Keypad with virtual image

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7830368
SERIAL NO

11755819

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A keypad having a virtual floating image that appears to a user to be in a plane other than the apparent plane of the keypad surface. More particularly, the indicia on the keypad appear to float above or below the surface of the device. The keypad can be, for example, the keypad on a cell phone. For such an application there would be more than one array of indicia present on the keypad. For example, there might be ten arrays of indicia, which provide the numerals from 0 to 9 and two more arrays to provide virtual images of the * and # keys. In some embodiments, the keypad is integrated with an illumination source that light up the indicia. The present disclosure also provides a method of manufacturing a key pad with a virtual floating image.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 ST PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dobbs, James N Woodbury, US 50 922
Dudley, William R Geneseo, US 22 229
Free, M Benton St. Paul, US 16 548
Huizinga, John S White Bear Lake, US 34 674
Hulme-Lowe, Alan G Woodbury, US 10 490
Jerry, Glen A Roseville, US 17 440
Marttila, Charles A Shoreview, US 33 595
Strand, John T Stillwater, US 25 402
Wetzels, Serge Maplewood, US 10 183
Yi, Jennifer R Woodbury, US 11 234

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