Indication display unit for a vehicle
First Claim
1. An indication display unit for a vehicle comprising;
- an indicator means secured to a ceiling in a car room for displaying images indicated thereon, and having a displaying surface thereof being in substantially a same plane as that of the ceiling surface; and
a reflecting means formed with a reflecting surface for directly receiving and reflecting said indicated images from said indicator means, and said reflecting means being disposed forwardly of a driver seat, whereby said indicated image is virtually observed therebehind,a ratio of a forwardly side length of an indicated pattern on said indicator means to a rearwardly side length thereof being equal to a ratio of a distance between a predetermined visual position on said driver seat side and said forwardly side length of said indicated pattern to a distance between said visual position and said rearwardly side length of said indicated pattern respectively through said reflecting surface therebetween.
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Accused Products
Abstract
An indication display unit for a vehicle according to the present invention comprises an indicator secured to a ceiling in a car room for displaying images indicated thereon, and a reflecting means disposed forwardly of a driver seat and formed with a reflecting surface for reflecting the above indicated image, characterized in that the ratio of the forwardly side length of an indicated pattern on the indicator to the rearwardly side length thereof is settled equal to that of the distance between a predetermined visual position on the driver seat side and the forwardly side length of the indicated pattern to the distance between the visual position and the rearwardly side length of the indicated pattern respectively through the reflective surface therebetween so as to acquire the indicated image without distortion.
6 Citations
1 Claim
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1. An indication display unit for a vehicle comprising;
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an indicator means secured to a ceiling in a car room for displaying images indicated thereon, and having a displaying surface thereof being in substantially a same plane as that of the ceiling surface; and a reflecting means formed with a reflecting surface for directly receiving and reflecting said indicated images from said indicator means, and said reflecting means being disposed forwardly of a driver seat, whereby said indicated image is virtually observed therebehind, a ratio of a forwardly side length of an indicated pattern on said indicator means to a rearwardly side length thereof being equal to a ratio of a distance between a predetermined visual position on said driver seat side and said forwardly side length of said indicated pattern to a distance between said visual position and said rearwardly side length of said indicated pattern respectively through said reflecting surface therebetween.
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Specification
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- Resources
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Current AssigneeYazaki Corporation
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Original AssigneeYazaki Corporation
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InventorsAoki, Kunimitsu
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Primary Examiner(s)Ng, Jin F.
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Assistant Examiner(s)Popovici, Dov
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Application NumberUS07/328,385Time in Patent Office1,096 DaysField of Search340/705, 340/980, 353/13, 353/14, 350/174US Class Current345/7CPC Class CodesG02B 27/0101 characterised by optical fe...
