Patents by Inventor Masatoshi Ookubo
Masatoshi Ookubo 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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Imaging device to output an electric signal and vary gain based on temperature of an imaging element
Patent number: 8854513Abstract: According to an embodiment, an imaging device includes a first CCD which converts a first color component into a first electric signal, a second CCD which converts a second color component different from the first color component into a second electric signal, a third CCD which converts a third color component different from the first and second color components into a third electric signal, and a heat sink having first to third radiators which radiate heat from the first to third CODs. The first to third radiators are maintained at the same temperature by the function of the heat sink.Type: GrantFiled: July 20, 2009Date of Patent: October 7, 2014Assignee: Kabushiki Kaisha ToshibaInventors: Masatoshi Ookubo, Tetsuo Sakurai -
Patent number: 8587678Abstract: According to one embodiment, a head-separated camera device includes an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit and the control unit. The imaging unit includes a sensor configured to capture an image to provide a video signal, a superimposition module configured to superimpose, on serial data, the video signal, the synchronization signal, and the clock signal, the serial data serving to reproduce the image captured by the sensor, and a transmitter configured to transmit the serial data to the control unit. The control unit includes a receiver configured to receive the serial data and a separation module configured to separate the serial data received by the receiver, into the video signal, the synchronization signal, and the clock signal.Type: GrantFiled: August 2, 2012Date of Patent: November 19, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Shinozaki, Masatoshi Ookubo, Hiroyuki Irikura, Takashi Tsuda, Koichi Mitsuo
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Patent number: 8411138Abstract: According to an aspect of the present invention, there is provided a camera head separated type camera device including: a camera head; a camera control unit; and a cable connecting the camera head and the camera control unit with each other, wherein the camera control unit includes: a control portion which feeds a predetermined DC (Direct Current) voltage to the camera head, and wherein the camera head includes: an LVDS conversion driver portion which transmits an LVDS (Low Voltage Differential Signaling) signal to the camera control unit; a correction control portion which outputs a correction value for the LVDS signal; and an LVDS control portion which controls the LVDS conversion driver portion based on the correction value.Type: GrantFiled: May 25, 2010Date of Patent: April 2, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Takashi Tsuda, Hiroshi Shinozaki, Masatoshi Ookubo, Kei Tashiro, Hiroyuki Irikura
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Publication number: 20120293676Abstract: According to one embodiment, a head-separated camera device includes an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit and the control unit. The imaging unit includes a sensor configured to capture an image to provide a video signal, a superimposition module configured to superimpose, on serial data, the video signal, the synchronization signal, and the clock signal, the serial data serving to reproduce the image captured by the sensor, and a transmitter configured to transmit the serial data to the control unit. The control unit includes a receiver configured to receive the serial data and a separation module configured to separate the serial data received by the receiver, into the video signal, the synchronization signal, and the clock signal.Type: ApplicationFiled: August 2, 2012Publication date: November 22, 2012Inventors: Hiroshi Shinozaki, Masatoshi Ookubo, Hiroyuki Irikura, Takashi Tsuda, Koichi Mitsuo
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Patent number: 8314843Abstract: According to one embodiment, a camera apparatus includes, an imaging unit which acquires videos, a cable which connects the imaging unit to a control unit, and the control unit which comprises an asynchronous FIFO memory and a signal processing module and controls the imaging unit, the control unit performing transmitting to the imaging unit a drive signal configured to control an image sensor included in the imaging unit, and receiving a video signal including a clock signal or a synchronous signal output from the image sensor and converting this signal into a video signal standardized via the signal processing module.Type: GrantFiled: October 21, 2010Date of Patent: November 20, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Shinozaki, Masatoshi Ookubo, Koichi Mitsuo, Hiroyuki Irikura
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Publication number: 20120013755Abstract: According to one embodiment, a method for controlling a head-separated camera device in which a camera head and a camera control unit are connected to each other by a cable comprising a line that supplies the camera head with serial data from the camera control unit. The method comprises outputting, by the camera control unit, serial data containing information for specifying a predetermined control target device of a plurality of control target devices to be controlled, where the plurality of control target devices are implemented within the camera head. The method further comprises identifying, by the camera head, the predetermined control target device specified by the serial data received, and supplying the predetermined control target device with an active select signal.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Inventors: Hiroshi Shinozaki, Masatoshi Ookubo, Kei Tashiro, Takashi Tsuda, Hiroyuki Irikura, Junya Fukumoto
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Patent number: 8059160Abstract: According to one embodiment, a camera control unit outputs serial data containing information for specifying a predetermined control target device to be controlled from among plural control target devices comprised in a camera head. The camera head identifies the control target device specified by the received serial data, and supplies the identified control target device with a select signal for an active state.Type: GrantFiled: February 18, 2010Date of Patent: November 15, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Shinozaki, Masatoshi Ookubo, Kei Tashiro, Takashi Tsuda, Hiroyuki Irikura, Junya Fukumoto
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Patent number: 8040374Abstract: According to one embodiment, a head-separated device has an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit with the control unit, wherein the imaging unit comprises sensor configured to capture an image, and a transmitter configured to transmit a video signal, a sync signal (HD, VD) and a clock signal to restore or to reproduce the image captured by the sensor, and the control unit comprises a determining module configured to determine whether a waveform of the video signal has a level that the video processor is processable, and a setting module configured to set the transmitter to perform enhancement correction to the video signal, if the determining module determines that the waveform of the video signal does not have the level that the video processor is processable.Type: GrantFiled: April 28, 2010Date of Patent: October 18, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Masatoshi Ookubo, Hiroshi Shinozaki, Kei Tashiro, Takashi Tsuda, Hiroyuki Irikura, Junya Fukumoto
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Publication number: 20110122262Abstract: According to one embodiment, a camera apparatus includes, an imaging unit which acquires videos, a cable which connects the imaging unit to a control unit, and the control unit which comprises an asynchronous FIFO memory and a signal processing module and controls the imaging unit, the control unit performing transmitting to the imaging unit a drive signal configured to control an image sensor included in the imaging unit, and receiving a video signal including a clock signal or a synchronous signal output from the image sensor and converting this signal into a video signal standardized via the signal processing module.Type: ApplicationFiled: October 21, 2010Publication date: May 26, 2011Inventors: Hiroshi Shinozaki, Masatoshi Ookubo, Koichi Mitsuo, Hiroyuki Irikura
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Publication number: 20110050877Abstract: According to one embodiment, a head-separated device has an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit with the control unit, wherein the imaging unit comprises sensor configured to capture an image, and a transmitter configured to transmit a video signal, a sync signal (HD, VD) and a clock signal to restore or to reproduce the image captured by the sensor, and the control unit comprises a determining module configured to determine whether a waveform of the video signal has a level that the video processor is processable, and a setting module configured to set the transmitter to perform enhancement correction to the video signal, if the determining module determines that the waveform of the video signal does not have the level that the video processor is processable.Type: ApplicationFiled: April 28, 2010Publication date: March 3, 2011Inventors: Masatoshi Ookubo, Hiroshi Shinozaki, Kei Tashiro, Takashi Tsuda, Hiroyuki Irikura, Junya Fukumoto
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Publication number: 20110025907Abstract: According to an aspect of the present invention, there is provided a camera head separated type camera device including: a camera head; a camera control unit; and a cable connecting the camera head and the camera control unit with each other, wherein the camera control unit includes: a control portion which feeds a predetermined DC (Direct Current) voltage to the camera head, and wherein the camera head includes: an LVDS conversion driver portion which transmits an LVDS (Low Voltage Differential Signaling) signal to the camera control unit; a correction control portion which outputs a correction value for the LVDS signal; and an LVDS control portion which controls the LVDS conversion driver portion based on the correction value.Type: ApplicationFiled: May 25, 2010Publication date: February 3, 2011Inventors: Takashi Tsuda, Hiroshi Shinozaki, Masatoshi Ookubo, Kei Tashiro, Hiroyuki Irikura
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Publication number: 20110013078Abstract: According to one embodiment, a head-separated camera device includes an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit and the control unit. The imaging unit includes a sensor configured to capture an image to provide a video signal, a superimposition module configured to superimpose, on serial data, the video signal, the synchronization signal, and the clock signal, the serial data serving to reproduce the image captured by the sensor, and a transmitter configured to transmit the serial data to the control unit. The control unit includes a receiver configured to receive the serial data and a separation module configured to separate the serial data received by the receiver, into the video signal, the synchronization signal, and the clock signal.Type: ApplicationFiled: June 9, 2010Publication date: January 20, 2011Inventors: Hiroshi Shinozaki, Masatoshi Ookubo, Hiroyuki Irikura, Takashi Tsuda, Koichi Mitsuo
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Publication number: 20110013037Abstract: According to one embodiment, a head-separated camera device has an imaging unit, control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit with the control unit, wherein the imaging unit comprises a sensor configured to capture an image, and a transmitter configured to transmit a video signal, a synchronization signal, and a clock signal, for recovering or reproducing the image captured by the sensor, and the control unit comprises detector configured to detect that the imaging unit is connected to the control unit if a preset value preset in the imaging unit is read via a control line, and a setting module configured to set a register setting in the sensor if the detector detects connection of the imaging unit.Type: ApplicationFiled: July 2, 2010Publication date: January 20, 2011Inventors: Hiroyuki Irikura, Hiroshi Shinozaki, Masatoshi Ookubo, Takashi Tsuda, Koichi Mitsuo
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Publication number: 20100302391Abstract: According to one embodiment, a camera control unit outputs serial data containing information for specifying a predetermined control target device to be controlled from among plural control target devices comprised in a camera head. The camera head identifies the control target device specified by the received serial data, and supplies the identified control target device with a select signal for an active state.Type: ApplicationFiled: February 18, 2010Publication date: December 2, 2010Inventors: Hiroshi Shinozaki, Masatoshi Ookubo, Kei Tashiro, Takashi Tsuda, Hiroyuki Irikura, Junya Fukumoto
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Patent number: 7728876Abstract: An imaging apparatus includes: a camera head that is provided with an image pickup device that outputs an image signal; a camera control unit that is connected to the camera head with a camera cable and outputs a video signal based on the image signal; a CDS circuit that performs co-related double sampling on the image signal; a pulse generator that outputs sample pulses to the CDS circuit; a phase adjusting unit that performs phase adjustment on a clock signal and outputs the adjusted clock signal to the pulse generator; a peak search unit that searches for a peak range in the image signal being performed with the co-related double sampling by the CDS circuit; and a phase control unit that controls the phase adjustment by the phase adjusting unit based on a result of the search by the peak search unit.Type: GrantFiled: December 12, 2008Date of Patent: June 1, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Tetsuo Sakurai, Masatoshi Ookubo, Hidetaka Nakamura
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Publication number: 20100103295Abstract: According to an embodiment, an imaging device includes a first CCD which converts a first color component into a first electric signal, a second CCD which converts a second color component different from the first color component into a second electric signal, a third CCD which converts a third color component different from the first and second color components into a third electric signal, and a heat sink having first to third radiators which radiate heat from the first to third CODs. The first to third radiators are maintained at the same temperature by the function of the heat sink.Type: ApplicationFiled: July 20, 2009Publication date: April 29, 2010Applicant: Kabushiki Kaisha ToshibaInventors: Masatoshi Ookubo, Tetsuo Sakurai
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Publication number: 20090244295Abstract: An imaging apparatus includes: a camera head that is provided with an image pickup device that outputs an image signal; a camera control unit that is connected to the camera head with a camera cable and outputs a video signal based on the image signal; a CDS circuit that performs co-related double sampling on the image signal; a pulse generator that outputs sample pulses to the CDS circuit; a phase adjusting unit that performs phase adjustment on a clock signal and outputs the adjusted clock signal to the pulse generator; a peak search unit that searches for a peak range in the image signal being performed with the co-related double sampling by the CDS circuit; and a phase control unit that controls the phase adjustment by the phase adjusting unit based on a result of the search by the peak search unit.Type: ApplicationFiled: December 12, 2008Publication date: October 1, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tetsuo Sakurai, Masatoshi Ookubo, Hidetaka Nakamura
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Publication number: 20090237497Abstract: An endoscope camera head includes: an image pickup device that is configured to capture an image of an optical image and output an imaging signal containing the captured image; and a lens member that includes a lens for forming the optical image on the image pickup device, wherein the image pickup device is fixed to the lens member at a position in which the center of an image circle of the lens and the center of an image pickup area of the image pickup device coincide with each other.Type: ApplicationFiled: December 12, 2008Publication date: September 24, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Sei Iinuma, Akihiro Oohashi, Masatoshi Ookubo, Takumi Murakami, Kazutoshi Araki