Patents by Inventor Teruo Hoshi
Teruo Hoshi 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: 8749663Abstract: In order to stably detect a flicker under an illumination of a fluorescent lamp with an XY-addressed-scanning type image sensor used and to cancel the flicker, the present invention provides an image sensing device, wherein a video signal in any area on an imaging plane is first integrated per frame period, then an integrated value in a current frame is sequentially compared with a one-frame previously integrated value, next whether a variation pattern of the integrated value matches one of flicker patterns when the flicker occurs is determined, then an existence of the flicker is determined when an identical flicker pattern is seen more than two consecutive times.Type: GrantFiled: August 19, 2011Date of Patent: June 10, 2014Assignee: Hitachi, Ltd.Inventors: Ryohei Kittaka, Akihiro Musha, Hiroyuki Tarumizu, Teruo Hoshi, Satoshi Nidaira, Akinori Shiozawa
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Publication number: 20120057060Abstract: In order to stably detect a flicker under an illumination of a fluorescent lamp with an XY-addressed-scanning type image sensor used and to cancel the flicker, the present invention provides an image sensing device, wherein a video signal in any area on an imaging plane is first integrated per frame period, then an integrated value in a current frame is sequentially compared with a one-frame previously integrated value, next whether a variation pattern of the integrated value matches one of flicker patterns when the flicker occurs is determined, then an existence of the flicker is determined when an identical flicker pattern is seen more than two consecutive times.Type: ApplicationFiled: August 19, 2011Publication date: March 8, 2012Inventors: Ryohei KITTAKA, Akihiro Musha, Hiroyuki Tarumizu, Teruo Hoshi, Satoshi Nidaira, Akinori Shiozawa
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Patent number: 6504992Abstract: When a video signal reproduced by a helical scan type video signal reproducing apparatus is displayed on the screen of a liquid crystal matrix circuit, a change in brightness on the screen is eliminated in a mode for displaying a trick reproduced image such as a noiseless search image, a still image or the like with respect to a mode for displaying a normally reproduced image, thus providing the user with displayed images causing a less feeling of strangeness. During normal reproduction, where a video signal is continuously written into a liquid crystal display circuit, the brightness of the liquid crystal display circuit is controlled based on the value in a reference brightness register set by the user. During trick reproduction, where a video signal is discontinuously written into the liquid crystal display circuit, the liquid crystal display circuit is controlled to display an image relatively darker than the value in the reference brightness register.Type: GrantFiled: May 6, 1999Date of Patent: January 7, 2003Assignee: Hitachi, Ltd.Inventors: Kouji Minabe, Masayuki Kijima, Hideo Nishijima, Teruo Hoshi, Takashi Tsujio
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Patent number: 6459541Abstract: A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are proportional to the rotation frequencies of a capstan motor, a supply reel and a take-up reel. Only when the taken-up position is near the tape end, the apparatus activates LEDs (light emitting elements) for sensing the tape end and photo-transistors (light receiving elements), for sensing the tape end.Type: GrantFiled: August 9, 2000Date of Patent: October 1, 2002Assignee: Hitachi, Ltd.Inventors: Kouji Minabe, Hideo Nishijima, Kouji Kaniwa, Hiroya Abe, Yoshio Narita, Teruo Hoshi
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Patent number: 6141172Abstract: A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are proportional to the rotation frequencies of a capstan motor, a supply reel and a take-up reel. Only when the taken-up position is near the tape end, the apparatus activates LEDs (light emitting elements) for sensing the tape end and photo-transistors (light receiving elements), for sensing the tape end.Type: GrantFiled: December 9, 1999Date of Patent: October 31, 2000Assignee: Hitachi, Ltd.Inventors: Kouji Minabe, Hideo Nishijima, Kouji Kaniwa, Hiroya Abe, Yoshio Narita, Teruo Hoshi
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Patent number: 6021016Abstract: A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are proportional to the rotation frequencies of a capstan motor, a supply reel and a take-up reel. Only when the taken-up position is near the tape end, the apparatus activates LEDs (light emitting elements) for sensing the tape end and photo-transistors (light receiving elements), for sensing the tape end.Type: GrantFiled: November 6, 1997Date of Patent: February 1, 2000Assignee: Hitachi, Ltd.Inventors: Kouji Minabe, Hideo Nishijima, Kouji Kaniwa, Hiroya Abe, Yoshio Narita, Teruo Hoshi
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Patent number: 5956461Abstract: A VCR integrally provided with a camera (camcorder) stops power supply at a non-recording mode for reducing power consumption. The camcorder is arranged to have power control units and a switch for controlling the start or the end of the recording operation and the power-on or power-off of at least one or more of a camera section, a VCR section and a display section, a time measuring unit, and a control unit for starting the recording unit a predetermined time later than when the camera section starts to pick up an image sequence and the image sequence appears on an electronic viewfinder or the like. Further, the camcorder includes units for moving a zoom lens to a Wide-terminal when powered off, when powered on or a predetermined time later than when powered off. Moreover, there are provided units for overlapping text information with the image sequence appearing on the electronic viewfinder. These units display a time left until the recording start.Type: GrantFiled: October 25, 1996Date of Patent: September 21, 1999Assignee: Hitachi, Ltd.Inventors: Hiroya Abe, Hideo Nishijima, Kouji Minabe, Teruo Hoshi, Michio Sagawa, Kouji Kaniwa
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Patent number: 5699206Abstract: A magnetic recording and reproducing apparatus arranged to use a magnetic tape. The apparatus operates to derive the current taken-up position of the magnetic tape from the signals that are proportional to the rotation frequencies of a capstan motor, a supply reel and a take-up reel. Only when the taken-up position is near the tape end, the apparatus activates LEDs (light emitting elements) for sensing the tape end and photo-transistors (light receiving elements), for sensing the tape end.Type: GrantFiled: October 6, 1995Date of Patent: December 16, 1997Assignee: Hitachi, Ltd.Inventors: Kouji Minabe, Hideo Nishijima, Kouji Kaniwa, Hiroya Abe, Yoshio Narita, Teruo Hoshi
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Patent number: 5641225Abstract: A thin illumination device providing uniform luminance distribution on the diffusing plate comprising a reflecting plate, linear light sources arranged in the vicinity of the reflecting plate and a diffusing plate arranged on the opposite side of the reflecting plate with regard to the light sources, section of the reflecting plate having a shape of continuous curves having different curvature.Type: GrantFiled: January 5, 1995Date of Patent: June 24, 1997Assignee: Enplas CorporationInventors: Hideaki Katoh, Nobuhisa Noguchi, Teruo Hoshi
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Patent number: 5611018Abstract: In a voice speed converting system according to the present invention, an input sound signal is subjected to voice speed conversion processing by a voice speed conversion processing device. Output from the voice speed conversion processing device is written to a ring memory. Data written to the ring memory are read out at a predetermined speed. The amount of stored data in the ring memory is calculated on the basis of a write signal and a read signal for the ring memory by stored data amount calculating device. The voice speed converting device includes a section judging device that judges which of a voice section and a silence section corresponds to the input sound signal. The input sound signal is subjected to compression and expansion processing or deletion processing, in response to an output of the section judging device and an output of the stored data amount calculating device by a signal processing device.Type: GrantFiled: September 14, 1994Date of Patent: March 11, 1997Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroshi Tanaka, Masayuki Iida, Masanori Miyatake, Shozo Sugishita, Teruo Hoshi
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Patent number: 5420771Abstract: A thin illumination device providing uniform luminance distribution on the diffusing plate comprising a reflecting plate, linear light sources arranged in the vicinity of the reflecting plate and a diffusing plate arranged on the opposite side of the reflecting plate with regard to the light sources, section of the reflecting plate having a shape of continuous curves having different curvature.Type: GrantFiled: January 29, 1993Date of Patent: May 30, 1995Assignee: Dai-Ichi Seiko Co., Ltd.Inventors: Hideaki Katoh, Nobuhisa Noguchi, Teruo Hoshi
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Patent number: 5186537Abstract: A thin illumination device providing uniform luminance distribution on the diffusing plate comprising a reflecting plate, linear light sources arranged in the vicinity of the reflecting plate and a diffusing plate arranged on the opposite side of the reflecting plate with regard to the light sources, section of the reflecting plate having a shape of continuous curves having different curvature.Type: GrantFiled: June 3, 1991Date of Patent: February 16, 1993Assignee: Dai-Ichi Seiko Co., Ltd.Inventors: Hideaki Katoh, Nobuhisa Noguchi, Yutaka Kikuchi, Isamu Kaneko, Teruo Hoshi
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Patent number: 5144539Abstract: An illumination device having a reflecting plate, at least one linear light source arranged on a first side of the reflecting plate, a diffusing plate arranged on a second side of the reflecting plate, and a light quantity adjusting member formed integrally with the reflecting plate.Type: GrantFiled: May 28, 1991Date of Patent: September 1, 1992Assignee: Dai-Ichi Seiko Co., Ltd.Inventors: Hideaki Katoh, Nobuhisa Noguchi, Yutaka Kikuchi, Isamu Kaneko, Toshiaki Sugimoto, Seiki Kitahara, Teruo Hoshi, Minoru Suzuki, Shuichi Satoh
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Patent number: 5101331Abstract: An illumination device comprising a reflecting plate, a single or a plural number of linear light source(s) arranged over said reflecting plate and a diffusing plate arranged over said light source(s), a light quantity adjusting means being arranged on the surface of the linear light source on between said light source(s) and said diffusing plate, and said illumination device being so adapted as to uniformalize luminance distribution on the diffusing plate by selecting shape and size of light-transmitting portions of the light quantity adjusting means.Type: GrantFiled: July 30, 1991Date of Patent: March 31, 1992Assignee: Dai-Ichi Seiko Co., Ltd.Inventors: Hideaki Katoh, Nobuhisa Noguchi, Yutaka Kikuchi, Isamu Kaneko, Toshiaki Sugimoto, Seiki Kitahara, Teruo Hoshi, Minoru Suzuki, Shuichi Satoh
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Patent number: 5038259Abstract: An illumination device comprising a reflecting plate, a single or a plural number of linear light source(s) arranged over said reflecting plate and a diffusing plate arranged over said light source(s), a light quantity adjusting means being arranged on the surface of the linear light source on between said light source(s) and said diffusing plate, and said illumination device being so adapted as to uniformalize luminance distribution on the diffusing plate by selecting shape and size of light-transmitting portions of the light quantity adjusting means.Type: GrantFiled: July 7, 1988Date of Patent: August 6, 1991Assignee: Dai-Ichi Seiko Co., Ltd.Inventors: Hideaki Katoh, Nobuhisa Noguchi, Isamu Kaneko, Seiki Kitahara, Teruo Hoshi, Shuichi Satoh