Patents by Inventor Yuji Sakaegi
Yuji Sakaegi 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: 6128040Abstract: An electronic apparatus capable of using power sources of different kinds each having a different characteristic is provided with an apparatus for controlling the operating mode of the electronic apparatus on the basis of the discrimination result provided by a discriminating switch, the discriminating switch being provided for discriminating the kind of a power source by means of the configuration of the electrodes of the power source. The electrodes of each kind of power sources is formed to have a different configuration. A recording or reproducing apparatus is also disclosed which controls the execution or non-execution of erasing operation in accordance with the result of discrimination of the kinds of power sources.Type: GrantFiled: September 17, 1998Date of Patent: October 3, 2000Assignee: Canon Kabushiki KaishaInventors: Kenichi Shinbori, Masaya Maeda, Yuji Sakaegi
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Patent number: 6052510Abstract: A recorder is disclosed, in which recording is effected while retrieving non-recorded blocks of a disk-like recording medium, and which is provided with means for such control that when no non-recorded block is detected in a predetermined direction as a result of check performed in response to an instruction of changing block, with which to effect recording, in the afore-said predetermined direction, previously accessed non-recorded blocks are accessed againType: GrantFiled: June 7, 1995Date of Patent: April 18, 2000Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Shigeo Yamagata
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Patent number: 6040856Abstract: An electronic camera includes an image pickup device for receiving an image and outputting an image signal corresponding thereto. A connector is provided for receiving a control program from an external source. A memory is provided for permanently storing a built-in control program, and for temporarily storing the external source control program. A selection device is provided for designating one of the stored built-in control program and the external source control program. Signal processing circuitry is provided for processing the image signal output from the image signal pickup means in accordance with the control program designated by the selection means. Preferably, the built-in control program is a photography program, and the external source control program is a character recognition control program. Accordingly, the electronic camera is capable of performing both photography and character recognition functions.Type: GrantFiled: October 18, 1996Date of Patent: March 21, 2000Assignee: Canon Kabushiki KaishaInventor: Yuji Sakaegi
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Patent number: 6009232Abstract: A desired combination of reproduced images can be easily obtained in a multi-reproduction mode. When a ten-key input is made and a four-picture display mode is selected, a reproduced image from a ten-key input track is displayed on a small frame where a cursor is located. When a four-picture display key is depressed in a full-screen display mode, four images starting from the full-screen displayed image are simultaneously displayed. When the four-picture display key is continuously operated, four following images including the displayed lower right-hand image are simultaneously displayed.Type: GrantFiled: September 2, 1997Date of Patent: December 28, 1999Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Nobuyuki Suzuki, Yoshinobu Sato
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Patent number: 5831945Abstract: A recording or reproducing apparatus capable of using power sources of different kinds, each having a different characteristic, is provided with a discriminating switch for discriminating the kind of the power source by means of the configuration of the electrodes of the power source and producing a discrimination result. The electrodes of each kind of power source are formed to have a different configuration. The execution or non-execution of an erasing operation is controlled in accordance with the discrimination result. In addition, an auto-shut-off circuit automatically shuts off the operation of the power source if an inoperative state continues for a predetermined time period, and the predetermined time period is set in accordance with the discrimination result.Type: GrantFiled: October 16, 1992Date of Patent: November 3, 1998Assignee: Canon Kabushiki KaishaInventors: Kenichi Shinbori, Masaya Maeda, Yuji Sakaegi
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Patent number: 5825511Abstract: An image pickup device having a solid-state image pickup element, and a memory for storing a signal read from said solid-state image pickup element, in which there are provided first and second clock pulse generation circuits for generating the clock pulse having respective predetermined frequencies, and a switch circuit for switching the clock pulse depending on whether said solid-state image pickup element is operating or not, is characterized in that when said solid-state image pickup element is operating, the processing pulse for each portion is generated based on the clock pulse generated in either one of said first and second clock pulse generation circuits, and when said solid-state image pickup element is not operating, the processing pulse for each portion is generated based on the clock pulse generated in the other clock pulse generation circuit.Type: GrantFiled: November 3, 1994Date of Patent: October 20, 1998Assignee: Canon Kabushiki KaishaInventors: Masashi Hori, Yuji Sakaegi, Saburo Nakazato, Izuru Horiuchi
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Patent number: 5808678Abstract: A small-sized and cost-saving position designating apparatus without specific operation device. As an area designation SW 21 is pressed, a cursor mark 203 is displayed in the finder image on an electronic view finder 19. A motion detecting unit 6 detects the motion of an object in the finder image by moving the camera while pressing the area designation SW 21. The cursor 203 moves with the image based on the detected motion information, and a circle 202 is displayed. As the area designation SW 21 is released and the angle of the camera is returned to the initial angle, the area surrounded by the circle 202 or point is designated. Within this point or area, light, color and focal length are measured.Type: GrantFiled: November 14, 1996Date of Patent: September 15, 1998Assignee: Canon Kabushiki KaishaInventor: Yuji Sakaegi
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Patent number: 5535011Abstract: A recording and/or reproducing apparatus includes an optical system arranged to form an optical image, a photo-electric conversion part arranged to convert the optical imaged into an electrical signal, an A/D conversion circuit arranged to convert the electrical signal and/or an audio signal into a digital signal, a connector arranged to permit mounting and demounting a recording medium on which the digital signal obtained from the A/D conversion circuit is to be recorded, and a signal processing part for processing and converting the digital signal. The signal processing part is arranged to be mountable and demountable on and from the apparatus.Type: GrantFiled: March 18, 1994Date of Patent: July 9, 1996Assignee: Canon Kabushiki KaishaInventors: Taku Yamagami, Masao Suzuki, Yuji Sakaegi
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Patent number: 5517243Abstract: An image sensing apparatus is provided with a solid-state image sensor which is capable of sweeping out electric charges therefrom, a mechanical shutter and a control circuit for controlling the time period from the time point at which the electric charges of the solid-state image sensor are swept out when the mechanical shutter is in its open state to the time point at which the mechanical shutter is closed.Type: GrantFiled: March 3, 1994Date of Patent: May 14, 1996Assignee: Canon Kabushiki KaishaInventors: Toshihiko Kudo, Takao Kinoshita, Yuji Sakaegi, Makoto Kondo
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Patent number: 5508813Abstract: An image signal processing apparatus for processing an image signal composed of a luminance signal and a chrominance signal is provided with a first-in first-out memory which is capable of storing the image signal for one field. The apparatus is arranged such that, in writing or reading the image signal into or from the first-in first-out memory, the image signal writing and reading actions on the first-in first-out memory are reset at intervals of a horizontal scanning period of the image signal. This arrangement enables the apparatus to carry out various signal processing actions by delaying the image signal without using any delay element exclusively for the process of delaying the image signal which is necessary for the various signal processing actions.Type: GrantFiled: June 19, 1995Date of Patent: April 16, 1996Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Eiji Ohara
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Patent number: 5504534Abstract: A video signal processing apparatus for processing a video signal having: a memory circuit for receiving a video signal and storing received video signal; a synchronization signal separation circuit for separating a synchronization signal included by the received video signal, and transmitting the synchronization signal; a first counter for transmitting count data by performing a counting operation in synchonization with the synchronization signal transmitted from the synchronization signal separation circuit or by spontaneously performing the counting operation; a second counter for transmitting count data by spontaneously performing the counting operation; a memory control circuit for controlling writing or reading of the video signal to and from the memory circuit in accordance with the count data transmitted from the first counter; a first decoder for resetting the second counter in accordance with a value denoted by the count data transmitted from the first counter; and a second decoder for resetting theType: GrantFiled: July 17, 1992Date of Patent: April 2, 1996Assignee: Canon Kabushiki KaishaInventor: Yuji Sakaegi
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Patent number: 5500743Abstract: A reproduction apparatus includes a reproduction device for simultaneously displaying a plurality of still images reproduced from a medium, a mode selector for selecting one of a following multi-reproduction mode and a preceding multi-reproduction mode, and a controller for controlling the reproduction device. When the following multi-reproduction mode is selected, a predetermined number of images following a selected single image are multi-reproduced, and when the preceding multi-reproduction mode is selected, a predetermined number of images preceding the selected single image are multi-reproduced. In addition, whether the predetermined number of images preceding the selected single image mode or the predetermined number of images following the selected single image mode is selected, an image different from the selected single image is included.Type: GrantFiled: February 6, 1995Date of Patent: March 19, 1996Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Nobuyuki Suzuki, Yoshinobu Sato
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Patent number: 5471243Abstract: In an electronic still camera including an image pickup element having color filters which are changed at one-pixel periods in a vertical direction, and the memory outputs from the image pickup elements are temporarily stored in a memory and are read out again to obtain frame data.Type: GrantFiled: June 15, 1994Date of Patent: November 28, 1995Assignee: Canon Kabushiki KaishaInventors: Masao Suzuki, Kazuyuki Matoba, Yuji Sakaegi, Takashi Sasaki
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Patent number: 5469218Abstract: An image signal processing device according to this invention is a device for processing an image signal. The device is arranged to input digital data corresponding to two kinds of color-difference signals in synchronism with a clock signal corresponding to a data rate of the digital data, reconstruct the inputted digital data corresponding to the two kinds of color-difference signals into digital data synchronized with a clock signal having a frequency which is an integer multiple of a color subcarrier frequency, and form digital data corresponding to a chrominance signal by using the reconstructed digital data corresponding to the two kinds of color-difference signals. Accordingly, it is possible to stably encode the two kinds of color-difference signals into the carrier chrominance signal by means of a simple construction without degrading the color-difference signals.Type: GrantFiled: July 20, 1992Date of Patent: November 21, 1995Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Eiji Ohara
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Patent number: 5426536Abstract: A synchronizing signal generating device of the invention is a device for generating a plurality of kinds of synchronizing signals conformed to two different systems from each other, wherein two kinds of reference signals of different frequencies from each other are caused to generate, and by dividing each of them in frequency at the same frequency division ratio, of the plurality of kinds of synchronizing signals, at least one kind of synchronizing signal conformed to each system can be obtained by a very simple arrangement.Type: GrantFiled: September 13, 1994Date of Patent: June 20, 1995Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Nobuo Fukushima
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Patent number: 5379073Abstract: An image signal processing device is arranged to receive an input image signal including horizontal and vertical synchronizing signals; to make a discrimination on the basis of the horizontal and vertical synchronizing signals, as to whether a period of the input image signal is less than a predetermined period or not; then, in accordance with information on the result of the discrimination, to cause a memory to store only a part of the input image signal corresponding to the predetermined period if the period of the input image signal is not less than the predetermined period; and if the period of the input image signal is less than the predetermined period, to cause the memory to complement the input image signal with a predetermined signal for a period by which the period of the input image signal is less than the predetermined period and store the complemented image signal.Type: GrantFiled: August 24, 1992Date of Patent: January 3, 1995Assignee: Canon Kabushiki KaishaInventors: Masato Kosugi, Yuji Sakaegi
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Patent number: 5331154Abstract: In an image sensing apparatus having a solid-state image sensor provided with an antiblooming gate and an electronic flash device, a clock signal generating circuit is arranged to apply to the gate a clock signal at a given frequency during the flashing period of the flash device and at a lower frequency than the given frequency during a period immediately before the flashing period and a period after completion of flashing by the flash device. The device includes a rotary encloder with light transmitting, blocking and semi-transmitting sections. The position of the encoder is used in an exposure means for controlling an exposure condition of a photoconverting member.Type: GrantFiled: September 11, 1992Date of Patent: July 19, 1994Assignee: Canon Kabushiki KaishaInventors: Kenichi Kondo, Shigeo Yamagata, Yuji Sakaegi, Toshihiko Kudo, Kazuhiro Matsunaga, Tsutomu Takayama
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Patent number: 5239426Abstract: A recording or reproducing apparatus capable of replacing a recording medium is provided with a switch operable in connection with the loading or ejection of the recording medium, a circuit for intermittently detecting the state of the switch, a memory circuit for storing the output of the detecting circuit, a device for initializing the recording medium, and a control circuit for controlling the operation of the initializing device in accordance with the stored content of the memory circuit when electric power is supplied to the recording or reproducing apparatus.Type: GrantFiled: May 12, 1992Date of Patent: August 24, 1993Assignee: Canon Kabushiki KaishaInventor: Yuji Sakaegi
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Patent number: 5223942Abstract: An image processing apparatus includes a recording process circuit for applying a recording process based on given luminance data and color data, a reproducing process circuit for applying a reproducing process on the given luminance data and color data, and an image memory used in common for the recording process circuit and the reproducing process circuit. The state of write-in into or read-out from the image memory on at least one of the luminance data and the color data is varied according to the state of operation of the recording process circuit and the reproducing process circuit. A processing time difference between a time of processing of the luminance data and a time of processing of the color data is compensated for by the recording process circuit and the reproducing process circuit.Type: GrantFiled: August 31, 1990Date of Patent: June 29, 1993Assignee: Canon Kabushiki KaishaInventors: Yuji Sakaegi, Makoto Kondo
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Patent number: 5182546Abstract: An electronic apparatus capable of using power sources of different kinds each having a different characteristic is provided with an apparatus for controlling the operating mode of the electronic apparatus on the basis of the discrimination result provided by a discriminating switch, the discriminating switch being provided for discriminating the kind of a power source by means of the configuration of the electrodes of the power source. The electrodes of each kind of power sources are formed to have a different configuration. A recording or reproducing apparatus is also disclosed which controls the execution or non-execution of an erasing operation in accordance with the result of discrimination of the kinds of power sources.Type: GrantFiled: December 13, 1991Date of Patent: January 26, 1993Assignee: Canon Kabushiki KaishaInventors: Kenichi Shinbori, Nasaya Maeda, Yuji Sakaegi