Method and system for determining pupiltary distant and element height
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United States of America Patent
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Mar 18, 2003
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
May 31, 2000
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Abstract
A method and system is presented for determining pupillary distance and multi-focal element height for prescription eyeglasses via images received through a computer network. The received image has a reference object of a known real-world size located approximately the same distance from the camera as the face. The size of the reference object on the image is determined, such as by measuring the number of pixels across the reference object. A scale for the image is determined by dividing the real world width of the reference object by the image size of the reference object. An image value for the pupillary distance and multi-focal element height is then determined. The scale value is applied to the image value to determine the real-world pupillary distance and multi-focal element height for the patient. The reference object can be a generally available object such as a monetary coin, or a facial element that has a relatively fixed size from face to face, such as the size of the iris. Image sizes can be determined by presenting the image to an individual, or through image recognition technology.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- FRAMES FOR AMERICA, INC.
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Foley, Christopher | St. Cloud, MN | 6 | 74 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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