Panasonic Advances Automotive Millimeter-Wave Radar Technology to Detect Pedestrians and Vehicles in Low Visibility Conditions.
As accidents at intersections account for about a half of all traffic fatalities, preventive measures are required to avoid collisions there involving cars, pedestrians and cyclists. Panasonic's new radar technology enables traffic monitoring sensors at intersections to detect pedestrians and bicycles up to 40 meters ahead even at nighttime and under bad weather conditions that hinder the driver's visibility. By alerting the driver of the presence of pedestrians in the crosswalk or bicycles in blind spots, this technology helps to reduce the driver's burden and traffic accidents.
Panasonic's new automotive radar technology has overcome the difficulties with conventional millimeter-wave radar technologies; the advanced radar technology is capable of detecting humans and cars simultaneously in spite of the fact that human body reflects extremely weak radar signals compared with car body. This innovative radar technology has also achieved high detection performance with a range resolution of less than 50cm and an angular resolution Angular resolution describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms
Resolving power of 5 degrees, which enables to detect pedestrians and vehicles. Furthermore, unlike optical and infrared cameras and laser sensors, whose detection performance can be significantly affected by visibility conditions, this new radar technology will not be subject to such conditions as nighttime, rain, snow or dense fog.
Panasonic has developed and incorporated the following new element technologies to realize the new millimeter-wave radar technology for automotive applications:
With regard to millimeter-wave radars, there presently exist radars for vehicle to measure distance to the vehicle in front. However, these radars cannot detect human body with high resolution due to very weak radar reflection of human body. In addition, an optical camera is commonly used as a traffic surveillance sensor. However, it cannot work well under certain conditions such as nighttime because it can provide almost the same information as the human eye can capture.
Panasonic has achieved the new radar technology as part of the "Research and Development Project for Expansion of Radio Spectrum Resources" supported by the Ministry of Internal Affairs and Communications Ministry of Internal Affairs and Communications (総務省 Sōmushō of Japan. The company will demonstrate the technology at VTC VTC - video teleconferencing (Vehicular Technology Conference The Vehicular Technology Conference (VTC) is a semiannual international academic conference on wireless communications. It is organised by the Institute of Electrical and Electronics Engineers' Vehicular Technology Society. ) 2012-Spring (May 7 to 9 in Yokohama, Japan), using a test equipment with an experimental radio license.
On the new radar technology, Panasonic holds eighteen patents in Japan and six patents overseas including pending applications.
Panasonic Corporation is a worldwide leader in the development and manufacture of electronic products for a wide range of consumer, business, and industrial needs. Based in Osaka, Japan, the company recorded consolidated net sales Net Sales
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This amount is calculated by subtracting the following items from gross sales: merchandise returned for credit, allowances for damaged or missing goods, freight of 8.69 trillion yen (US$105 billion) for the year ended March 31, 2011. The company's shares are listed on the Tokyo, Osaka, Nagoya and New York New York, state, United States
New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario and the Canadian province of (NYSE NYSE
See: New York Stock Exchange :PC) stock exchanges. For more information on the company and the Panasonic brand, visit the company's website at http://panasonic.net/.
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