk regarding sound quality that were detected in the risk site detection unit (22).Type: GrantFiled: July 22, 2008Date of Patent: March 5, 2013Assignee: NEC CorporationInventor: Satoshi Hosokawa
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Publication number: 20130038746Abstract: The disclosed image capture device is provided with: an image capture unit which implements image capture; a detection unit which detects start-up related operations relating to the start-up of image capture functions; and a control unit which controls the image capture unit. When the detection unit detects start-up related operations, the control unit sends a first start-up instruction to the image capture unit, and then, within a specified timing, implements at least part of an end processing for functions being started-up which are not image capture functions. Upon receiving the first activation instruction, the image capture unit implements a first start-up processing which is one part of a start-up processing for the image capture unit, and thus a speculative state is entered.Type: ApplicationFiled: April 15, 2011Publication date: February 14, 2013Applicants: NTT DOCOMO, INC., NEC CASIO MOBILE COMMUNICATIONS, LTD.Inventors: Satoshi Hosokawa, Osamu Watanabe, Osamu Shimada, Toshiyuki Ueno, Tsugio Endo
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Patent number: 8373770Abstract: In order to solve a problem in which a stable and continuous photographing operation cannot be realized, for example, the continuous photographing operation stops irregularly or the like in an imaging device, the imaging device includes imaging means for generating image data, a first buffer for storing the image data, and control means for controlling an interval of photographing by the imaging means to maintain a constant or according to a continuous function which decreases monotonically with respect to a remaining capacity of the first buffer.Type: GrantFiled: February 16, 2009Date of Patent: February 12, 2013Assignees: NEC Casio Mobile Communications, Ltd., NTT Docomo, Inc.Inventor: Satoshi Hosokawa
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Patent number: 8363982Abstract: A method for rotating an image with which the image can be rotated with a small memory area, a program for rotation, a recording medium and a rotation device are provided. A memory area for storing image data is sectioned into a plurality of square image areas, one line among lines of a periphery of the memory area in an initial state is secured as a temporary storage area, the remaining area is secured as an image area, and an image in an initial state is rotated by performing rotation and movement of the image data in the memory area for each square unit via the temporary storage area.Type: GrantFiled: October 9, 2008Date of Patent: January 29, 2013Assignee: NEC CorporationInventors: Toshiyuki Ueno, Satoshi Hosokawa
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Publication number: 20120278087Abstract: Disclosed is a multiband compressor for applying dynamic compression to each of a plurality of bands of an audio signal that has been divided into frequency bands, then applying additive synthesis and outputting thereof; wherein power that is input to or output from each of the plurality of the bands is measured, and frequency bands are set on the basis of differences in power between each of the neighboring bands. Alternatively, power that is input to each of the plurality of bands is measured, a predetermined relative threshold is added to values for which a measured voltage has been smoothed, and a threshold to be given for dynamic compression processing for each of the plurality of bands is set. As a result, a multi-band compressor is provided for which an appropriate volume increase effect can be obtained regardless of what kind of signal is input.Type: ApplicationFiled: September 7, 2010Publication date: November 1, 2012Applicant: NEC CORPORATIONInventor: Satoshi Hosokawa
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Publication number: 20120218453Abstract: Provided is an image taking device having high image taking efficiency when a plurality of images are continuously taken. The image taking device comprises an image taking unit which performs image capturing processing and processing for creating a taken image, a first image processing unit which creates a live view image from a captured image captured by the image taking unit, a second image processing unit which creates a preview image from the taken image, a third image processing unit which performs processing for storing the taken image, and a display unit which displays the live view image and displays the preview image.Type: ApplicationFiled: October 14, 2010Publication date: August 30, 2012Inventor: Satoshi Hosokawa
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Publication number: 20120209616Abstract: In a multiband compressor 100, a level calculation unit 121 calculates a signal level inputted for each of bands, a gain calculation unit 122 calculates a gain value from the calculated signal level, and a gain limitation unit 130 limits a gain value by comparison with a gain value of the other band in a compressor for each band. With this configuration, provided is a multiband compressor capable of achieving a balance between the quality of sound and the effect of enhancing the sound level at a high level.Type: ApplicationFiled: September 7, 2010Publication date: August 16, 2012Applicant: NEC CORPORATIONInventor: Satoshi Hosokawa
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Patent number: 8081779Abstract: An object is to provide an audio circuit in which flow of excessive current through a capacitive speaker and a drive circuit thereof can be prevented while degradation of sound quality of high-pitched tones is suppressed. The audio circuit for driving a capacitive speaker includes: a weighting circuit for performing weighting in conformity with frequency components of an audio signal; and a signal-voltage limiting compression circuit for compressing a signal, which is input to the drive amplifier or which has been output from the drive circuit, at a prescribed compression ratio in accordance with a difference voltage between the output signal of the weighting circuit and a preset threshold voltage when the weighted signal exceeds the threshold voltage.Type: GrantFiled: March 14, 2007Date of Patent: December 20, 2011Assignee: NEC CorporationInventors: Jun Kuroda, Yukio Murata, Ukyo Mori, Satoshi Hosokawa
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Publication number: 20110224990Abstract: A speaker speed conversion system includes: a risk site detection unit (22) for detecting sites of risk regarding sound quality from among speech that is received as input, a frame boundary detection unit (23) for searching for a plurality of points that can serve as candidates of frame boundaries from among speech that is received as input and, of these points, supplying as a frame boundary the point that is predicted to be best from the standpoint of sound quality, and an OLA unit (25) for implementing speed conversion based on the detection results in the frame boundary detection unit (23); wherein the frame boundary detection unit (23) eliminates, from candidates of frame boundaries, sites of risk regarding sound quality that were detected in the risk site detection unit (22).Type: ApplicationFiled: July 22, 2008Publication date: September 15, 2011Inventor: Satoshi Hosokawa
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Patent number: 7965321Abstract: There is provided an imaging device capable of suppressing fluctuations in frame rate due to brightness of a subject's environment. The imaging device includes: imaging units (1, 2) for taking an image of a subject, to acquire image data; a compression unit (3) for compression in frame units the image data acquired by the imaging units (1, 2); a light quantity information calculation unit (2) for calculating light quantity information including a shutter speed and a gain value, based on the image data acquired by the imaging units (1, 2); and compression ratio determination units (5, 6) for determining a compression ratio for compression in frame units by the compression unit (3), based on the light quantity information calculated by the light quantity information calculation unit (2), characterized in that the compression unit (3) compresses the image data in frame units based on the compression ratio determined by the compression ratio determination units (5, 6).Type: GrantFiled: January 23, 2007Date of Patent: June 21, 2011Assignee: NEC CorporationInventor: Satoshi Hosokawa
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Publication number: 20100289917Abstract: In order to solve a problem in which a stable and continuous photographing operation cannot be realized, for example, the continuous photographing operation stops irregularly or the like in an imaging device, the imaging device includes imaging means for generating image data, a first buffer for storing the image data, and control means for controlling an interval of photographing by the imaging means to maintain a constant or according to a continuous function which decreases monotonically with respect to a remaining capacity of the first buffer.Type: ApplicationFiled: February 16, 2009Publication date: November 18, 2010Inventor: Satoshi Hosokawa
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Publication number: 20100246983Abstract: A data stream of a code string is divided into a series of a group of blocks. The first block of the group of blocks is compressed by a sliding dictionary method with codes of the first block as a reference dictionary. Blocks subsequent to the first block are recognized in succession as a target block to be compressed. Each time the target block is recognized, the target block is compressed by the sliding dictionary method with codes of the target block and results of compression of a group of blocks prior to the target block as a reference dictionary, and a result of compression of the target block is arranged at an end of the results of compression of the group of prior blocks.Type: ApplicationFiled: October 16, 2008Publication date: September 30, 2010Inventor: Satoshi Hosokawa
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Publication number: 20100231736Abstract: There is provided an imaging device capable of suppressing fluctuations in frame rate due to brightness of a subject's environment. The imaging device includes: imaging units (1, 2) for taking an image of a subject, to acquire image data; a compression unit (3) for compression in frame units the image data acquired by the imaging units (1, 2); a light quantity information calculation unit (2) for calculating light quantity information including a shutter speed and a gain value, based on the image data acquired by the imaging units (1, 2); and compression ratio determination units (5, 6) for determining a compression ratio for compression in frame units by the compression unit (3), based on the light quantity information calculated by the light quantity information calculation unit (2), characterized in that the compression unit (3) compresses the image data in frame units based on the compression ratio determined by the compression ratio determination units (5, 6).Type: ApplicationFiled: January 23, 2007Publication date: September 16, 2010Inventor: Satoshi Hosokawa
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Publication number: 20100226513Abstract: An object is to provide an audio circuit in which flow of excessive current through a capacitive speaker and a drive circuit thereof can be prevented while degradation of sound quality of high-pitched tones is suppressed. The audio circuit for driving a capacitive speaker includes: a weighting circuit for performing weighting in conformity with frequency components of an audio signal; and a signal-voltage limiting compression circuit for compressing a signal, which is input to the drive amplifier or which has been output from the drive circuit, at a prescribed compression ratio in accordance with a difference voltage between the output signal of the weighting circuit and a preset threshold voltage when the weighted signal exceeds the threshold voltage.Type: ApplicationFiled: March 14, 2007Publication date: September 9, 2010Applicant: NEC CORPORATIONInventors: Jun Kuroda, Yukio Murata, Ukyo Mori, Satoshi Hosokawa
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Publication number: 20100225778Abstract: An image capturing device, encoding method, and program in which even if the capturing of a large sized image is required, the capacity of a memory required for processing can be reduced. The image capturing device comprises a division transfer means for individually outputting arbitrary rectangular areas in captured images, a division encoding means for encoding the data from the division transfer means using a partial encoder, and combining means for combining the encoded data at the end.Type: ApplicationFiled: November 14, 2008Publication date: September 9, 2010Inventor: Satoshi Hosokawa
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Publication number: 20100209017Abstract: A method for rotating an image with which the image can be rotated with a small memory area, a program for rotation, a recording medium and a rotation device are provided. A memory area for storing image data is sectioned into a plurality of square image areas, one line among lines of a periphery of the memory area in an initial state is secured as a temporary storage area, the remaining area is secured as an image area, and an image in an initial state is rotated by performing rotation and movement of the image data in the memory area for each square unit via the temporary storage area.Type: ApplicationFiled: October 9, 2008Publication date: August 19, 2010Inventors: Toshiyuki Ueno, Satoshi Hosokawa
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Publication number: 20100120471Abstract: Luminance levels of a backlight 3 corresponding to gradations of a display image are registered as reference luminance values to a table 5a, signal levels of a drive signal to an LED driver 4 corresponding to reference luminance values are registered as luminance setting values to a table 6a, and values to correct a drive level of a liquid-crystal panel corresponding to gradations of the display image are registered as gamma correction values to a table 7a. According to the gradation of an image to be displayed, a signal level of the drive signal corresponding to the reference luminance value attained from the table 5a is obtained from the table 6a, to thereby drive the LED driver 4; and an LCD driver 2 is driven by a value obtained through correction by the gamma correction value obtained from the table 7a, to thereby display an image.Type: ApplicationFiled: March 25, 2008Publication date: May 13, 2010Inventors: Tatsuya Uchikawa, Satoshi Hosokawa
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Publication number: 20100086149Abstract: An acoustic processing system for an electronic device includes: an equalizer processor which boosts or cuts a digital signal which has been subjected to an acoustic process for each of frequency components; a low-pass filter which extracts a low-range signal from the signal from the equalizer processor and outputs the signal; a high-pass filter which extracts a high-range signal from the signal from the equalizer processor and outputs the signal; a high-frequency compressor which compresses the high-range signal; an adder which generates an addition of the low-range signal and the compressed high-range signal; and a speaker which outputs a sound in accordance with the addition of the signal.Type: ApplicationFiled: February 28, 2008Publication date: April 8, 2010Inventors: Jun Kuroda, Satoshi Hosokawa, Ukyo Mori
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Patent number: 7693293Abstract: Provided is a sound processing device including: a sound input unit for dividing an input sound into predetermined time units; a sound processing unit for encoding the input sound thus divided; a noise detecting unit; and an output control unit for replacing encoded data on the input sound with silent data according to detection results of the noise detecting unit. Also provided is an input sound processing method including: encoding an input sound; judging whether or not the input sound contains a noise; and replacing a noise portion contained in the encoded input sound with silent data.Type: GrantFiled: August 26, 2005Date of Patent: April 6, 2010Assignee: NEC CorporationInventors: Miyako Nemoto, Satoshi Hosokawa
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Patent number: 7660099Abstract: A case molded capacitor has a metallized film capacitor, a pair of bus bars, a resin-made internal case, molding resin, a metal external case, and a buffer material layer. The bus bars are each connected to respective one of electrodes of the metallized film capacitor. The internal case contains the metallized film capacitor. The metallized film capacitor is submerged with molding resin in the internal case so as to expose parts of the bus bars. The external case contains the internal case and both cases are connected at a connecting part. A buffer material layer is put in a gap made at least at a part between the internal case and the external case.Type: GrantFiled: September 17, 2007Date of Patent: February 9, 2010Assignee: Panasonic CorporationInventors: Takeshi Imamura, Toshiharu Saito, Satoshi Hosokawa, Toshihisa Miura, Yoshinari Nagata