Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co Assigned to HUGHES AIRCRAFT COMPANY, LOS ANGELES, CA, A CORP. Original Assignee Hughes Aircraft Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) King Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US07/335,174 Inventor Martin Weinhrauch John J.
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Google Patents Automotive head-up displayÄownload PDF Info Publication number US4973139A US4973139A US07/335,174 US33517489A US4973139A US 4973139 A US4973139 A US 4973139A US 33517489 A US33517489 A US 33517489A US 4973139 A US4973139 A US 4973139A Authority US United States Prior art keywords display head windshield combiner imaging illumination Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents US4973139A - Automotive head-up display