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On September 9, according to foreign media reports, on Tuesday, local time, the U.S. patent and Trademark Office announced that it would officially grant the patent of using laser as windshield wiper to Tesla, an electric vehicle manufacturer < p > < / P > < p > Tesla filed a patent application entitled "pulse laser cleaning debris accumulated on glass products in vehicles and photovoltaic modules" in May 2019. The U.S. patent and Trademark Office approved its application this week, which gave Tesla the exclusive right to this invention < p > Tesla has tried several ideas about windshield wipers in the past. In fact, in February this year, the company has obtained a patent for a new wiper designed for the electric sports car roadster, which will use the electromagnetic linear actuator (electromagnetic wiper) to remove moisture from the windshield < p > in addition, Tesla is trying not to install windshield wipers. At the press conference in November 2019, Tesla electric pickup cybertruck had no wiper, which may suggest that Tesla either did not finalize the appropriate design or was ready to install the wiper at all. Now, perhaps the new patent can explain the reason why cybertruck lacked wiper at that time < p > Tesla outlined this patent in its application documents: "A cleaning system for a vehicle includes a beam optical assembly that emits a laser beam to illuminate a vehicle glass product, a detection circuit that detects debris accumulated in the area, and a control circuit. The control circuit calibrates the parameters associated with the laser beam emitted from the beam optical assembly based on the detection of debris accumulated on the glass product, and then controls the laser beam to accumulate debris The exposure level on the chip. Among them, the exposure level is controlled based on pulsing the laser beam at a calibrated rate, and the penetration of the laser beam is limited to a depth less than the thickness of the glass product, so as to remove the chip. "< / P > < p > in addition to the laser wiper, Tesla is also brewing a lot of crazy ideas. Its CEO Elon Musk) He once expressed the hope that roadster can hover with SpaceX cold gas thruster, and cybertruck can install solar panels on the rear cargo box cover to increase the endurance mileage. < / P > < p > in a recent teleconference, musk also put forward the idea of Robo van, an autonomous minibus. However, even for Tesla, which advocates high standards, it is not easy to completely change the idea of wiper Easy to implement. < / P > < p > as implied by the patent title, Tesla also considered using pulsed laser to remove debris from roof solar panels. (small) < / P > < p >

2023-03-22 10:04:43