Automotive laminate camera heating system with low distortion
The use of camera-based safety systems is growing at a rapid rate in automobiles where they are used to provide lane departure warning, collision avoidance, adaptive cruise control and other functions. As the industry moves towards full autonomous capability, the number of cameras and the resolution...
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creator | Granados Caro, Laura Mannheim Astete, Mario Arturo |
description | The use of camera-based safety systems is growing at a rapid rate in automobiles where they are used to provide lane departure warning, collision avoidance, adaptive cruise control and other functions. As the industry moves towards full autonomous capability, the number of cameras and the resolution are increasing. For proper operation, the cameras require a clear undistorted field of view. Keeping the camera area free of snow and ice has been a problem. A resistive heating circuit is typically used to keep the area clear. For rapid clearing the circuit needs to operate at a high-power level. Due to the temperature dependent index of refraction of the plastic interlayer, severe distortion can result from the non-isothermal heating resulting from the spacing of the circuit elements. The laminate of the invention reduces distortion by removing the interlayer in the camera field of view and replacing with a plastic having a more temperature stable index of refraction. |
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As the industry moves towards full autonomous capability, the number of cameras and the resolution are increasing. For proper operation, the cameras require a clear undistorted field of view. Keeping the camera area free of snow and ice has been a problem. A resistive heating circuit is typically used to keep the area clear. For rapid clearing the circuit needs to operate at a high-power level. Due to the temperature dependent index of refraction of the plastic interlayer, severe distortion can result from the non-isothermal heating resulting from the spacing of the circuit elements. The laminate of the invention reduces distortion by removing the interlayer in the camera field of view and replacing with a plastic having a more temperature stable index of refraction.</description><language>eng</language><subject>BORING ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; TRANSPORTING ; TURNING</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241105&DB=EPODOC&CC=US&NR=12134247B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20241105&DB=EPODOC&CC=US&NR=12134247B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Granados Caro, Laura</creatorcontrib><creatorcontrib>Mannheim Astete, Mario Arturo</creatorcontrib><title>Automotive laminate camera heating system with low distortion</title><description>The use of camera-based safety systems is growing at a rapid rate in automobiles where they are used to provide lane departure warning, collision avoidance, adaptive cruise control and other functions. 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The laminate of the invention reduces distortion by removing the interlayer in the camera field of view and replacing with a plastic having a more temperature stable index of refraction.</description><subject>BORING</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><subject>TURNING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLB1LC3Jz80vySxLVchJzM3MSyxJVUhOzE0tSlTISE0sycxLVyiuLC5JzVUozyzJUMjJL1dIySwuyS8qyczP42FgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhkaGxiZGJuZORsbEqAEAarww6w</recordid><startdate>20241105</startdate><enddate>20241105</enddate><creator>Granados Caro, Laura</creator><creator>Mannheim Astete, Mario Arturo</creator><scope>EVB</scope></search><sort><creationdate>20241105</creationdate><title>Automotive laminate camera heating system with low distortion</title><author>Granados Caro, Laura ; Mannheim Astete, Mario Arturo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US12134247B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>BORING</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><topic>TURNING</topic><toplevel>online_resources</toplevel><creatorcontrib>Granados Caro, Laura</creatorcontrib><creatorcontrib>Mannheim Astete, Mario Arturo</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Granados Caro, Laura</au><au>Mannheim Astete, Mario Arturo</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automotive laminate camera heating system with low distortion</title><date>2024-11-05</date><risdate>2024</risdate><abstract>The use of camera-based safety systems is growing at a rapid rate in automobiles where they are used to provide lane departure warning, collision avoidance, adaptive cruise control and other functions. As the industry moves towards full autonomous capability, the number of cameras and the resolution are increasing. For proper operation, the cameras require a clear undistorted field of view. Keeping the camera area free of snow and ice has been a problem. A resistive heating circuit is typically used to keep the area clear. For rapid clearing the circuit needs to operate at a high-power level. Due to the temperature dependent index of refraction of the plastic interlayer, severe distortion can result from the non-isothermal heating resulting from the spacing of the circuit elements. The laminate of the invention reduces distortion by removing the interlayer in the camera field of view and replacing with a plastic having a more temperature stable index of refraction.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BORING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING |
title | Automotive laminate camera heating system with low distortion |
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