Patents Represented by Law Firm Robin, Blecker, Daley & Driscoll
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Patent number: 5583603Abstract: A camera system having a lens unit provided with an actuator for changing the state of an optical system by driving a driving part and a driving circuit which drives the actuator on the basis of a driving control instruction signal supplied in a given periodicity from a control circuit disposed on the side of a camera body. The lens unit is characterized in that the actuator driving timing of the driving circuit is arranged to differ from the timing at which the driving control instruction signal is supplied from the control circuit to the driving circuit.Type: GrantFiled: March 11, 1996Date of Patent: December 10, 1996Assignee: Canon Kabushiki KaishaInventors: Masahide Hirasawa, Masamichi Toyama, Ryunosuke Iijima
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Patent number: 5582387Abstract: A primary hanger has a hook portion for receiving a hanging rod and a first retention structure, a fold line segment depending from the hook portion and a sideward opening communicating with the hook portion opening and a flap segment depending from the fold line segment, the flap segment defining a second retention structure cooperative with the first retention portion to retain the flap segment with the hook portion upon folding of the flap segment about the fold line segment. The flap segment and the hook portion define a passage therebetween upon the folding of the flap segment about the fold line segment. A secondary hanger has an upper part which is sized to enter the sideward opening of the flap segment and which has openings therethrough registrable with the first and second retention structures to be captured thereby upon folding of the flap segment about the fold line segment, the second hanger thereby being hung from the first hanger.Type: GrantFiled: October 27, 1995Date of Patent: December 10, 1996Assignee: B&G Plastics, Inc.Inventors: Chester Kolton, Stuart S. Spater
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Patent number: 5580673Abstract: A carbonate fuel cell matrix comprising support particles and crack attenuator particles which are made platelet in shape to increase the resistance of the matrix to through cracking. Also disclosed is a matrix having porous crack attenuator particles and a matrix whose crack attenuator particles have a thermal coefficient of expansion which is significantly different from that of the support particles, and a method of making platelet-shaped crack attenuator particles.Type: GrantFiled: October 6, 1994Date of Patent: December 3, 1996Assignee: Energy Research CorporationInventors: Mohammad Farooque, Chao-Yi Yuh
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Patent number: 5581421Abstract: In a method for driving a head-seek stepping motor of a disk drive device of the kind performing a head seek to move a recording or reproducing head in a radial direction of a disk-shape recording medium by driving the stepping motor according to pulses of a step signal, a period of time for exciting the stepping motor at one time in response to each pulse of the step signal is set at a length of time which is shorter than a pulse interval of the step signal and which is a minimum length of time necessary for the head seek when the pulses of the step signal are continuously inputted for a continuous head seek, and a re-exciting action is performed on the stepping motor in its last excited phase for a given period of time at the end of the continuous head seek.Type: GrantFiled: January 21, 1993Date of Patent: December 3, 1996Assignee: Canon Denshi Kabushiki KaishaInventor: Nobuhiro Aisawa
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Patent number: 5579085Abstract: An image forming apparatus is provided with a cylinder for carrying developing agent, and with a flange fitted into an end portion of the cylinder for supporting the cylinder. A fitting portion of the flange has a diameter larger than an inner diameter of the cylinder. The flange is mounted to the cylinder by press-fitting and has a guide smaller than the inner diameter of the cylinder at an end of the fitting portion for guiding the fitting. A spacer is located at a more central side of the cylinder than the fitting portion of the flange press-fitted into the cylinder.Type: GrantFiled: July 11, 1995Date of Patent: November 26, 1996Assignee: Canon Kabushiki KaishaInventors: Shigeo Miyabe, Hiroo Kobayashi, Kazuo Shishido, Koji Miura
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Patent number: 5576841Abstract: A signal processing system comprises a signal processing device which includes a connector and a plurality of kinds of external storage devices which are arranged to store respective different kinds of information signals. In this system, the plurality of kinds of external storage devices are selectively connectable to the signal processing device through the connector, the information signal is transmissible to the signal processing device through the connector from the external storage device connected to the signal processing device, and the signal processing device further includes a detecting circuit which is arranged to detect via the connector the kind of the external storage device connected to the signal processing device. The system thus allows the external storage devices having information of varied kinds to be connected through one and the same connector. Therefore, information of diverse kinds can be formed and processed without necessitating any complex system arrangement.Type: GrantFiled: January 12, 1995Date of Patent: November 19, 1996Assignee: Canon Kabushiki KaishaInventors: Teruo Hieda, Koji Takahashi
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Patent number: 5575577Abstract: A recording apparatus of the kind arranged to perform recording by moving a carriage on which a recording head is mounted is provided with a linear encoder which consists of a linear scale part arranged in parallel to a moving route of the carriage to have position information recorded in the longitudinal direction thereof at a predetermined pitch and a detecting head arranged to detect the position information of the scale part. The detecting head includes a protective film thereon and a slider which fittingly engages the scale part and is formed with a polyphenylene sulfide material containing 10 to 50% of a filler.Type: GrantFiled: April 28, 1994Date of Patent: November 19, 1996Assignee: Canon Denshi Kabushiki KaishaInventors: Yoshio Kawakami, Kohzo Ohkubo, Syuzo Abiko
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Patent number: 5576840Abstract: A recording apparatus is arranged to detect the kind of recording medium used for recording data, and to selectively make, according to the result of detection, either a first display indicative of the absolute value of a remaining recordable capacity of the recording medium or a second display indicative of the ratio of the remaining recordable capacity to a full recordable capacity of the recording medium.Type: GrantFiled: March 23, 1994Date of Patent: November 19, 1996Assignee: Canon Kabushiki KaishaInventor: Nobuo Fukushima
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Patent number: 5576893Abstract: A zoom lens barrel is provided in which the amount of forward movement made by a focus lens is altered in accordance with a change in a focal length caused by a zooming operation. The zoom lens barrel includes a moving mechanism for rotating a cam member around an optical axis and for moving this cam member in the direction of the optical axis in response to the zooming operation; a first cam for moving a zoom lens in the direction of the optical axis on the basis of the rotation around the optical axis and the movement in the direction of the optical axis; and a second cam for moving the focus lens, which focus lens is used for zooming and focusing, in the direction of the optical axis. The first and second cams are provided for the cam member.Type: GrantFiled: November 18, 1991Date of Patent: November 19, 1996Assignee: Canon Kabushiki KaishaInventor: Haruhiko Yamanouchi
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Patent number: 5574520Abstract: A camera of the kind having a function of recording information designating an arbitrary number of prints in a magnetic recording track provided for each of frame portions of a film is arranged to inhibit the information designating the arbitrary number of prints from being recorded in the magnetic recording track of any frame for which a picture has been taken under an abnormal shooting condition, such as a camera shake.Type: GrantFiled: May 22, 1995Date of Patent: November 12, 1996Assignee: Canon Kabushiki KaishaInventor: Masaaki Ishihara
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Patent number: 5572374Abstract: A lens barrel includes a fixed tube, a moving tube arranged to move in the direction of an optical axis over the outer circumference of the fixed tube and to have a cutout part, and a band-like circuit board disposed around the optical axis on the outside of the fixed tube and having a part located inside the moving tube within an area corresponding to the cutout part and a part located outside the moving tube within an area other than the area corresponding to the cutout part.Type: GrantFiled: July 19, 1993Date of Patent: November 5, 1996Assignee: Canon Kabushiki KaishaInventors: Tadanori Okada, Haruhiko Yamanouchi
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Patent number: 5570236Abstract: A lens drive controlling apparatus includes a zooming lens, a focusing lens driven in follow-up relation to a movement of the zooming lens on the basis of a predetermined characteristic, a speed sensor for detecting a driving speed of the zooming lens, and a control circuit for determining a driving speed of the focusing lens on the basis of a detection result provided by the speed sensor.Type: GrantFiled: June 24, 1993Date of Patent: October 29, 1996Assignee: Canon Kabushiki KaishaInventor: Masahide Hirasawa
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Patent number: 5570156Abstract: A camera includes an electronic viewfinder adapted to electrically display a photographing image, a visual line detection unit for detecting the position of a camera operator's visual line on a picture plane of the electronic viewfinder, and a display processing unit for displaying on the electronic viewfinder a photographing-related information involved in a camera photographing. In such a camera, the display processing unit controls a display position of the photographing-related information in accordance with an output of the visual line detection unit.Type: GrantFiled: July 8, 1994Date of Patent: October 29, 1996Assignee: Canon Kabushiki KaishaInventors: Takashi Arai, Hirofumi Nakano
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Patent number: 5568328Abstract: A video data recording apparatus which records video data by forming a number of tracks parallel with each other on a recording medium, wherein recording positions of boundaries between adjacent fields of video signal are variably located on the tracks and wherein a time code is recorded at a constant position in each of the tracks.Type: GrantFiled: January 26, 1995Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventors: Koji Takahashi, Kenichi Nagasawa, Motokazu Kashida
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Patent number: 5568276Abstract: In an image signal recording and reproducing system, a phase reference signal, the phase of which is synchronized with the phase of an image signal, is added to the image signal in a recording mode so as to be recorded on a recording medium, while the phase of a sampling signal for sampling a reproduced image signal is controlled by using the phase reference signal separated from the reproduced signal in a reproducing mode, whereby the image signal can be accurately sampled without an influence from a time variation change in the reproducing side.Type: GrantFiled: November 21, 1994Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventor: Kazuhito Ohashi
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Patent number: 5568191Abstract: A video camera is provided in which an effective image plane is not affected even if a command to write data is supplied from a microcomputer to a signal processing portion in an effective video period. A plurality of control registers are provided in an interface portion. If a command to write data is supplied from the microcomputer to the signal processing portion in an effective video period for a video signal, data, which must be transferred, and address are temporarily stored in the registers and the stored signals are transferred to the signal processing portion in a retrace line period for a next video signal. As a result of the structure, data is written on the signal processing portion in the retrace line period for the next video signal even if the command to write data is supplied from the microcomputer to the signal processing portion.Type: GrantFiled: June 16, 1994Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventor: Kunihiko Yamada
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Patent number: 5568125Abstract: A two-step continuous annealing process is applied to an amorphous metal alloy ribbon. During the first annealing step, a saturating transverse magnetic field is applied, and the field is omitted during the second annealing step. After the two annealing steps, the material is cut into discrete strips suitable for use as active elements in pulsed-field magnetomechanical EAS markers. The resulting markers exhibit satisfactory total frequency shift and ring-down signal amplitude characteristics, without excessive sensitivity to bias field variations.Type: GrantFiled: July 28, 1995Date of Patent: October 22, 1996Assignee: Sensormatic Electronics CorporationInventor: Nen-Chin Liu
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Patent number: 5568559Abstract: A sound processing apparatus in which the levels of audio signals from which have been extracted signals of a frequency band lower than a predetermined frequency band are controlled by using signals of the predetermined frequency band extracted from audio signals that are converted from sound waves generated from a sound source and by using signals that are extracted from the above audio signals and are lying within a frequency band lower than the above predetermined frequency band, and the signals of which the levels are controlled and the audio signals are combined together and are output. The sound processing apparatus is capable of removing noise components such as wind noise from the audio signals despite of its simple constitution.Type: GrantFiled: December 13, 1994Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventor: Jun Makino
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Patent number: 5568190Abstract: An image pickup apparatus includes an image pickup device for photoelectrically converting an object image and generating an image pickup signal, a memory for storing the image pickup signal generated from the image pickup device, a switching circuit for switching an output of the image pickup device and an output of the memory, a vibration detecting sensor for detecting a vibration of the apparatus main body and a control circuit for controlling the switching circuit on the basis of an output of the vibration detecting sensor, for outputting the image pickup signal generated from the image pickup device in the case that the vibration detected by the vibration detecting sensor is less than a predetermined value, and for outputting the image signal stored in the memory in the case that the vibration detected by the vibration detecting sensor is equal to or larger than the predetermined value.Type: GrantFiled: May 1, 1995Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventors: Kazuhiro Noguchi, Shigeru Ogino, Takashi Kobayashi
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Patent number: 5568193Abstract: To obtain an image pickup device capable of obtaining wide-band R, G, and B signals, R, G, and B signals are generated by a coincidence and matrix circuit using Ye/Cy and Mg/G components of outputs from an image pickup element in units of pixels. A wide-band signal generation circuit generates wide-band signal components from another arithmetic operation using the outputs from the image pickup element. The resultant wide-band signal components are mixed with the R, G, and B signals using an adder and a subtracter, thereby obtaining wide-band R, G, and B signals. Therefore, the wide-band R, G, and B signals suitable for multimedia applications and free from color blurring at a high resolution can be obtained.Type: GrantFiled: September 6, 1995Date of Patent: October 22, 1996Assignee: Canon Kabushiki KaishaInventor: Norihiro Kawahara