Patents by Inventor Kenichi Kamada

Kenichi Kamada 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).

  • Patent number: 8072385
    Abstract: Disclosed is a circuit substrate supporting structure including: a base; a cover to cover over the base; a circuit substrate accommodated in the cover in a state standing on the base; a projecting section provided on the circuit substrate in a state projecting from a bottom edge section of the circuit substrate and placed on the base; an elastic piece placed on the projecting section; and a pressurizing section convexly provided on an inner wall of the cover above the projecting section to be pressed against the projecting section from above the elastic piece.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: December 6, 2011
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Kyuichi Sato, Hiroshi Suzuki, Kenichi Kamada, Takao Kato
  • Patent number: 8044871
    Abstract: A hybrid antenna unit includes a circuit board having top and bottom surfaces, a planer antenna element which is mounted on the top surface of the circuit board and which receives first and second radio waves, an antenna base and a top cover that cover the circuit board and the planer antenna element. A bar antenna element stands on the top cover in a slanting position. A processing unit is mounted on the bottom surface of the circuit board and is connected to the planer antenna element. The processing unit processes the first and the second radio waves. A shielding case is mounted on the bottom surface of the circuit board and shields the processing unit. A booster circuit is mounted on the circuit board and is for use in the bar antenna element.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: October 25, 2011
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Hisashi Takisawa, Junichi Noro, Takao Kato, Kenichi Kamada, Kyuichi Sato
  • Publication number: 20100315305
    Abstract: A hybrid antenna unit includes a circuit board having top and bottom surfaces, a planer antenna element which is mounted on the top surface of the circuit board and which receives first and second radio waves, an antenna base and a top cover that cover the circuit board and the planer antenna element. A bar antenna element stands on the top cover in a slanting position. A processing unit is mounted on the bottom surface of the circuit board and is connected to the planer antenna element. The processing unit processes the first and the second radio waves. A shielding case is mounted on the bottom surface of the circuit board and shields the processing unit. A booster circuit is mounted on the circuit board and is for use in the bar antenna element.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 16, 2010
    Applicant: Mitsumi Electric Co., Ltd.
    Inventors: Hisashi TAKISAWA, Junichi NORO, Takao KATO, Kenichi KAMADA, Kyuichi SATO
  • Patent number: 7825341
    Abstract: A circuit board has a first face and a second face opposite to the first face. An antenna element is mounted on the first face. A shield cover is attached to the second face. The shield cover includes a polygonal base portion, a first wall provided on a first side of the polygonal base portion, a second wall provided on a second side of the polygonal base portion, a third wall provided on a corner defined by the first side and the second side, and disposed between the first wall and the second wall, a first extending portion extended from the first wall so as to overlap with the third wall, and a second extending portion extended from the second wall so as to overlap with the third wall. The shield cover is soldered on the second face.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: November 2, 2010
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Kenichi Kamada, Junichi Noro, Satoshi Satoh
  • Publication number: 20100149070
    Abstract: An electrical connection structure including: a first terminal attached to an edge portion of a circuit board, and composed of a first nipping portion, a connecting portion, a second nipping portion and a leaf spring portion each formed integrally in order as a single member, wherein the connecting portion exists along a side face of the edge portion, the first and second nipping portion and the connecting portion hold the edge portion therebetween and the leaf spring portion extends from an opposite side to the side of the connecting portion of the second nipping portion so that an interior angle formed by the second nipping portion and the leaf spring portion to be an acute; and a second terminal to be electrically connected to the leaf spring portion, wherein the second terminal is pressed to the leaf spring portion into a direction of widening the interior angle.
    Type: Application
    Filed: March 27, 2009
    Publication date: June 17, 2010
    Applicant: Mitsumi Electric Co.,Ltd.
    Inventors: Kyuichi Sato, Hiroshi Suzuki, Kenichi Kamada, Takao Kato
  • Publication number: 20100141549
    Abstract: Disclosed is a circuit substrate supporting structure including: a base; a cover to cover over the base; a circuit substrate accommodated in the cover in a state standing on the base; a projecting section provided on the circuit substrate in a state projecting from a bottom edge section of the circuit substrate and placed on the base; an elastic piece placed on the projecting section; and a pressurizing section convexly provided on an inner wall of the cover above the projecting section to be pressed against the projecting section from above the elastic piece.
    Type: Application
    Filed: April 21, 2009
    Publication date: June 10, 2010
    Applicant: Mitsumi Electric Co., Ltd.
    Inventors: Kyuichi SATO, Hiroshi SUZUKI, Kenichi KAMADA, Takao KATO
  • Publication number: 20100141534
    Abstract: Disclosed is a cabinet of an electrical apparatus including: a base; a cover to cover over the base; a gasket placed on a top face of the base and nipped between a bottom edge section of the cover and the base; a fastening section to penetrate through the base from a bottom face to the top face of the base to connect to an inner face of the cover and to tighten so that the base is pulled to a cover side; a seal integrally formed with the gasket to surround on the top face of the base a through hole which the fastening section penetrates; and a hood provided on an inner face of the cover so as to surround a connecting portion of the fastening section and the cover, and the hood being pressed against the seal.
    Type: Application
    Filed: April 21, 2009
    Publication date: June 10, 2010
    Applicant: Mitsumi Electric Co. Ltd.
    Inventors: Kyuichi SATO, Hiroshi Suzuki, Kenichi Kamada, Takao Kato
  • Publication number: 20090232266
    Abstract: A signal processing device includes a phase shifting unit for supplying a second clock signal having a predetermined phase difference relative to a first clock signal, a head recognition bit adding unit for adding a head recognition bit to a predetermined position of data constituting a packet, an inputting unit for reading out a data signal from the memory in synchronization with the second clock signal, a clock replacing unit for inputting the data signal on the basis of the second clock signal and outputting the data signal on the basis of first clock signal, a data shifting unit for shifting the data signal by an amount corresponding to a predetermined number of clock cycles, and an enable signal generating unit for generating an enable signal for recognizing an available length of the packet after an appearance of the head recognition bit in the output signal.
    Type: Application
    Filed: February 4, 2009
    Publication date: September 17, 2009
    Applicant: Fujitsu Limited
    Inventors: Kenichi KAMADA, Masayuki Suzuki
  • Patent number: 7466280
    Abstract: A protector-equipped antenna unit has an antenna body including an antenna case, a cable derived from the antenna case to the outside, and a protector having a shape corresponding to an outside shape of the antenna body and of the cable. Inasmuch as the protector-equipped antenna has the protector having the shape corresponding to the outside shape of the antenna body and of the cable, it is possible to use an already-existing antenna unit as the antenna body.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: December 16, 2008
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Junichi Noro, Kenichi Kamada, Kyuichi Sato
  • Publication number: 20080296058
    Abstract: A circuit board has a first face and a second face opposite to the first face. An antenna element is mounted on the first face. A shield cover is attached to the second face. The shield cover includes a polygonal base portion, a first wall provided on a first side of the polygonal base portion, a second wall provided on a second side of the polygonal base portion, a third wall provided on a corner defined by the first side and the second side, and disposed between the first wall and the second wall, a first extending portion extended from the first wall so as to overlap with the third wall, and a second extending portion extended from the second wall so as to overlap with the third wall. The shield cover is soldered on the second face.
    Type: Application
    Filed: July 9, 2008
    Publication date: December 4, 2008
    Inventors: Kenichi Kamada, Junichi Noro, Satoshi Satoh
  • Patent number: 7414584
    Abstract: A circuit board has a first face and a second face opposite to the first face. An antenna element is mounted on the first face. A shield cover is attached to the second face. The shield cover includes a polygonal base portion, a first wall provided on a first side of the polygonal base portion, a second wall provided on a second side of the polygonal base portion, a third wall provided on a corner defined by the first side and the second side, and disposed between the first wall and the second wall, a first extending portion extended from the first wall so as to overlap with the third wall, and a second extending portion extended from the second wall so as to overlap with the third wall. The shield cover is soldered on the second face.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: August 19, 2008
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Kenichi Kamada, Junichi Noro, Satoshi Satoh
  • Publication number: 20080175388
    Abstract: A control system includes: a plurality of field equipments that are connected mutually to an IP network; a key management server that is connected mutually to the IP network and issues key information for authentication of the plurality of field equipments and security communication; and an attribute server having a GCKS server function, which is connected mutually to the IP network, and manages or provides attribute information for mutual authentication between the field equipments, and contains preset group information for multicast communication in a particular multicast group, wherein each of the field equipments is operable to: make authentication of the key management server; acquire information of the attribute server existing on the IP network; register information of each of the field equipments itself in the attribute server; acquire startup information from the attribute server; receive a notification of the group information from the attribute server; participate in a particular multicast group us
    Type: Application
    Filed: November 27, 2007
    Publication date: July 24, 2008
    Applicant: Yokogawa Electric Corporation
    Inventors: Nobuo OKABE, Shoichi SAKANE, Kazunori MIYAZAWA, Kenichi KAMADA
  • Patent number: 7397436
    Abstract: A protector-equipped antenna unit has an antenna body including an antenna case, a cable derived from the antenna case to the outside, and a protector for protecting the antenna body and the cable. The protector has drain holes. The protector has a cable protecting portion having a hook portion for fixing the cable.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: July 8, 2008
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Junichi Noro, Kenichi Kamada, Kyuichi Sato
  • Publication number: 20080028109
    Abstract: The present invention uses a Direct Memory Access controller for controlling DMA transfer for a plurality of channels whose priorities are set respectively and receives Data Request Signals for requesting data transfer for the respective channels. The DMA controller executes the DMA transfer for a channel having the highest priority from among the DMA transfer corresponding to the channels that receive the Data Request Signals. The DMA controller sets the priority of a channel used for the DMA transfer to the lowest priority. The DMA controller sets the priorities of other channels used for the DMA transfer to priorities when the DMA transfer is executed or the priorities different therefrom, which are predetermined priority other than the lowest priority.
    Type: Application
    Filed: July 24, 2007
    Publication date: January 31, 2008
    Applicant: MURATA KIKAI KABUSHIKI KAISHA
    Inventor: Kenichi KAMADA
  • Publication number: 20080024831
    Abstract: An image processing method includes the steps of: taking 2 to a (k?2)-th power-bit data from each one line of four-line data stored in an input line buffer out of the input image data to acquire four partial image data; rearranging each of the acquired four partial image data in sequence of the same data having been fed into the input line buffer; storing each of the rearranged four partial image data in an SDRAM as a minimum access unit; reading out an intermediate image data stored in the SDRAM on a minimum access unit to minimum access unit basis; storing four-pixel data extracted from each of the four partial image data, which compose the read out data, in a corresponding line memory element to rotate the input image data by 90 degrees; and outputting the acquired four lines of line data as part of the output image data.
    Type: Application
    Filed: July 26, 2007
    Publication date: January 31, 2008
    Applicant: MURATA KIKAI KABUSHIKI KAISHA
    Inventor: Kenichi KAMADA
  • Publication number: 20070176841
    Abstract: A circuit board has a first face and a second face opposite to the first face. An antenna element is mounted on the first face. A shield cover is attached to the second face. The shield cover includes a polygonal base portion, a first wall provided on a first side of the polygonal base portion, a second wall provided on a second side of the polygonal base portion, a third wall provided on a corner defined by the first side and the second side, and disposed between the first wall and the second wall, a first extending portion extended from the first wall so as to overlap with the third wall, and a second extending portion extended from the second wall so as to overlap with the third wall. The shield cover is soldered on the second face.
    Type: Application
    Filed: December 27, 2006
    Publication date: August 2, 2007
    Inventors: Kenichi Kamada, Junichi Noro, Satoshi Satoh
  • Publication number: 20060215710
    Abstract: In a frame communication method and device which can accurately reproduce received frames without being influenced by fluctuations of a frame interval caused by inter-channel multiplexing on a transmitting side, a frame interval is detected from transmission frames; information of the frame interval is added to the transmission frames; the transmission frames are multiplexed and transmitted. Also, the information of the frame interval is extracted from received frames demultiplexed; and the received frames are spaced by the frame interval to be transferred. When the frame interval exceeds a maximum frame interval determined by a bit number of the information of the frame interval, only information of the maximum frame interval is transmitted and information of subsequent remaining frame intervals is added to the transmission frames to be transmitted.
    Type: Application
    Filed: July 27, 2005
    Publication date: September 28, 2006
    Inventors: Wataru Odashima, Katsuya Tsushita, Susumu Suwa, Yutaka Kosuge, Takayuki Kato, Takanobu Uegaki, Kenichi Kamada
  • Publication number: 20060187621
    Abstract: A protector-equipped antenna unit has an antenna body including an antenna case, a cable derived from the antenna case to the outside, and a protector for protecting the antenna body and the cable. The protector has drain holes. The protector has a cable protecting portion having a hook portion for fixing the cable.
    Type: Application
    Filed: November 30, 2005
    Publication date: August 24, 2006
    Applicant: Mitsumi Electric Co. Ltd.
    Inventors: Junichi Noro, Kenichi Kamada, Kyuichi Sato
  • Publication number: 20060187620
    Abstract: A protector-equipped antenna unit has an antenna body including an antenna case, a cable derived from the antenna case to the outside, and a protector having a shape corresponding to an outside shape of the antenna body and of the cable. Inasmuch as the protector-equipped antenna has the protector having the shape corresponding to the outside shape of the antenna body and of the cable, it is possible to use an already-existing antenna unit as the antenna body.
    Type: Application
    Filed: November 30, 2005
    Publication date: August 24, 2006
    Applicant: Mitsumi Electric Co. Ltd.
    Inventors: Junichi Noro, Kenichi Kamada, Kyuichi Sato
  • Patent number: 7084820
    Abstract: An antenna device comprises a coaxial cable that has a central conductor and an outer conductor and is folded into an L-shape at an end portion. An L-shaped first-conductor-portion is electrically connected to the central conductor at the end portion of the coaxial cable. An L-shaped second-conductor-portion is electrically connected to the outer conductor at the end portion of the coaxial cable and is disposed along an outer circumferential face of the coaxial cable. The first and second conductor portions as a whole are formed into an approximate U-shape.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: August 1, 2006
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Junichi Noro, Kenichi Kamada, Akira Miyoshi