Patents Assigned to Citizen Holdings Co., Ltd.
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Patent number: 8436880Abstract: A thermal printer in which papers in a plurality of different widths are usable is configured of a platen roller unit including a platen roller; a thermal printhead unit including a thermal printhead and an exothermic element array; and a plurality of bias elements arranged on the thermal printhead in a width direction to press the thermal printhead onto the platen roller, in which the number of the bias elements is a value obtained by dividing a maximum width of the different widths by a highest common factor of the different widths; the bias elements are arranged with an equal interval which is the highest common factor of the different widths; and among the bias elements, a bias element arranged outside of the width of a paper in use is configured not to apply a load to the thermal printhead to press the platen roller.Type: GrantFiled: February 9, 2011Date of Patent: May 7, 2013Assignees: Citizen Holdings Co., Ltd., Citizen Systems Japan Co., Ltd.Inventors: Gen Matsushima, Yasuyuki Mori, Katsutoshi Mukaijima
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Publication number: 20130106301Abstract: In some embodiments, a light source including a first electrode that includes a projection and a depression, a second electrode including a projection and a depression, an insulating layer disposed between the first electrode and the second electrode, and a light-emitting element straddling the insulating layer and disposed on the projection of the first electrode and on the projection of the second electrode. In other embodiments, a lighting device including a base that includes a first terminal and a second terminal that are configured to be electrically connected to the light source to supply current to the light-emitting element. In some embodiments, the lighting device is a lighting bulb, and in other embodiments, the lighting device is tube-shaped.Type: ApplicationFiled: November 2, 2012Publication date: May 2, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
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Patent number: 8432419Abstract: A liquid crystal light modulator 11 modulates a light according to an effective value of a supplied drive signal. A driving apparatus 21 changes the effective value of each frame of the drive signal supplied to the liquid crystal light modulator 11 according to modulation data. The driving apparatus 21 generates the drive signal containing plural pulses in each frame. The driving apparatus 21 supplies the generated drive signal to the liquid crystal light modulator 11, thereby enabling a high-frequency drive of the liquid crystal light modulator 11.Type: GrantFiled: April 16, 2010Date of Patent: April 30, 2013Assignee: Citizen Holdings Co., Ltd.Inventors: Masafumi Ide, Atsushi Shiraishi
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Publication number: 20130099276Abstract: An object of the invention is to provide an LED light source device and a manufacturing method for the same that can maintain high reflectance over an extended period of time notwithstanding the interaction between light and heat. More specifically, the invention provides an LED light source device that includes a substrate, an electrode formed on the substrate, a white inorganic resist layer deposited over the substrate so as to cover a surface thereof everywhere except where the electrode is formed, and an LED element connected to the electrode, wherein the white inorganic resist layer contains fine white inorganic particles dispersed or mixed into an inorganic binder, and a method for manufacturing such an LED light source device.Type: ApplicationFiled: July 1, 2011Publication date: April 25, 2013Applicants: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Mizue Fukushima, Kenji Imazu, Hiroshi Tsukada, Ryo Tamura
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Publication number: 20130098738Abstract: A product collection apparatus which provides a product conveyed by a conveyance belt to a rotary table to collect the product includes a conveyance belt to be rotated; a rotary table supported rotatably, linkage unit which links a driving force input unit for conveyance belt which receives driving force to rotate the conveyance belt and a driving force input unit for rotary table which receives driving force to rotate the rotary table, and an actuator which transfers the driving force to the conveyance belt and the rotary table through the linkage unit.Type: ApplicationFiled: September 27, 2012Publication date: April 25, 2013Applicants: CITIZEN MACHINERY MIYANO CO., LTD., CITIZEN HOLDINGS CO., LTD.Inventors: Takayuki SATO, Kiyoto Shinohara
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Patent number: 8425846Abstract: The catalytic combustion type gas sensor includes a sensing element, a heat conducting layer of which includes boron nitride. The boron nitride content is from 30 wt % to 100 wt % of a material (such as alumina) that would be a base material having the highest proportion in a conventional heat conducting layer without boron nitride. A catalyst layer of the sensing element also includes boron nitride. The boron nitride content is from 10 wt % to 80 wt % of a material (such as tin oxide) that would be a base material having the highest proportion in a conventional catalyst layer without boron nitride.Type: GrantFiled: March 29, 2005Date of Patent: April 23, 2013Assignee: Citizen Holdings Co., Ltd.Inventors: Ikuo Takahashi, Junji Satoh
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Publication number: 20130093313Abstract: A light-emitting device includes a phosphor plate including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the phosphor plate, a light-emitting element including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the light-emitting element. The lower surface of the phosphor plate includes a concave that is filled with an adhesive and the lower surface of the phosphor plate is disposed on the upper surface of the light-emitting element. The phosphor plate may contain a first phosphor, and the adhesive filled in the concave that is provided at the lower surface of the phosphor plate may include a second phosphor.Type: ApplicationFiled: October 15, 2012Publication date: April 18, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
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Publication number: 20130094333Abstract: A timepiece display plate, while obtaining reflection light having metal texture, allows partial light as a transmissive light to transmit to a solar cell and easily adapt to various types of dial plates. A timepiece display plate (150) for a timepiece (200) having a plate-like solar cell (130), includes a light transmissive dial plate (151) and a brightness improving film (brightness improving plate) separately disposed between the light transmissive dial plate (151) and the solar cell (130).Type: ApplicationFiled: June 23, 2011Publication date: April 18, 2013Applicants: CITIZEN HOLDINGS CO., LTD., YAMAMOTO MANUFACTURING CO., LTD., CITIZEN WATCH CO., LTD.Inventors: Nobuo Ito, Takayuki Waseda, Shinichi Sakamaki, Hiroshi Ikebuchi, Yutaka Sugihara, Shigeo Kaneko
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Patent number: 8419304Abstract: In speed control that is performed within a single operating cycle of a printer, three-level control of ON control, OFF control, and chopper control, is performed in place of the two-level control of ON control and OFF control, to effectively suppress speed variations due to load variations within a single operating cycle, even in small printers provided with DC motors having small output torques. In a printer comprising a DC motor 7, a paper feeding unit 5 that includes a paper feeding roller that uses the DC motor as the driving source, and a printing mechanism unit 2, for printing, in use of the printing mechanism unit 2, onto paper that is advanced by a specific amount by the paper feeding unit 5, an encoder 10 for outputting pulse signals according to the rotation of the DC motor 7 is provided.Type: GrantFiled: October 30, 2006Date of Patent: April 16, 2013Assignee: Citizen Holdings Co., Ltd.Inventors: Hiroyuki Tsugaru, Gen Matsushima
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Patent number: 8420414Abstract: A method of manufacturing a light-emitting device includes forming a planar board that includes a plurality of first metallic plates and a plurality of second metallic plates continuously connected by a resin, by use of a positioning frame including a plurality of first concave portions and a plurality of second concave portions, mounting a plurality of light-emitting diode elements on the planar board, and sealing the light-emitting diode elements collectively, thereby producing a plurality of light-emitting devices.Type: GrantFiled: April 13, 2011Date of Patent: April 16, 2013Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventors: Megumi Horiuchi, Shunichi Watanabe
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Publication number: 20130088159Abstract: A light-emitting device includes a mounting area that includes a first end and a second end opposite to the first end, a first electrode group disposed adjacent to the first end of the mounting area, a second electrode group disposed adjacent to the second end of the mounting area, a plurality of files each in that a plurality of light-emitting elements are arranged in the mounting area to extend from a vicinity of the first end of the light-emitting area to a vicinity of the second end of the mounting area and electrically connected in series with each other of the light-emitting elements in each file. Light-emitting elements included in two or more files can be a light-emitting block to be lighted together through electrodes of the first electrode group and the second electrode group.Type: ApplicationFiled: October 5, 2012Publication date: April 11, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
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Publication number: 20130076233Abstract: A light-emitting element according to an embodiment of the present invention includes a body including an upper surface, a lower surface opposite to the upper surface, and a peripheral side surface extending between peripheral edges of the upper surface and peripheral edges of the lower surface, the peripheral side surface including a front surface and a rear surface opposite to the front surface; a pair of element electrodes as a first element electrode and a second element electrode positioned at the rear surface of the body; and a support disposed at the rear surface of the body between the first element electrode and the second element electrode that are positioned at a lower area of the rear surface of the body.Type: ApplicationFiled: September 14, 2012Publication date: March 28, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventor: Takashi IINO
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Publication number: 20130069518Abstract: A light-emitting device includes a rectangular substrate, a through-holes that is in a shape of a quarter of circle provided in two corners or four corners of the substrate, a pair of electrodes provided along short sides of the substrate and electrically connected to the through-hole(s) that is adjacently disposed to each of the electrodes. Each of the through-holes is covered by a cover that is in a shape of a quarter of circle.Type: ApplicationFiled: September 21, 2012Publication date: March 21, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventors: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
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Publication number: 20130069525Abstract: A light-emitting device includes a light-emitting element with a pair of element electrodes as a first element electrode and a second element electrode positioned at the lower surface of the light-emitting element; a phosphor plate disposed on the upper surface of the light-emitting element; a first resin covering the lower surface and the peripheral side surface of the light-emitting element with the first element electrode and the second element electrode partly appearing from the first resin; and a second resin provided in the phosphor plate.Type: ApplicationFiled: September 12, 2012Publication date: March 21, 2013Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.Inventor: Sadato IMAI
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Patent number: 8400387Abstract: A scanning electrode driving circuit (32) and a signal electrode driving circuit (31) of a driving circuit (30) applies, to scanning electrodes of a liquid crystal panel with a memory effect (40), a scanning voltage (TPV) in a voltage waveform composed of 0V and three values which are positive or negative unipolar (VH, VD and VS), and also applies, to signal electrodes, a signal voltage (SGV) in a voltage waveform composed of 0V and three values having a same polarity as the scanning voltage. Further, image data is displayed at a pixel of the liquid crystal panel with a memory effect (40) during three scanning periods such as a correction period for correcting the alternation, a reset period for resetting the image, and a selection period for writing new image, and in the three scanning periods, the voltage to be applied between the scanning electrode and the signal electrode is made completely alternating.Type: GrantFiled: July 7, 2009Date of Patent: March 19, 2013Assignee: Citizen Holdings Co., Ltd.Inventor: Akira Suguro
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Patent number: 8395602Abstract: The present invention is directed to the provision of an FSC type color display device wherein the frame frequency is set within a range of 20 Hz to 59 Hz, and a portable electronic appliance incorporating such a display device. The color display device according to the present invention includes a plurality of light sources, which emit respectively different colors, and a light source controller for sequentially and selectively emitting of predetermined light source within the plurality of light sources, and repeating the sequential and selective emitting with a predetermined cycle, wherein a frequency of the predetermined cycle is set so that, when the color display device is held stationary, the colors emitted from the plurality of light sources are not visible as separate colors, but when the color display device is in motion, the colors emitted from the plurality of light sources are visible as separate colors.Type: GrantFiled: November 7, 2005Date of Patent: March 12, 2013Assignee: Citizen Holdings Co., Ltd.Inventors: Takashi Akiyama, Rintarou Takahashi
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Patent number: 8390760Abstract: A planar light-emitting device enabling reduction in the deflection of a sheet-shaped light-diffusing element includes a reflector having an upper surface serving as a light-reflecting surface, a partition provided on the reflector to extend upward to form a plurality of enclosed spaces over the upper surface of the reflector, light sources disposed in the enclosed spaces, respectively, and at least one sheet-shaped light-diffusing element supported on the upper edges of the partition to transmit and diffuse light from the light sources upward. The side surfaces of the partition that define the enclosed spaces are light-reflecting surfaces.Type: GrantFiled: December 3, 2009Date of Patent: March 5, 2013Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventors: Takeshi Ogihara, Daisaku Okuwaki, Makoto Yasuhara, Taku Kumasaka
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Publication number: 20130044489Abstract: An object of the present invention is to provide a laser light source that includes a laser element and an optical element that are optically coupled efficiently and directly. A laser light source includes, a laser element which has a ridge part and emits laser light from a light emission part, an optical element which has a waveguide for guiding the laser light that is incident on an incidence part; and a substrate for joining the laser element and the optical element close so as to be optically coupled directly, and, in this laser light source, the laser element and the optical element are joined to the substrate in a state in which a position of the incidence part is shifted a predetermined distance upward or downward with respect to a position of the light emission part.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Applicant: CITIZEN HOLDINGS CO., LTD.Inventor: Masafumi IDE
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Patent number: 8379166Abstract: A planar light-emitting device having a plurality of light units each including a light source and a lightguide member that guides light received from the light source through an end surface serving as a light-entrance surface disposed to face the light source and that emits the light from an upper surface and two mutually opposing side surfaces after changing the optical path of the light, and further has a reflecting member having a light-reflecting surface on which the light units are disposed. The lightguide member has an elongated shape. The light units are disposed in linear arrays each in which the light units are linearly disposed in series in the elongated direction of the lightguide member. The linear arrays extend in the elongated direction of the respective lightguide members. The linear arrays extend in parallel with each other and are spaced from each other in a width direction perpendicularly intersecting the elongated direction of the lightguide members.Type: GrantFiled: June 2, 2010Date of Patent: February 19, 2013Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.Inventor: Takashi Shimura
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Patent number: 8376670Abstract: A spindle head device (10) includes a spindle (12) and a tool retaining mechanism (16) detachably retaining a tool holder (14) on the spindle. The tool retaining mechanism includes a tool support member (52) having a receiving recess (50) detachably receiving the shank (46) of the tool holder, a tool clamp member (54) disposed to be displaceable with respect to the tool support member between an operative position and an inoperative position, and a mounting member (56) detachably mounting the tool support member and the tool clamp member to the spindle. The tool clamp member grips the shank of the tool holder and fixedly holds the shank to the receiving recess of the tool support member at an operative position, and, at an inoperative position, releases the shank to allow the tool holder to be attached or detached to or from the receiving recess.Type: GrantFiled: March 29, 2007Date of Patent: February 19, 2013Assignee: Citizen Holdings Co., Ltd.Inventor: Keizo Shinano