Patents by Inventor Hisashi Nishikawa
Hisashi Nishikawa 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: 20050205399Abstract: A switch apparatus, including: a substantially box-like case; a cylinder section; a lever; a substantially cylindrical columnar support; an engagement convex section; an engagement concave section; and a press-in section. The cylinder section is provided at a substantial center of the case and has at an inner circumference thereof a reception section. The lever is attached to the case and is pivoted and operated to provide an electric connection of switch contacts provided in the case. The columnar support is inserted to the cylinder section and has one end that is abutted with the reception section. The engagement convex section is provided at one of the reception section and the columnar support and the engagement concave section is provided at the other. The press-in section is provided at one of the engagement convex section or the engagement concave section. The engagement convex section is pressed-in to and engaged with the engagement concave section via the press-in section.Type: ApplicationFiled: March 2, 2005Publication date: September 22, 2005Applicant: Matsushita Elec. Ind. Co. Ltd.Inventors: Ryuji Baba, Hisashi Nishikawa, Takashi Ichimura
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Patent number: 6909282Abstract: A rotation angle detector includes a rotor, first and second detecting elements which rotate according to a rotation of the rotor, first and second detecting units for detecting rotations of the first and second detecting elements, respectively, and a control unit for detecting a rotation angle of the rotor based on a first signal when a difference between the first and second signals output from the first and second detecting units ranges within a predetermined range.Type: GrantFiled: October 30, 2003Date of Patent: June 21, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Masahide Onishi, Toshihiro Nomura, Ichiro Tateishi, Hisashi Nishikawa, Yoshiyuki Nakade
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Patent number: 6804888Abstract: A rotational angle detector detects, with a detecting unit, a rotation of a rotary body rotating in cooperation with a steering wheel as a detection signal having a cyclic waveform that gradually increases or decreases in one cycle, calculates the detection signal as a rotational angle of the rotary body, and stores the detection signal. The rotational angle detector is used for detecting the rotational angle of a steering wheel of a car and allows the angle detection at a high solution in a simple structure.Type: GrantFiled: November 14, 2002Date of Patent: October 19, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hisashi Nishikawa, Yoshiyuki Nakade, Ichiro Tateishi, Masahide Onishi
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Publication number: 20040145364Abstract: A rotation angle detector includes a rotor, first and second detecting elements which rotate according to a rotation of the rotor, first and second detecting units for detecting rotations of the first and second detecting elements, respectively, and a control unit for detecting a rotation angle of the rotor based on a first signal when a difference between the first and second signals output from the first and second detecting units ranges within a predetermined range.Type: ApplicationFiled: October 30, 2003Publication date: July 29, 2004Inventors: Masahide Onishi, Toshihiro Nomura, Ichiro Tateishi, Hisashi Nishikawa, Yoshiyuki Nakade
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Patent number: 6630823Abstract: In a rotation-angle detector, a first detector detects a movement of a driven body following the rotation of a change gear engaged with a rotary gear of a rotary body, and outputs the detection result as a detection signal which gradually increases or decreases. At the same time, a second detector detects a rotation of a detecting gear engaged with the change gear or directly with the rotary gear of the rotary body and outputs the detection result as a detection signal which repeats continuously. A detecting circuit detects a rotation angle of the rotary body based on these two detection signals. This structure allows the rotation-angle detector to produce a smaller detection error, and be downsized. Further, only a simple calculation in the detecting circuit is necessary.Type: GrantFiled: January 23, 2002Date of Patent: October 7, 2003Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Ichiro Tateishi, Hisashi Nishikawa, Takashi Ichimura, Satoru Fukui, Yoshiyuki Nakade, Masahide Onishi
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Publication number: 20030088989Abstract: A rotational angle detector detects, with a detecting unit, a rotation of a rotary body rotating in cooperation with a steering wheel as a detection signal having a cyclic waveform that gradually increases or decreases in one cycle, calculates the detection signal as a rotational angle of the rotary body, and stores the detection signal. The rotational angle detector is used for detecting the rotational angle of a steering wheel of a car and allows the angle detection at a high solution in a simple structure.Type: ApplicationFiled: November 14, 2002Publication date: May 15, 2003Inventors: Hisashi Nishikawa, Yoshiyuki Nakade, Ichiro Tateishi, Masahide Onishi
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Publication number: 20020097044Abstract: In a rotation-angle detector, a first detector detects a movement of a driven body following a rotation of a change gear engaged with a rotary gear of a rotary body, and outputs the detection result as a detection signal which gradually increases or decreases. At the same time, a second detector detects a rotation of a detecting gear engaged with the change gear, and outputs the detection result as a detection signal which repeats continuously. A detecting circuit detects a rotation angle of a rotary body based on these two detection signals. This structure allows the rotation-angle detector to produce a smaller detection error, and be downsized. Further, a simple calculation in the detecting circuit is achievable.Type: ApplicationFiled: January 23, 2002Publication date: July 25, 2002Inventors: Ichiro Tateishi, Hisashi Nishikawa, Takashi Ichimura, Satoru Fukui, Yoshiyuki Nakade, Masahide Onishi
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Patent number: 6399905Abstract: At the lower side of a contact piece holder moving parallel in plural directions by manipulation of an operation lever, a middle part of a cross contact piece 21 having plural contacts at different positions in the longitudinal direction of arms extended in four directions is held, and by changing over plural fixed contacts of a switch board by this contact piece, the small current and medium current can be changed over by one contact piece only, so that a lever switch small in the number of parts and easy to assemble is obtained.Type: GrantFiled: July 13, 2000Date of Patent: June 4, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hisashi Nishikawa, Yoshiyuki Nakade
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Patent number: 6375477Abstract: The invention comprises a case having an opening, electronic parts and a wiring board installed in the case, a connector plug body fixed to the case, and a lid disposed in the opening of the case. The connector plug body has terminals and base. The terminals have an upper terminal projecting in upper direction from the base, and a lower terminal projecting from lower direction of the base. The lower terminal is electrically connected to the wiring board. The lid has a connector housing. The upper terminal projects into the connector housing. The base is fixed in the case, and hence the connector plug body is fixed to the case. The case has a connector fixing part projecting from the inner bottom of the case. The connector fixing part is positioned in lower direction of the connector housing, and the base is fixed in the connector fixing part. The connector housing is integrally formed with the lid. In this configuration, the connector area is reduced.Type: GrantFiled: January 23, 2001Date of Patent: April 23, 2002Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hisashi Nishikawa, Ichiro Tateishi, Masahide Onishi, Yoshiyuki Nakade
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Publication number: 20010027038Abstract: The invention comprises a case having an opening, electronic parts and a wiring board installed in the case, a connector plug body fixed to the case, and a lid disposed in the opening of the case. The connector plug body has terminals and base. The terminals have an upper terminal projecting in upper direction from the base, and a lower terminal projecting from lower direction of the base. The lower terminal is electrically connected to the wiring board. The lid has a connector housing. The upper terminal projects into the connector housing. The base is fixed in the case, and hence the connector plug body is fixed to the case. The case has a connector fixing part projecting from the inner bottom of the case. The connector fixing part is positioned in lower direction of the connector housing, and the base is fixed in the connector fixing part. The connector housing is integrally formed with the lid. In this configuration, the connector area is reduced.Type: ApplicationFiled: January 23, 2001Publication date: October 4, 2001Inventors: Hisashi Nishikawa, Ichiro Tateishi, Masahide Onishi, Yoshiyuki Nakade
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Patent number: 6215509Abstract: A non-impact recording method is provided in which 3 to 4 or more copying sheets can be made through a non-impact system and further a small-sized printer which can be installed in portable type information terminal equipment can be formed. A non-impact recording method is also provided in which when electricity is applied between separate electrodes and a common electrode oppositely contacted with each other and arranged against both surfaces of a conductive recording medium, a recording image is formed by heat energy generated by the conductive recording media, wherein a plurality of the conductive recording media are overlapped with each other and volume resistivities of each of the overlapped conductive recording media are substantially the same to each other or decreased as they may move toward the common electrode.Type: GrantFiled: April 24, 1998Date of Patent: April 10, 2001Assignee: Toshiba Tec Kabushiki KaishaInventors: Hisashi Nishikawa, Toshihiro Ichinohe, Mitsuharu Endo
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Patent number: 6021951Abstract: In the present wireless card system of the present invention, when data is transmitted from an IC card to a card reader, the IC card changes the load imposed on the transmission system in accordance with the contents of the data, and the card reader detects a reflected wave, which is generated in accordance with a change in the load, and identifies the data. The reflected wave is not a wave emitted by the IC card into the atmosphere, but is an alternating current that relies on the load condition in the transmission system between the transmitter and the receiver, and that is returned from the load in the transmission system. Thus, the reflected wave is not easily affected by the noise field in the vicinity of the antenna, and more precise data transmission is possible.Type: GrantFiled: April 15, 1998Date of Patent: February 8, 2000Assignee: International Business Machines CorporationInventor: Hisashi Nishikawa
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Patent number: 5115279Abstract: According to the present invention an exothermic member is provided freely rotatably and formed in a ring form composed of an exothermic resistor layer of high resistivity formed on an inner peripheral surface and a conductor layer of low resistivity formed on the outer peripheral surface of the exothermic resistor layer. A medium-leading member is provided for forming a conveyance path for media with the outer peripheral surface of the exothermic member in between and a pressing electrode member is provided for supporting the exothermic member in abutting against the exothermic resistor layer in a conductive state in a position opposing to the medium-leading member.Type: GrantFiled: July 31, 1990Date of Patent: May 19, 1992Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Ikuo Fujisawa, Yukihiro Ohsugi
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Patent number: 5113198Abstract: An image recording method and apparatus including jetting a single carrier gas stream from a nozzle toward an oppositely disposed recording member, causing vaporous dyes formed by heating sublimable dyes to be blown out according to a picture signal into the carrier gas stream, and attaching the vaporous dyes carried on the carrier gas stream onto the recording member. The dyes enter the gas stream immediately adjacent the orifice of the nozzle. In a second embodiment, the plurality of nozzles, each carrying only one color, are vibratable to mix the colors.Type: GrantFiled: July 23, 1990Date of Patent: May 12, 1992Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Yasuo Matsumoto, Ayumu Makino
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Patent number: 5032873Abstract: An apparatus for projecting an image includes an image forming member on which a latent image corresponding to an original image is formed, a developing device for developing the latent image on the latent image forming member by use of a developing agent, a light reflecting panel mechanism provided with an optical reflecting surface and a light converging member for transmitting therethrough and converging the reflected beam of light from the reflected surface, and to which the duplicated image on the latent image forming member is transferred, a projection mechanism for illuminating the surface of the light reflecting panel mechanism on which the transferred image is formed and for projecting the transferred image formed on the surface onto a screen, and a cleaning mechanism for removing the transferred image on the surface of the light reflecting panel mechanism.Type: GrantFiled: August 5, 1988Date of Patent: July 16, 1991Assignee: Tokyo Electric Co., Ltd.Inventor: Hisashi Nishikawa
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Patent number: 5032850Abstract: A method of vapor jet printing is described, along with several embodiments of apparatus for practicing such method. The vapor phase of a sublimable dye is mixed with a carrier gas. The resulting mixture is then jetted toward a recording medium. The carrier gas in indirectly heated by the sublimable dye to maintain the latter in its vaporous state during its travel to the recording medium. One embodiment of the apparatus includes a removable cartridge for the sublimable dye which enables color interchangeability and a limited downtime for dye recharging.Type: GrantFiled: December 18, 1989Date of Patent: July 16, 1991Assignee: Tokyo Electric Co., Ltd.Inventors: Gerry B. Andeen, Ronald Swidler, Hisashi Nishikawa, Yasuo Matsumoto, Ayumu Makino
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Patent number: 4905024Abstract: An ink dot printer wherein an ink supply member having both insulation property and ink-impregnation property is positioned in contact with conductive recording electrodes disposed opposite to an opposed electrode through a recording medium, and ink is fed from the ink supply member to fore ends of the recording electrodes, so that a printing operation can be performed without soiling the recording medium. Accordingly the entire structure can be simplified and the ink fed to the fore ends of the recording electrodes is effectively kept undried.Type: GrantFiled: December 1, 1988Date of Patent: February 27, 1990Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Mitsuharu Endo
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Patent number: 4868585Abstract: In an ink dot printer for forming a picture with ink by generating an electric field between a recording electrode and an opposed electrode confronting each other through a recording medium and thereby sputtering the ink from the fore end of the recording electrode toward the recording medium, the present invention employs a rod-shaped recording electrode composed of a conductive material with a multiplicity of longitudinal ink passages formed therein, hence enhancing the ink fluidity in the recording electrode to enable fast printing.Type: GrantFiled: August 26, 1987Date of Patent: September 19, 1989Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Mitsuharu Endo, Masashi Shimosato, Yasunobu Terao
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Patent number: 4806956Abstract: An ink dot printer wherein an ink supply member having a recording electrode fed with ink at the fore end is disposed opposite to an opposed electrode through a recording medium and wherein a picture is drawn with the ink splattered from the fore end of the recording electrode toward the recording medium by generating a potential difference between the opposed electrode and the recording electrode is such that the recording electrode is composed of a conductive material formed on an ink supply member by thin-film technique whereby the ink supply member has both an insulation property and an ink-impregnation property.Type: GrantFiled: April 8, 1988Date of Patent: February 21, 1989Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Mitsuharu Endo
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Patent number: 4801952Abstract: An ink dot printer includes a recording electrode and an operating electrode disposed in a mutually opposing relationship with a record medium interposed therebetween, and a potential difference is caused to appear between the electrodes so that ink around an end of the recording electrode is flown toward the record medium. The recording electrode is formed from a nonconductive member having an ink impregnability which is processed to provide electric conductivity on a surface thereof. Thus, an electric field is well concentrated at the end of the recording electrode, thereby assuring flying of ink from the end of the recording electrode to improve the stability of printing.Type: GrantFiled: October 19, 1987Date of Patent: January 31, 1989Assignee: Tokyo Electric Co., Ltd.Inventors: Hisashi Nishikawa, Mitsuharu Endo, Masashi Shimosato