Patents by Inventor Ikuo Fuchigami
Ikuo Fuchigami 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: 9367907Abstract: This flicker reducing apparatus (200) includes: a line integral value getting section (210) which gets, based on values of pixels included in ones selected from a plurality of horizontal lines that form an image, line integral values of the selected horizontal lines with respect to each image; a discrete Fourier transform section (230) which performs, between the newest image and a number of other images gotten earlier than the newest one, a discrete Fourier transform on a sequence of the line integral values of the respective images; a linear approximation section (250) which obtains an approximation line based on phase information that has been collected as a result of the discrete Fourier transform and which extracts information about the flicker from the approximation line; a flicker coefficient calculating section (260) which calculates a flicker coefficient by reference to the flicker information; and a correction arithmetic section (270) which performs flicker reduction processing on the image signal uType: GrantFiled: April 11, 2014Date of Patent: June 14, 2016Assignee: Panasonic Intellectual Property Corporation of AmericaInventor: Ikuo Fuchigami
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Publication number: 20160142138Abstract: An information communication method of transmitting a signal is provided that uses a change in luminance. The method includes determining a pattern of the change in luminance by modulating the signal to be transmitted, and transmitting the signal by a light emitter changing in luminance according to the determined pattern. The pattern of the change in luminance is a pattern in which one of two different luminance values occurs in each arbitrary position in a predetermined duration. The determining a pattern of change in luminance includes dividing the predetermined duration into four duration units, so that one of two different luminance value occurs in one duration unit of the four duration units and the other luminance value of the two different luminance value occurs in three duration units of the four duration units, the three duration units are other than the one duration unit.Type: ApplicationFiled: January 21, 2016Publication date: May 19, 2016Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Tsutomu MUKAI, Hidehiko SHIN, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA
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Patent number: 9341014Abstract: An information communication method that enables communication between various devices is an information communication method of transmitting a signal using a change in luminance, and includes: determining a pattern of the change in luminance, by modulating the signal to be transmitted; and transmitting the signal, by a plurality of light emitters changing in luminance according to the determined pattern of the change in luminance, wherein the plurality of light emitters are arranged on a surface so that a non-luminance change area does not extend across the surface between the plurality of light emitters along at least one of a horizontal direction and a vertical direction of the surface, the non-luminance change area being an area in the surface outside the plurality of light emitters and not changing in luminance.Type: GrantFiled: December 27, 2013Date of Patent: May 17, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
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Patent number: 9344640Abstract: This image capture device (100) includes: an image sensor (102); an integrated value calculating section (210) which calculates, on a frame-by-frame basis, a value of a line integral of luminance values with respect to each of a plurality of horizontal lines included in a frame; a memory (220); an average calculating section (230) which calculates a line average value by working out the average of the values of the line integral on the same horizontal line between the newest frame and a number of other frames gotten earlier than the newest one in the memory (220); a waveform data generating section (240) which generates waveform data by normalizing the value of the line integral in the memory (220) based on the value of the line integral and a line average value; and a flicker extracting section (250) which extracts information about the phase and frequency of the flicker based on the waveform data.Type: GrantFiled: March 20, 2014Date of Patent: May 17, 2016Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Yoshiteru Tanaka, Ikuo Fuchigami, Tsuyoshi Nakamura
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Patent number: 9331779Abstract: An information communication method is provided for obtaining information from a subject. The information communication method includes transmitting position information indicating a position of an image sensor used to capture the subject, and receiving an ID list that is associated with the position indicated by the position information. The information communication method also includes setting an exposure time of the image sensor so that in a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject. The information communication method further includes obtaining a bright line image including the bright line, obtaining information by demodulating data specified by a cycle length or frequency of a stripe pattern of the bright line included in the obtained bright line image, and searching the ID list for identification information that includes the obtained information.Type: GrantFiled: August 5, 2015Date of Patent: May 3, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Tsutomu Mukai, Hidehiko Shin, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada, Toshiyuki Maeda, Akihiro Ueki, Takashi Suzuki, Akira Shiokawa, Koji Aoto
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Publication number: 20160112128Abstract: An information communication method is provided for transmitting a signal using a change in luminance. The method includes determining a pattern of the change in luminance by modulating the signal to be transmitted, and transmitting the signal by a light emitter changing in luminance according to the determined pattern, wherein the pattern of the change in luminance is a pattern in which one of two different luminance values occurs in each arbitrary position in a predetermined duration. In the determining, the pattern of the change in luminance is determined so that a luminance change position in the duration is different for each of different signals to be transmitted, the luminance change position being a position at which the luminance rises or a position at which the luminance falls.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Hidehiko SHIN, Tsutomu MUKAI, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA
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Patent number: 9300845Abstract: An information communication method includes: setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject; capturing the subject that changes in luminance by the image sensor with the set exposure time, to obtain the image including the bright line; and obtaining information by demodulating data specified by a pattern of the bright line included in the obtained image.Type: GrantFiled: March 14, 2014Date of Patent: March 29, 2016Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Mitsuaki Oshima, Kazunori Yamada, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Koji Nakanishi
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Publication number: 20160087721Abstract: An apparatus includes a processor and a recording medium having a program, the program causing the processor to execute operations. The operations include a normal mode and a visible light communication mode, wherein the normal mode and the visible light communication mode are switchable. In the normal mode, first image data is obtained by image capture with a first exposure time by sequentially starting exposure for a plurality of exposure lines in an image sensor each at a different time and each of the plurality of exposure lines partially overlaps in exposure time an adjacent exposure line. The visible light communication mode includes (i) setting a second exposure time of the image sensor, (ii) obtaining a bright line image including the plurality of bright lines, and (iii) obtaining information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image.Type: ApplicationFiled: December 4, 2015Publication date: March 24, 2016Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Hidehiko SHIN, Tsutomu MUKAI, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA
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Patent number: 9281895Abstract: An information communication method is provided for transmitting a signal using a change in luminance. The information communication method includes determining a pattern of the change in luminance by modulating a signal to be transmitted, and transmitting the signal by a display, which comprises a light emitter that changes luminance according to the determined pattern. In the determining a pattern, the pattern of the change in luminance is determined by adjusting a first time from one change in luminance to a next change in luminance according to the signal, the one change in luminance and the next change in luminance being a same one of a rise and a fall in luminance.Type: GrantFiled: April 27, 2015Date of Patent: March 8, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Tsutomu Mukai, Hidehiko Shin, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
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Patent number: 9258058Abstract: A signal transmitting apparatus is provided that includes a light emitter and a circuit that controls the light emitter change in luminance in frequency to transmit a signal to a receiving apparatus. The receiving apparatus includes a processor and a recording medium having a program, the program causing the processor to execute operations. The operations include obtaining first image data with a first exposure time; setting a second exposure time of the image sensor so that, in an image obtained by capturing a subject by the image sensor, a plurality of bright lines corresponding to the plurality of exposure lines included in the image sensor appear according to a change in luminance of the subject; obtaining a bright line image including the plurality of bright lines; and obtaining information by demodulating data specified by a pattern of the plurality of bright lines.Type: GrantFiled: February 6, 2015Date of Patent: February 9, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
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Patent number: 9252878Abstract: An information communication method that enables communication between various devices includes: determining a pattern of the change in luminance by modulating the signal to be transmitted; and transmitting the signal by a light emitter changing in luminance according to the determined pattern, wherein the pattern of the change in luminance is a pattern in which one of two different luminance values occurs in each arbitrary position in a predetermined duration, and in the determining, the pattern of the change in luminance is determined so that a luminance change position in the duration is different for each of different signals to be transmitted, the luminance change position being a position at which the luminance rises or a position at which the luminance falls.Type: GrantFiled: November 22, 2013Date of Patent: February 2, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
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Patent number: 9203515Abstract: An information communication device includes an exposure time setter that sets an exposure time of an image sensor so that a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the light emitter. A first information obtainer obtains first information by demodulating data specified by a pattern of the bright line included in the obtained bright line image and a second information obtainer obtains second information by capturing a plurality of light emitting elements, each of which emits light with one of two different luminance values, and demodulating data specified by a light and dark sequence of luminance along a direction substantially parallel to the exposure line.Type: GrantFiled: June 12, 2014Date of Patent: December 1, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Tsutomu Mukai, Hidehiko Shin, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
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Publication number: 20150341539Abstract: An information communication method is provided for obtaining information from a subject. The information communication method includes transmitting position information indicating a position of an image sensor used to capture the subject, and receiving an ID list that is associated with the position indicated by the position information. The information communication method also includes setting an exposure time of the image sensor so that in a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject. The information communication method further includes obtaining a bright line image including the bright line, obtaining information by demodulating data specified by a cycle length or frequency of a stripe pattern of the bright line included in the obtained bright line image, and searching the ID list for identification information that includes the obtained information.Type: ApplicationFiled: August 5, 2015Publication date: November 26, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Tsutomu MUKAI, Hidehiko SHIN, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA, Toshiyuki MAEDA, Akihiro UEKI, Takashi SUZUKI, Akira SHIOKAWA, Koji AOTO
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Patent number: 9184838Abstract: An information communication method for obtaining information from a subject includes transmitting position information indicating a position of an image sensor used to capture the subject, and receiving an ID list that is associated with the position indicated by the position information. The method also includes setting an exposure time of the image sensor so that a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject. The method further includes obtaining a bright line image including the bright line by capturing the subject that changes in luminance by the image sensor with the set exposure time, obtaining the information by demodulating data specified by a pattern of the bright line included in the obtained bright line image, and searching the ID list for identification information.Type: GrantFiled: November 12, 2014Date of Patent: November 10, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Tsutomu Mukai, Hidehiko Shin, Yosuke Matsushita, Shigehiro Ilda, Kazunori Yamada, Toshiyuki Maeda, Akihiro Ueki, Takashi Suzuki, Akira Shiokawa, Koji Aoto
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Patent number: 9166810Abstract: An information communication method includes: setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject; capturing the subject that changes in luminance by the image sensor with the set exposure time, to obtain the image including the bright line; and obtaining information by demodulating data specified by a pattern of the bright line included in the obtained image.Type: GrantFiled: May 24, 2013Date of Patent: October 20, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki Oshima, Kazunori Yamada, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Koji Nakanishi
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Patent number: 9143339Abstract: An information communication method includes: setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to an exposure line included in the image sensor appears according to a change in luminance of the subject; capturing the subject that changes in luminance by the image sensor with the set exposure time, to obtain the image including the bright line; and obtaining information by demodulating data specified by a pattern of the bright line included in the obtained image.Type: GrantFiled: March 14, 2014Date of Patent: September 22, 2015Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Mitsuaki Oshima, Kazunori Yamada, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Koji Nakanishi
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Patent number: 9143933Abstract: A communication device, which can simplify various setting processes, transmits, to a server via a network, external device information received from an external device by using proximity wireless communication.Type: GrantFiled: December 16, 2013Date of Patent: September 22, 2015Assignee: Panasonic Intellectual Property Corporation of AmericaInventors: Yoichi Ikeda, Mitsuaki Oshima, Masaru Yamaoka, Tsutomu Mukai, Takahiro Sato, Ikuo Fuchigami, Tadanori Tezuka, Shohji Ohtsubo, Yosuke Matsushita, Hironori Nakae
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Publication number: 20150244914Abstract: An information communication method is provided for obtaining information from a subject using a terminal device. The method includes obtaining and holding identification information of devices, and service information associated with the identification information, from a server. The method also includes setting an exposure time of an image sensor so that a bright line corresponding to each of the plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject, and obtaining a bright line image including a plurality of bright lines. The method further includes obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image, selecting service information associated with the identification information, and presenting the service information to a user of the terminal device.Type: ApplicationFiled: April 29, 2015Publication date: August 27, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Tsutomu MUKAI, Hidehiko SHIN, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA
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Publication number: 20150244919Abstract: An information communication method is provided that includes setting an exposure time of an image sensor so that, in an image obtained by capturing a subject by the image sensor, a plurality of bright lines corresponding to a plurality of exposure lines included in the image sensor appear according to a change in luminance of the subject. The method also includes obtaining a bright line image including the plurality of bright lines, by capturing the subject changing in luminance by the image sensor with the set exposure time, and obtaining information by demodulating data specified by a pattern of the plurality of bright lines included in the obtained bright line image.Type: ApplicationFiled: May 14, 2015Publication date: August 27, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Mitsuaki OSHIMA, Koji NAKANISHI, Hideki AOYAMA, Ikuo FUCHIGAMI, Hidehiko SHIN, Tsutomu MUKAI, Yosuke MATSUSHITA, Shigehiro IIDA, Kazunori YAMADA
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Publication number: 20150229824Abstract: This image capture device (100) includes: an image sensor (102); an integrated value calculating section (210) which calculates, on a frame-by-frame basis, a value of a line integral of luminance values with respect to each of a plurality of horizontal lines included in a frame; a memory (220); an average calculating section (230) which calculates a line average value by working out the average of the values of the line integral on the same horizontal line between the newest frame and a number of other frames gotten earlier than the newest one in the memory (220); a waveform data generating section (240) which generates waveform data by normalizing the value of the line integral in the memory (220) based on the value of the line integral and a line average value; and a flicker extracting section (250) which extracts information about the phase and frequency of the flicker based on the waveform data.Type: ApplicationFiled: March 20, 2014Publication date: August 13, 2015Inventors: Yoshiteru Tanaka, Ikuo Fuchigami, Tsuyoshi Nakamura