Patents by Inventor Minoru Yokoyama

Minoru Yokoyama 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: 5966669
    Abstract: A communication apparatus includes contacts for exchanging various data between a FAX terminal and a radio terminal having a display function to connect the FAX terminal and the radio terminal to cause the FAX terminal and the radio terminal to exchange necessary data therebetween, wherein display data is transferred from the FAX terminal to the radio terminal having the display function and is displayed on the radio terminal.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: October 12, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshio Kenmochi, Minoru Yokoyama, Yosuke Ezumi, Masakatsu Yamada, Hisashi Toyoda, Hideyuki Terashima, Takeshi Tsukamoto
  • Patent number: 5936654
    Abstract: An ink sheet reel capable,of being loaded into a recording apparatus has an ink sheet winding portion on which an ink sheet can be wound, and power transmission means provided so as to create an axial thrust in the ink sheet winding portion.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: August 10, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Minoru Yokoyama, Takashi Awai, Yasushi Ishida, Akihiro Tomoda, Masakatsu Yamada
  • Patent number: 5920743
    Abstract: A sheet feeding apparatus includes a guiding path for guiding a sheet, a detector for detecting the presence/absence of the sheet in the guiding path, a power-supply switch for turning on and off a power supply, and a determination device for determination whether the sheet comprises a rolled sheet or a cut sheet according to whether the detector detects or does not detect the sheet, respectively, when the power-supply switch has been turned on. A rolled sheet holder for holding the rolled sheet and covering an insertion port for leading the cut sheet or the rolled sheet to a feeding device.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: July 6, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masakatsu Yamada, Minoru Yokoyama, Takeshi Kohno
  • Patent number: 5903365
    Abstract: A sheet conveying apparatus and an original reading apparatus according to the present invention can reduce a load of a drive system for rotating a convey rotary member and can be made compact. The apparatus includes an original convey roller rotatably supported by a frame, and a contact sensor holder rockably held by a contact sensor rotation shaft regulated in a thickness-wise direction of an original by a contact sensor holder rotation shaft holding portion of the frame and adapted to hold a second contact sensor in a confronting relation to the original convey roller. The second contact sensor is urged against the original convey roller by an urging spring.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: May 11, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naohiro Iwata, Minoru Yokoyama, Yuji Nakano, Shunji Kawashima, Hideyuki Terashima
  • Patent number: 5825505
    Abstract: An image communication apparatus includes a reader for reading an original image, a communication unit including an NCU for transmitting and receiving image data through a subscriber line, a recorder for recording the image read by the reader and the image data received by the communication unit on recording paper, a CPU for controlling an overall operation of the image communication apparatus, and contacts for connecting a detachable auxiliary or external device so that the CPU has an auxiliary function of the image communication apparatus.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: October 20, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hisashi Toyoda, Minoru Yokoyama, Toshio Kenmochi, Yosuke Ezumi, Masakatsu Yamada
  • Patent number: 5798789
    Abstract: Thermal transfer recording apparatus for recording image on the recording medium by transferring ink of the ink sheet on the recording medium characterized by being provided with the ink sheet conveying means, the recording medium conveying means, recording means to record the image on the recording medium by being driven in accordance with the image data and working on the ink sheet and control means to drive the recording means with the energy smaller than that used at the time of ordinary recording utilizing the inverted data of the image data used in the preceding recording, the apparatus providing such advantage as the improvement of image quality, saving of consumption of ink sheet and saving of running cost, etc.
    Type: Grant
    Filed: October 12, 1994
    Date of Patent: August 25, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Ono, Takehiro Yoshida, Makoto Kobayashi, Tomoyuki Takeda, Satoshi Wada, Minoru Yokoyama, Takashi Awai, Yasushi Ishida, Akihiro Tomoda, Masakatsu Yamada
  • Patent number: 5786842
    Abstract: In a thermal transfer recording apparatus, an image is recorded on a recording medium by transferring ink from an ink sheet. The apparatus includes a holder for the ink sheet, conveyors for the ink sheet and recording medium, and an ink sheet detector. When the detector determines that the ink sheet is loaded into the holder, the ink sheet is conveyed so as to take up the slack in the ink sheet until the ink sheet reaches a predetermined speed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 28, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Awai, Minoru Yokoyama, Yasushi Ishida, Akihiro Tomoda, Masakatsu Yamada, Takehiro Yoshida, Makoto Kobayashi, Satoshi Wada, Takeshi Ono, Tomoyuki Takeda
  • Patent number: 5749570
    Abstract: The present invention provides a sheet conveying apparatus comprising a first rotary member for conveying a sheet, and a second rotary member disposed at a downstream side of the first rotary member in a sheet conveying direction and adapted to convey the sheet. It further comprises a first mode in which the first rotary member is rotated and the second rotary member is stopped, and a second mode in which the first and second rotary members are rotated. In a condition that the first rotary member is continuously rotated in one direction, the first mode is changed to the second mode.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: May 12, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naohiro Iwata, Minoru Yokoyama, Yuji Nakano, Shunji Kawashima, Hideyuki Terashima
  • Patent number: 5741080
    Abstract: A recording apparatus for recording onto a recording medium comprises a loading section for loading rockably an ink sheet cartridge having an ink sheet containing ink, a first winding member for winding said ink sheet, a second winding member for winding said ink sheet, and a frame body for holding the first winding member and the second winding member rockably, with the loading section loading the ink sheet cartridge detachably, a positioning device for positioning the first winding member and the second winding member, and a recording head for recording onto the recording medium by acting on the ink sheet.
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: April 21, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiro Tomoda, Yasushi Ishida, Takashi Awai, Minoru Yokoyama, Masakatsu Yamada
  • Patent number: 5706101
    Abstract: A compact facsimile apparatus has at least a minimum function required for a facsimile apparatus. The apparatus is used in either a connected state or a non-connected state with respect to a functional expansion unit including a functional expansion section for expanding the function or adding another function, a power supply section for supplying power to the compact facsimile apparatus, and a set portion serving as a mounting base for the compact facsimile apparatus. The used state of the facsimile apparatus can be properly set to be used either as a small, lightweight, compact facsimile apparatus or as a stationary type compact facsimile apparatus.
    Type: Grant
    Filed: January 11, 1993
    Date of Patent: January 6, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Minoru Yokoyama, Toshio Kenmochi, Yosuke Ezumi, Masakatsu Yamada, Hisashi Toyoda, Hideyuki Terashima
  • Patent number: 5701547
    Abstract: A sheet feeding apparatus includes a guiding path for guiding a sheet, a detector for detecting the presence/absence of the sheet in the guiding path, a power-supply switch for turning on and off a power supply, and a determination device for determining whether the sheet comprises a rolled sheet or a cut sheet according to whether the detector detects or does not detect the sheet, respectively, when the power-supply switch has been turned on.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: December 23, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masakatsu Yamada, Minoru Yokoyama, Takeshi Kohno
  • Patent number: 5696547
    Abstract: A thermal transfer recording apparatus for image recording on a recording medium by transferring the ink of an ink sheet onto said recording medium, comprises ink sheet transport means for transporting said ink sheet, recording medium transport means for transporting said recording medium, recording means for effecting said ink sheet thereby recording an image on said recording medium, timer means for measuring time after image recording by said recording means, heat generation means for driving said recording means to effect heat generation with same data as in the preceding image recording prior to a next recording operation when a predetermined time is measured by said timer means, and control means adapted, when a time exceeding said predetermined time is measured by said timer means, to control the energy for driving said recording means prior to the next recording operation according to the time measured by said timer means.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: December 9, 1997
    Assignee: Canon Kabushiki Kaishi
    Inventors: Tomoyuki Takeda, Takehiro Yoshida, Takeshi Ono, Makoto Kobayashi, Satoshi Wada, Yasushi Ishida, Minoru Yokoyama, Akihiro Tomoda, Masakatsu Yamada, Takashi Awai
  • Patent number: 5623299
    Abstract: In a thermal transfer recording apparatus, a recording medium of a continuous web form and an ink sheet are transported with respect to each other. During image recording, the amounts by which the recording medium and ink sheet are transported satisfy a first relationship. After image recording, the recording medium is transported for cutting, and the recording medium and ink sheet are each transported by predetermined amounts which satisfy another relationship different from the first.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: April 22, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takehiro Yoshida, Takeshi Ono, Satoshi Wada, Tomoyuki Takeda, Masaya Kondo, Makoto Kobayashi, Takahiro Kato, Takashi Awai, Yasushi Ishida, Akihiro Tomoda, Minoru Yokoyama, Masakatsu Yamada
  • Patent number: 5587733
    Abstract: A heat transfer recording apparatus for recording an image on a recording medium by transferring an ink possessed by an ink sheet to the transfer medium comprises conveying means for conveying the ink sheet and the recording medium, recording means for recording an image on the recording medium, and control means for controlling the recording means after an image has been recorded by the recording means so as to record the image over again by using the same data after the ink sheet has been conveyed while the recording medium being stopped.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: December 24, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Ono, Takehiro Yoshida, Makoto Kobayashi, Satoshi Wada, Hisao Terajima, Minoru Yokoyama, Takashi Awai, Akihiro Tomoda, Yasushi Ishida
  • Patent number: 5579129
    Abstract: The present invention provides an original reading apparatus including a pre-scan mode for reading a color reference member before an original is read, a registration mode for aligning a tip end of the original before the original is read, and a reading mode for conveying and reading the original. The reading apparatus further comprises first and second rotary member to perform the above three modes, and these modes are effected by selectively rotating the first and second rotary members in a normal direction and/or reverse direction and selectively stopping the first or second rotary member.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: November 26, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naohiro Iwata, Minoru Yokoyama, Yuji Nakano, Hideyuki Terashima
  • Patent number: 5579042
    Abstract: In a thermal transfer recording apparatus, an image is recorded on a recording medium by transferring ink of an ink sheet. The ink sheet is wound onto a wind-up roll from a feed roll against an applied load. During the recording process the ink sheet and recording medium are conveyed in opposite directions. After recording of one page is completed, the recording medium is advanced, cut, and then retracted. During retraction of the recording medium, the ink sheet is conveyed by friction with the recording medium in a direction opposed to the load.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 26, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yasushi Ishida, Minoru Yokoyama, Akihiro Tomoda, Masakatsu Yamada, Takashi Awai, Takehiro Yoshida, Makoto Kobayashi, Satoshi Wada, Takeshi Ono, Tomoyuki Takeda
  • Patent number: 5576751
    Abstract: In a thermal transfer recording apparatus, an ink sheet and a recording medium are conveyed relative to each other, and an image is recorded by transferring ink from the ink sheet onto the recording medium. The apparatus includes a detector which detects whether the recording is continuous or intermittent, and a controller which changes the amount by which the ink sheet is conveyed in accordance with the detected result.
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: November 19, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Wada, Takehiro Yoshida, Takeshi Ono, Tomoyuki Takeda, Masaya Kondo, Makoto Kobayashi, Takahiro Kato, Takashi Awai, Yasushi Ishida, Akihiro Tomoda, Minoru Yokoyama, Masakatsu Yamada
  • Patent number: 5539439
    Abstract: There is disclosed a thermal transfer recording apparatus for recording an image by ink transfer from an ink sheet to a recording sheet, capable, in conveyance of either sheet only, of preventing the other sheet, from being drawn therewith by increasing the holding force for retaining the other sheet in the stopped state at conveyance of the first-mentioned sheet.
    Type: Grant
    Filed: March 20, 1995
    Date of Patent: July 23, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Ono, Takehiro Yoshida, Makoto Kobayashi, Satoshi Wada, Hisao Terajima, Minoru Yokoyama, Takashi Awai, Akihiro Tomoda, Yasushi Ishida
  • Patent number: 5536093
    Abstract: An ink sheet cartridge mountable onto a recording apparatus comprises a supply reel around which an ink sheet is wound, a take-up reel for winding the ink sheet supplied from the supply reel, and a frame body for holding the supply reel and the take-up reel, wherein the strength of the take-up reel is made greater than that of the supply reel.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: July 16, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiro Tomoda, Yasushi Ishida, Takashi Awai, Minoru Yokoyama, Masakatsu Yamada, Takehiro Yoshida, Makoto Kobayashi, Tomoyuki Takeda, Takeshi Ono, Masaya Kondo
  • Patent number: 5534908
    Abstract: In a thermal transfer recording apparatus, an ink sheet and a recording medium are separately conveyed, an image is recorded on the recording medium, and the recording mode is discriminated. The conveyance amounts of the ink sheet and recording medium are controlled in accordance with the recording mode so that the density of the recorded image is maintained constant.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: July 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomoyuki Takeda, Takehiro Yoshida, Takeshi Ono, Satoshi Wada, Masaya Kondo, Makoto Kobayashi, Takahiro Kato, Minoru Yokoyama, Akihiro Tomoda, Yasushi Ishida, Takashi Awai, Masakatsu Yamada