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Yokohama-shi, Japan

Sugano K.,Koito Industries LTD. | Watanabe S.,Shonan Institute of Technology
Electronics and Communications in Japan | Year: 2013

A design method for stacked NAND-type FeRAM with a two-transistor-type memory cell is newly proposed. With the newly introduced WL voltage generator, which allows compensation of the drain current variations caused by misalignment of the ferroelectric film removal mask, 4F2 small cell size has been successfully realized. Thirty-two-stage stacked NAND-type FeRAM is a promising candidate for realizing higher reliability than the conventional stacked NAND-type one-transistor FeRAM. © 2013 Wiley Periodicals, Inc. Source


Sugano K.,Koito Industries LTD. | Watanabe S.,Shonan Institute of Technology
IEEJ Transactions on Electronics, Information and Systems | Year: 2011

Design method of stacked NAND type FeRAM with 2-transistor type memory cell has been newly proposed. With newly introduced WL voltage generator which enables to compensate drain current variation caused by mis-alignment of the ferro-electric film removal mask 4F 2 small cell size has been successfully realized. 32 stage of stacked NAND type FeRAM is a promising candidate for realizing high reliability compared with the conventional stacked NAND type 1-transistor FeRAM. © 2011 The Institute of Electrical Engineers of Japan. Source


Kozuka N.,Keio University | Kimura K.,Koito Industries LTD. | Hagiwara M.,Keio University
IEEJ Transactions on Electronics, Information and Systems | Year: 2011

The paper proposes a new system that can detect suspicious actions such as a car break-in and surroundings in an open space parking, based on image processing. The proposed system focuses on three points of "order", "time", and "location" of human actions. The proposed system has the following features: it 1) deals time series data flow, 2) estimates human actions and the location, 3) extracts suspicious action detection rules automatically, 4) detects suspicious actions using the suspicious score. We carried out experiments using real image sequences. As a result, we obtained about 7.8% higher estimation rate than the conventional system. © 2011 The Institute of Electrical Engineers of Japan. Source


Inomata T.,Keio University | Kimura K.,Koito Industries LTD. | Hagiwara M.,Keio University
IEEJ Transactions on Electronics, Information and Systems | Year: 2010

Studies for video surveillance applications for preventing various crimes such as stealing and violence have become a hot topic. This paper proposes a new video surveillance system that can detect suspicious behaviors such as a car break-in and vandalization in an open space parking, and that is based on image processing. The proposed system has the following features: it 1)deals time series data flow, 2)recognizes "human elemental actions" using statistic features, and 3)detects suspicious behavior using Subspace method and AdaBoost. We conducted the experiments to test the performance of the proposed system using open space parking scenes. As a result, we obtained about 10.0% for false positive rate, and about 4.6% for false negative rate. © 2010 The Institute of Electrical Engineers of Japan. Source


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Koito Industries Ltd. | Date: 1998-05-05

PHOTO-OPTICALLY-BASED, DATA COMMUNICATION SYSTEM FOR TRACKING AND CONTROLLING VEHICULAR TRAFFIC FLOW PATTERNS COMPRISING TRANSMITTERS, RECEIVERS, CONTROLLERS, MONITORS, COMPUTERS, RECORDERS AND PRINTERS.

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