Invention Grant
- Patent Title: Heads up display system having dual fresnel lens magnification
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Application No.: US14838657Application Date: 2015-08-28
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Publication No.: US09696544B2Publication Date: 2017-07-04
- Inventor: Samuel T. Haberl
- Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.
- Applicant Address: US KY Erlanger
- Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
- Current Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
- Current Assignee Address: US KY Erlanger
- Agency: Dinsmore & Shohl LLP
- Main IPC: G02B27/14
- IPC: G02B27/14 ; G09G5/00 ; G02B27/01 ; G02B3/08 ; B60K35/00
Abstract:
A heads up display system is provided for an automotive vehicle. The automotive vehicle includes an instrument panel and a windshield. The heads up display providing a first reflective mirror, a second reflective mirror, a first Fresnel lens, a second Fresnel lens, and an image display generator. The first Fresnel lens has a concave shape. The first Fresnel lens is positioned downstream of the first reflection mirror and the second reflection mirror. The second Fresnel lens has a convex shape. The second Fresnel lens is positioned downstream of the first Fresnel lens.
Public/Granted literature
- US20170059859A1 HEADS UP DISPLAY SYSTEM HAVING DUAL FRESNEL LENS MAGNIFICATION Public/Granted day:2017-03-02
Information query
