Holographic parking assistance device
First Claim
Patent Images
1. A vehicle parking alignment system for use with a vehicle having a longitudinal axis and a front end, comprising:
- a screen located so as to be in front of a vehicle that is in a desired parked position, said screen having a predetermined position and orientation relative to the vehicle in the desired parked position; and
image projecting means located on the vehicle for directing an imaging beam toward the screen wherein said imaging beam produces a predetermined image at a predetermined image plane;
whereby alignment of the vehicle relative to the desired parked position is indicated by the position of the predetermined image on said screen and the state of focus of the image on the screen.
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Abstract
An optical parking alignment system that includes at least one projector located on a vehicle for projecting a respective image forwardly of the vehicle, whereby alignment of the vehicle is indicated when each respective image is in focus on a screen disposed in front of the vehicle. The projector cam comprise a transparency and an imaging lens, or a hologram and a narrowband light source.
539 Citations
10 Claims
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1. A vehicle parking alignment system for use with a vehicle having a longitudinal axis and a front end, comprising:
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a screen located so as to be in front of a vehicle that is in a desired parked position, said screen having a predetermined position and orientation relative to the vehicle in the desired parked position; and image projecting means located on the vehicle for directing an imaging beam toward the screen wherein said imaging beam produces a predetermined image at a predetermined image plane; whereby alignment of the vehicle relative to the desired parked position is indicated by the position of the predetermined image on said screen and the state of focus of the image on the screen. - View Dependent Claims (2, 3, 4, 5)
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6. A vehicle parking alignment system for use with a vehicle having a longitudinal axis and a front end, comprising:
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a screen located so as to be in front of a vehicle that is in a desired parked position, said screen having a predetermined position and orientation relative to the vehicle in the desired parked position; and a first image projecting means located on the vehicle laterally spaced from the longitudinal axis and on a first side of the longitudinal axis, said first image projecting means directing a first imaging beam toward the screen wherein said first imaging illumination produces a first predetermined image at a predetermined image plane; a second image projecting means located on the vehicle laterally spaced from the longitudinal axis and on a second side of the longitudinal axis, said second image projecting means directing a second imaging beam toward the screen wherein said second imaging beam produces a second predetermined image at the predetermined image plane; whereby alignment of the vehicle relative to the desired parked position is indicated by the positions of the first and second predetermined images on said screen and the respective states of focus of the images on the screen. - View Dependent Claims (7, 8, 9, 10)
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Specification