Patents by Inventor Hiroo Ichihashi
Hiroo Ichihashi 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: 5661571Abstract: An image reading device for reading image information of an original with reading means, includes: original pressing means including a flexible sheet, a flexible member for pressing the flexible sheet, and means for pressing the flexible member.Type: GrantFiled: August 17, 1994Date of Patent: August 26, 1997Assignee: Canon Kabushiki KaishaInventors: Kazuya Ijuin, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Makoto Ogura, Osamu Hamamoto, Tetsuya Shimada
-
Patent number: 5621544Abstract: In an original image reading device of this invention, a reading unit for reading an image on an original, an original convey unit for conveying the original, and a drive force transmission unit for transmitting a drive force from an apparatus main body to the original convey unit are integrally arranged on single support unit, so that the device is attachable to and detachable from said apparatus main body.Type: GrantFiled: April 20, 1995Date of Patent: April 15, 1997Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
-
Patent number: 5526141Abstract: An original image reading device includes a first supporting device having an original platen roller, provided on a side of an original opposed to an image reading device, for conveying the original at a position deviated from an original reading position, and a non-cylindrical original contact device for urging the original toward the image reading device. The original contact device is provided at the original reading position on the side of the original opposed to the image reading device. A second supporting device includes the image reading device, which has a contact-type reading sensor. The image reading device reads image information of the original by receiving a light reflected from the original. The first supporting device and the second supporting device are combined at a fulcrum at an original exit side so as to relatively rotatable. The original platen roller is separated from the second supporting device upon relative rotation of the first and second supporting devices.Type: GrantFiled: February 28, 1994Date of Patent: June 11, 1996Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
-
Patent number: 5475504Abstract: In an original image reading device of this invention, a reading unit for reading an image on an original, an original convey unit for conveying the original, and a drive force transmission unit for transmitting a drive force from an apparatus main body to the original convey unit are integrally arranged on single support unit, so that the device is attachable to and detachable from the apparatus main body.Type: GrantFiled: June 29, 1993Date of Patent: December 12, 1995Assignee: Canon Kabushiki KaishaInventors: Makoto Ogura, Hiroo Ichihashi, Katsumi Komiyama, Yoshikazu Sano, Osamu Hamamoto, Tetsuya Shimada
-
Patent number: 5261013Abstract: A photoelectric converter includes a transparent substrate having a photoelectric converting element provided on a surface opposing a document relating to reading of image information, a transparent support for supporting the substrate, and a light source provided on a surface of the support opposite to a supporting surface for the substrate. Light emitted from the light source is radiated on a document through the support and the substrate, and reflected light is received by the photoelectric converting element.Type: GrantFiled: March 3, 1992Date of Patent: November 9, 1993Assignee: Canon Kabushiki KaishaInventors: Masayoshi Murata, Katsumi Komiyama, Tatsundo Kawai, Makoto Ogura, Hiroo Ichihashi, Osamu Hamamoto
-
Patent number: 5245360Abstract: An ink jet recorder comprises a first tank as an ink supply source, a second tank as an ink supply source for the first tank, and three switching means and a pump arranged in an ink supply path. By controlling open/close states of the switching means and operation condition of the pump, print mode, supply mode, pressure mode, circulation mode or store mode can be selectively established.Type: GrantFiled: March 15, 1991Date of Patent: September 14, 1993Assignee: Canon Kabushiki KaishaInventors: Ryuichi Ebinuma, Yoshifumi Hattori, Hiroo Ichihashi
-
Patent number: 5187595Abstract: Apparatus for improving illumination in a photoelectric conversion device having a light source for illuminating an original, and at least one photoelectric conversion element for receiving light reflected from the original includes a light guide for guiding light from the light source to the original, the light guide having at least one side surface. A correction section is provided and is disposed adjacent the side surface of the light guide. The correction section acts to suppress total reflection of at least a portion of the light emitted from the light source. Preferably, the correction section comprises regularly spaced light absorbing or light diffusing elements formed on the side of the light guide. The improvement apparatus may be employed in an information processing apparatus such as a facsimile machine.Type: GrantFiled: November 21, 1990Date of Patent: February 16, 1993Assignee: Canon Kabushiki KaishaInventors: Masashi Kitani, Tatsundo Kawai, Hiroo Ichihashi
-
Patent number: 5121225Abstract: A photoelectric converter includes a transparent substrate having a photoelectric converting element provided on a surface opposing a document relating to reading of image information, a transparent support for supporting the substrate, and a light source provided on a surface of the support opposite to a supporting surface for the substrate. Light emitted from the light source is radiated on a document through the support and the substrate, and reflected light is received by the photoelectric converting element.Type: GrantFiled: February 20, 1990Date of Patent: June 9, 1992Assignee: Canon Kabushiki KaishaInventors: Masayoshi Murata, Katsumi Komiyama, Tatsundo Kawai, Makoto Ogura, Hiroo Ichihashi, Osamu Hamamoto
-
Patent number: 5091737Abstract: A recording device comprises a plural number of ink jet device units, each unit comprising an ink jet head portion, its drive controlling portion and a wiring portion, juxtaposed on a common base plate.Type: GrantFiled: June 13, 1989Date of Patent: February 25, 1992Assignee: Canon Kabushiki KaishaInventors: Shigeo Toganoh, Yohji Matsufuji, Hiroo Ichihashi
-
Patent number: 5008688Abstract: An ink jet recorder comprises a first tank as an ink supply source, a second tank as an ink supply source for the first tank, and three switching means and a pump arranged in an ink supply path. By controlling the open/close states of the switching means and operation condition of the pump, a print mode, supply mode, pressure mode, circulation mode or store mode can be selectively established.Type: GrantFiled: May 15, 1989Date of Patent: April 16, 1991Assignee: Canon Kabushiki KaishaInventors: Ryuichi Ebinuma, Yoshifumi Hattori, Hiroo Ichihashi
-
Patent number: 4996606Abstract: An image reading apparatus comprises a light emitting device for illuminating an original including information to be read; image sensor for inputting an optical information and converting it into an electric signal; and wherein the light emitting device has a xeron glow lamp and a light source which can illuminate a vicinity of a main electrode of the glow lamp.Type: GrantFiled: November 14, 1988Date of Patent: February 26, 1991Assignee: Canon Kabushiki KaishaInventors: Tatsundo Kawai, Makoto Ogura, Koji Tomoda, Hiroo Ichihashi, Shinichi Seitoh, Yasuo Kuroda, Hiroyuki Noguchi
-
Patent number: 4935637Abstract: A linear element array with n functional elements disposed one-dimensionally is constructed of a linear element array section having N blocks each having m functional elements, and a wiring section having m electrical wirings disposed side by side; wherein each of the functional elements is connected to a corresponding one of the electrical wirings by means of wire bonding.Type: GrantFiled: August 10, 1989Date of Patent: June 19, 1990Assignee: Canon Kabushiki KaishaInventors: Noriyuki Kaifu, Hiroo Ichihashi, Katsumi Komiyama, Masayoshi Murata, Satoshi Itabashi, Katsunori Terada, Hiromi Kodama, Hideyuki Suzuki, Kenji Morimoto, Tetsuya Shimada
-
Patent number: 4748459Abstract: A capping device for an ink jet recorder is provided with a support frame of substantially L-shaped cross-section contained in a frame and supporting an ink absorbing member inside thereof, and a throttle plate in contact with the underside of the absorbing member and disposed substantially parallel to the support frame, the capping device being so disposed that the rear end edge of the throttle plate opposite to a recording head is situated vertically below the side edge surface of the recording head. The specification also discloses an ink jet recording apparatus having such capping device. (FIGS. 1 and 6-8). A flow path for directing liquid squeezed from the absorbing member has upper and lower stages, the upper stage having a sufficiently large diameter that a liquid meniscus does not form and the lower stage having a small diameter that permits a meniscus to form. (FIGS. 9 and 10).Type: GrantFiled: July 21, 1986Date of Patent: May 31, 1988Assignee: Canon Kabushiki KaishaInventors: Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma, Atsushi Saito
-
Patent number: 4737801Abstract: An ink jet recording apparatus has a recording head for discharging ink and effecting recording, a recording flow path communicating the recording head with one end of a first ink tank, a pump side flow path communicating the first ink tank with the recording head through a pump and, together with the recording flow path, constituting an ink circulation path through the head and the first ink tank, and a secnd ink tank for supplying ink to the first ink tank. Normally open electrical opening-closing means (FIG. 11) are provided in the recording flow path and in a tube for opening the first ink tank to atmosphere. Another normally open electrical opening-closing means and a check valve permitting the passage of ink from the pump only to the recording head, this latter opening-closing means and the check valve being interposed in series in the pump side flow path between the pump and the recording head. The apparatus also may include an overflow sensor (FIGS.Type: GrantFiled: July 18, 1986Date of Patent: April 12, 1988Assignee: Canon Kabushiki KaishaInventors: Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma, Atsushi Saito
-
Patent number: 4704620Abstract: A temperature control system for an ink jet printer has a plurality of head units each having a heater and a temperature sensor, and a fan for cooling the plurality of head units in which the fan has a heat transfer coefficient represented by a gradient of a first line connecting a maximum heat generated by heads corresponding to a sum of heat generated by the head units and heat generated by said heaters and a maximum operable temperature of said printer, and said heaters each has a heat transfer coefficient represented by a gradient of a second line connecting said maximum heat generated by the heads and a minimum operable temperature of the printer.Type: GrantFiled: August 28, 1986Date of Patent: November 3, 1987Assignee: Canon Kabushiki KaishaInventors: Hiroo Ichihashi, Masakazu Ozawa, Atsushi Saito, Ryuichi Ebinuma
-
Patent number: 4695855Abstract: An ink jet recorder has a head assembly removably mounted on a recorder body, said head assembly having a plurality of head elements each including a plurality of nozzles arranged widthwise of a record sheet, and a removable cover for covering front sides of said head elements, comprising a connector for electrical connection with the recorder body removably mounted on the head assembly by a lever, and a knob mounted on the cover to mechanically engage or disengage the head assembly with or from the recorder body, the cover being constructed such that it cannot be mounted unless the lever is in a position to disconnect the connector.Type: GrantFiled: August 29, 1986Date of Patent: September 22, 1987Assignee: Canon Kabushiki KaishaInventors: Hiroo Ichihashi, Masakazu Ozawa, Ryuichi Ebinuma, Atsushi Saito
-
Patent number: 4694307Abstract: A recording device comprises a plurality of ink-jet recording units arranged separately from each other and an ink reservoir to supply an ink commonly to the recording units.Type: GrantFiled: June 9, 1986Date of Patent: September 15, 1987Assignee: Canon Kabushiki KaishaInventors: Shigeo Toganoh, Yohji Matsufuji, Hiroo Ichihashi
-
Patent number: 4680696Abstract: An ink jet recorder comprises a first tank as an ink supply source, a second tank as an ink supply source for the first tank, and three switching means and a pump arranged in an ink supply path. By controlling the open/close states of the switching means and operation condition of the pump, a print mode, supply mode, pressure mode, circulation mode or store mode can be selectively established.Type: GrantFiled: September 29, 1986Date of Patent: July 14, 1987Assignee: Canon Kabushiki KaishaInventors: Ryuichi Ebinuma, Yoshifumi Hattori, Hiroo Ichihashi
-
Patent number: 4658272Abstract: An ink-supplying device for feeding ink to a plurality of ink-jetting heads comprises an ink reservoir common to all the heads and ink-feeding means disposed parallel in the reservoir.Type: GrantFiled: December 12, 1984Date of Patent: April 14, 1987Assignee: Canon Kabushiki KaishaInventors: Shigeo Toganoh, Yohji Matsufuji, Hiroo Ichihashi
-
Patent number: 4623905Abstract: A liquid supply apparatus is characterized by the provision of pumping means for supplied liquid interposed between a liquid supply portion and a portion to be supplied with liquid, a first valve mechanism having a small resistance in a forward direction, and a second valve mechanism having a high checking characteristic.Type: GrantFiled: December 9, 1983Date of Patent: November 18, 1986Assignee: Canon Kabushiki KaishaInventors: Hiroo Ichihashi, Shigeo Toganoh, Yohji Matsufuji