When driving, the car has various blind spots because of various reasons. Ignoring it will cause major threats to road traffic and life safety. A few days ago, Denso developed a 24GHz vehicle-mounted millimeter-wave radar system that can sense the rear-side vehicle in time for the side blind area at the time of driving. It has been used in actual vehicles and is being installed in Toyota's new Camry, which started selling in July.
   
This radar system is installed in the rear bumper of the vehicle as a whole. It can accurately detect the blind spot of the driver during driving, the vehicle traveling from the side behind and the vehicle approaching from the left and right rear when reversing. Thanks to the installation of the equipment, when changing lanes, the vehicle can prompt the driver to pay attention to the vehicles driving in the adjacent lane; when reversing in the parking lot, the vehicle can also prompt the driver to pay attention to the vehicles approaching from the left and right rear, which can help the automatic system. The moving system senses the danger of a crash.

   

Quasi-millimeter wave radar

   
In order to realize these functions, the direction and range of detection must be switched in time according to the direction of travel of the vehicle. The 24GHz quasi-millimeter wave radar developed by Denso has realized linkage with the forward or reverse system of the vehicle-operated vehicle, and the detection direction and range are switched by switching the phase shifter. At the same time, the wireless signal receiving and transmitting circuits and the phase shifter circuit are integrated separately, thereby realizing the miniaturization and thinning of the sensor.

   

Radar integration system

   
As early as 2003, Denso was in the car radar. It used electronic scanning technology called electron beam forming technology for the first time to develop a millimeter-wave radar and gained market recognition. Now, we will make effective use of the various on-board technologies accumulated over the years to ensure a zero-traffic accident society and a "vehicle society" that is safe for drivers, pedestrians, and everyone in the world.
   
* Crystalline products manufactured by Towerjazz Inc. of the US are used in the phase shifter MMIC and the wireless signal transceiver MMIC, and the output level and sensitivity are maintained at a high level.
   
※ MMIC Monolithic Microwave Integrated Circuit that is a single microwave integrated circuit.
   
Denso Profile:
   
Denso is one of the few manufacturers of auto parts in the world and ranked 268th among the Fortune 500 companies in 2016. Today, Denso has nearly 200 affiliates in more than 30 countries and territories around the world, and employs more than 150,000 people. As an electric assembly company in China, Denso (China) Investment Co., Ltd., established in 2003, currently has 30 affiliates such as production companies, sales companies, and software development companies in China. Sales, after-sales service system and production supply system.
   
In 2017, Denso put forward a new brand slogan: “Crafting the Core”. The new slogan conveyed “The Denso will give greater play to the spirit of creation that represents the soul of the company, create new values, and create various core things for the world”. Willingness. The future of building a harmonious coexistence of people, vehicles and the environment is the vision of Denso. In the future, Denso will continue to devote itself to the development of environmental protection, security and safety technologies and products, and will actively contribute to the Chinese society.

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