Patents by Inventor Takehiko Kiyohara
Takehiko Kiyohara 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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Patent number: 4819012Abstract: An ink-jet printer has a printing means for discharging ink from a discharge port so as to print on a recording medium, a cap means for closing the discharge port of the printing means, an absorbing means, inside the cap means, for absorbing ink leaked in the vicinity of the discharge port of the printing means, and a removing means for removing the ink absorbed by the absorbing means.Type: GrantFiled: June 6, 1984Date of Patent: April 4, 1989Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Koji Terasawa
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Patent number: 4785314Abstract: A liquid ejection recording apparatus has a carriage, a liquid ejection recording unit, a lever biased by a spring for mounting the unit on the carriage, and a communication hole portion formed in an ink tank in the unit. When the unit is fixed on the carriage for printing, a projection presses the communication hole portion to provide a communication hole for communicating the interior of the ink tank with the outer atmosphere. Stable ink ejection is guaranteed without clogging of a nozzle or the like and regardless of the amount of ink remaining in the ink tank.Type: GrantFiled: May 27, 1987Date of Patent: November 15, 1988Assignee: Canon Kabushiki KaishaInventors: Koji Terasawa, Akira Miyakawa, Takehiko Kiyohara
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Patent number: 4760409Abstract: An ink supply apparatus for an ink jet recording apparatus comprising an ink bag made of a flexible material and a plug member provided for leading out ink in the ink bag and attached to the ink bag in sealing manner to a hermetically sealed ink bag, a concaved hole being provided at the side of the plug member which is faced to the inside of the bag, a sealing surface of the plug member with respect to the bag being formed to be a boot-like shape, and a reinforcing portion being formed for bridging the inside of the concaved hole.Type: GrantFiled: July 29, 1987Date of Patent: July 26, 1988Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Hideo Fukazawa
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Patent number: 4729557Abstract: A sheet feed device applicable to a recorder such as an ink jet printer or a thermal printer has feed rollers mounted on the same shaft in a spaced relationship and platen blocks mounted in spaces between the feed rollers. A sheet fed along the feed rollers is conveyed to the platen blocks by a feed force of the feed rollers.Type: GrantFiled: July 2, 1987Date of Patent: March 8, 1988Assignee: Canon Kabushiki KaishaInventor: Takehiko Kiyohara
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Patent number: 4719475Abstract: An ink tank suitable for use in an ink-jet recording apparatus, comprises a closed ink bladder of a flexible material, the ink bladder being formed by assembling two double-folded sheets with each other or by folding a single sheet with the peripheral matched portions of the folded sheets or sheet adhered to each other, and the larger sheet or said single sheet includes a plug member sealingly attached thereto at a position adjacent to the folded portion of the larger sheet or adjacent to the corresponding portion of said single sheet, said plug member having an ink outlet port.Type: GrantFiled: April 1, 1986Date of Patent: January 12, 1988Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Hideo Fukazawa
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Patent number: 4712119Abstract: A recording apparatus in which a plurality of recording heads are mounted on a head mounting base fixed on a carriage movable along a paper sheet. The recording heads are individually mountable on the head mounting table, and individually adjustable in position. The right-to-left position of each head can be regulated by a head fixing member.Type: GrantFiled: November 13, 1985Date of Patent: December 8, 1987Assignee: Canon Kabushiki KaishaInventor: Takehiko Kiyohara
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Patent number: 4712172Abstract: In a recorder having a record head which discharges liquid to record dots and which has a discharge energy generating element arranged on a substrate, a liquid discharge port arranged for the discharge energy generating element and a liquid path for supplying the liquid to the liquid discharge path, non-discharge of the liquid in the recorder is prevented by energizing the discharge energy generating element in a non-discharge condition when the recorder is powered on and/or when a predetermined waiting time has elapsed.Type: GrantFiled: April 12, 1985Date of Patent: December 8, 1987Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Koji Terasawa, Akira Miyakawa
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Patent number: 4599625Abstract: An ink tank comprises a deformable ink bag for storing ink provided in a case, wherein a low strength portion is formed in a member constituting said case, and a lever for pressing said ink bag is formed by breaking said low strength portion. An ink-jet recording apparatus comprises a recording head unit having a discharging port for forming a flying droplet by discharging ink, and an ink tank for storing ink supplied to said recording head unit, wherein means for breaking a low strength portion of a case for said ink tank is provided to fixing means for fixing said ink tank in which a deformable ink bag for storing ink is provided in said case, said low strength portion is formed in a member constituting said case, and a lever for pressing said ink bag is formed by breaking said low strength portion.Type: GrantFiled: March 20, 1985Date of Patent: July 8, 1986Assignee: Canon Kabushiki KaishaInventors: Koji Terasawa, Akira Miyakawa, Takehiko Kiyohara
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Patent number: 4595936Abstract: A reading and recording apparatus uses the moving force of the recording/reading head, instead of a separate drive source such as a solenoid, to effect up and down movement of the head, and also maintains the head in a retracted position during a reading operation, thereby reducing the power consumed by the apparatus. The construction of the inventive apparatus is simplified by effecting movement of the head between recording and retracted positions in response to the movement accompanying the scanning of the head and the scanning position of the head.Type: GrantFiled: February 7, 1983Date of Patent: June 17, 1986Assignee: Canon Kabushiki KaishaInventors: Toshifumi Nakajima, Takehiko Kiyohara
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Patent number: 4351005Abstract: A recording apparatus including a beam generator for generating a beam modulated by a modulating signal supplied thereto; a deflector for deflecting the beam generated by the beam generator repeatedly in two directions; a recording member for receiving the beam deflected by the deflector and recording the trajectory of irradiation by the beam; a recording information storage for storing information to be recorded on the recording member; the recording information read from the information storage being supplied to the beam generator as the modulating signal; a beam detector provided in the deflecting area of the beam deflected by the deflector and adapted to release a beam detection signal upon detection of arrival of the deflected beam at the detector; and a signal forming device adapted for selecting either one of two consecutive beam detection signals released from the beam detector thereby forming a reference signal for instructing the initiation of the readout from the recording information storage.Type: GrantFiled: August 18, 1980Date of Patent: September 21, 1982Assignee: Canon Kabushiki KaishaInventors: Nobuhiro Imai, Kimio Kono, Kazuo Hoshito, Takehiko Kiyohara, Hideaki Sato
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Patent number: 4329012Abstract: A two-dimensional scanning device constructed with first deflector to deflect a collimated beam, second deflector to deflect an incident beam in the direction orthogonally intersecting the deflecting direction of the first deflector, a scanning lens interposed between the first and second deflectors, a scanning plane to focus a scanning beam from the scanning lens through the second deflector, and an expedient to obtain a distortion-free two-dimensional scanning pattern on the scanning plane by rotating the scanning plane around a rotational axis in the direction orthogonally intersecting the deflecting direction of the second deflector in synchronism with rotation of the second deflector.Type: GrantFiled: January 8, 1980Date of Patent: May 11, 1982Assignee: Canon Kabushiki KaishaInventors: Kazuo Minoura, Takehiko Kiyohara, Haruo Uchiyama
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Patent number: 4327959Abstract: A two-dimensional scanning device is provided with a two-dimensional deflector having a major scanning deflecting surface for two-dimensionally deflecting an incident light, the major deflection rotation axis of the deflector being determined so that the positional relation thereof with the deflecting surface is invariable, the minor deflection rotation axis of the deflector being determined orthogonally to an axis parallel to the major deflection rotation axis or orthogonally to the major deflection rotation axis, the deflector being for causing the incident light to be incident on the deflecting surface in parallelism to the minor deflection rotation axis or on the minor deflection rotation axis, and a scanning lens disposed between the two-dimensional deflector and a scanning surface, and a scanning lens for receiving the deflected light from the two-dimensional deflector and causing the scanning light to emerge toward the scanning surface.Type: GrantFiled: December 28, 1979Date of Patent: May 4, 1982Assignee: Canon Kabushiki KaishaInventors: Kazuo Minoura, Takehiko Kiyohara, Jun Saito
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Patent number: 4318582Abstract: A two-dimensional scanning apparatus is disclosed which includes first deflector for deflecting a collimated beam, second deflector for deflecting the incident beam in the direction orthogonal to the direction of deflection by the first deflector, a scanning lens disposed between the first and second deflector, a surface to be scanned on which an image of the scanning beam is formed through the second deflector and a device for moving the scanned surface in the direction orthogonal to the surface in synchronism with the rotational motion of the second deflector so as to obtain a two-dimensional, distortionless scanning pattern on the scanned surface.Type: GrantFiled: January 3, 1980Date of Patent: March 9, 1982Assignee: Canon Kabushiki KaishaInventors: Kazuo Minoura, Takehiko Kiyohara, Haruo Uchiyama
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Patent number: 4314154Abstract: A two-dimensional scanning device provided with a first deflector for deflecting a collimated beam, a second deflector for deflecting the incident beam in a direction orthogonal to the deflection direction of the first deflector, a scanning lens disposed between the first deflector and the second deflector, a scanning surface for imaging the scanning beam from said scanning lens through the second deflector, and a device for moving the scanning lens in the direction of its optic axis in synchronism with the rotation of the second deflector to thereby obtain a strain-free two dimensional scanning figure on the scanning surface.Type: GrantFiled: January 3, 1980Date of Patent: February 2, 1982Assignee: Canon Kabushiki KaishaInventors: Kazuo Minoura, Takehiko Kiyohara, Haruo Uchiyama
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Patent number: 4307408Abstract: This specification discloses a recording apparatus using coherent light which comprises coherent light generating means for generating coherent light, light modulating means into which the coherent light from the coherent light generating means enters, whereby when in ON state, the light modulating means emits the entering coherent light outwardly as zero-order light having a certain angle of emergence and when in OFF state, the light modulating means derives the entering coherent light as a primary light having another angle of emergence, the primary light being intercepted by an intercepting member so as not to be emitted outwardly, means for applying modulating signal to the light modulating means for controlling ON-OFF of the light modulating means, deflector means for deflecting the zero-order light emitted from the light modulating means, and a recording medium upon which the deflected zero-order light is thrown and which is sensitized by the zero-order light from the light modulating means when in ON sType: GrantFiled: March 14, 1979Date of Patent: December 22, 1981Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Kazuo Hoshito, Seishiro Yoshioka, Masanao Kasai, Naoto Kawamura, Hiroshi Hanada
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Patent number: 4295722Abstract: A flash unit triggering arrangement that cooperates with a shutter control mechanism or circuit of a camera for permitting the firing of a flash lamp of the flash unit in a time period during which the entire area of a film aperture of the camera remains unblocked to thereby avoid flash exposure of only a part of the film.Type: GrantFiled: December 17, 1979Date of Patent: October 20, 1981Assignee: Canon Kabushiki KaishaInventors: Uchiyama Takashi, Tokuichi Tsunekawa, Takehiko Kiyohara
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Patent number: 4268139Abstract: A flash unit triggering arrangement that cooperates with a shutter control mechanism or circuit of a camera for permitting the firing of a flash lamp of the flash unit in a time period during which the entire area of a film aperture of the camera remains unblocked to thereby avoid flash exposure of only a part of the film.Type: GrantFiled: February 9, 1979Date of Patent: May 19, 1981Assignee: Canon Kabushiki KaishaInventors: Takashi Uchiyama, Tokuichi Tsunekawa, Takehiko Kiyohara
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Patent number: 4171902Abstract: An optic axis adjusting mirror device used with a system in which a light beam such as a laser beam or the like is used and modulated by information signals and caused to scan a medium by a scanning optical system. The device includes an adjuster capable of freely adjusting the angle at which the mirror is mounted to vary the direction of reflection of the light beam as it impinges on the mirror, and detecting jigs for detecting the position of the light beam as it impinges on the mirror and for detecting whether or not the optic axis lies at a predetermined position. The device contributes to highly accurate beam scanning.Type: GrantFiled: February 7, 1977Date of Patent: October 23, 1979Assignee: Canon Kabushiki KaishaInventors: Nobuhiro Imai, Kazuhiro Hirayama, Junji Ichikawa, Takehiko Kiyohara, Katsumi Masaki
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Patent number: 4134652Abstract: In a finder optic system having the structure in which a tiltable mirror, in its reflecting position, reflects light entering through the camera objective upward onto a focusing screen where an image of the object to be photographed is formed and light from the image is radiated upward through the condenser lens and a pentaprism into an eyepiece, a light meter arrangement in accordance with an embodiment of the invention comprises a single photo-cell and a glass plate provided with an angular surface formed therein for acceptance of the photo-cell.Type: GrantFiled: January 21, 1977Date of Patent: January 16, 1979Assignee: Canon Kabushiki KaishaInventors: Takehiko Kiyohara, Youichi Okuno, Tokuichi Tunekawa, Teiji Hashimoto
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Patent number: D285211Type: GrantFiled: November 16, 1984Date of Patent: August 19, 1986Assignee: Canon Kabushiki KaishaInventors: Richard Nibley, Takehiko Kiyohara