Edward H Hann708 Bandak Ct, San Marcos, CA 92069

Edward Hann Phones & Addresses

708 Bandak Ct, San Marcos, CA 92069 (760) 539-7314 (760) 744-1967 (760) 798-1396

Sagle, ID

Valley Center, CA

Escondido, CA

San Diego, CA

Mentions for Edward H Hann

Edward Hann resumes & CV records

Resumes

Edward Hann Photo 28

Edward Edcarol Hann

Edward Hann Photo 29

Principal Electronics Engineer At Cardiac Science

Location:
Greater San Diego Area
Industry:
Medical Devices
Edward Hann Photo 30

Edward Hann

Location:
United States
Edward Hann Photo 31

Edward Hann

Publications & IP owners

Us Patents

Infrared Touchframe System

US Patent:
7855716, Dec 21, 2010
Filed:
Mar 20, 2003
Appl. No.:
10/508916
Inventors:
Dann P. McCreary - Escondido CA, US
Edward H. Hann - San Marcos CA, US
Assignee:
Nellcor Puritan Bennett LLC - Boulder CO
International Classification:
G09G 5/00
US Classification:
345173
Abstract:
A touchframe system includes a plurality of light emitting elements and a plurality of light receiving elements positioned around the perimeter of the display area. Each of the light receiving elements in combination with a plurality of the light emitting elements form a zone of light beam paths. The number and positioning of receivers is sufficient to form a plurality of partially overlapping zone pairs. These zone pairs are arranged relative to the display area such that any touch event lies within at least two zone pairs. A processor monitors each of the zone pairs for blockage of at least one light beam path. Upon such blockage, the processor calculates the location of the touch event associated with the blockage based on the slopes and end points of at least two intersecting blocked light beam paths from a first zone pair and two intersecting blocked light beam paths from a second zone pair.

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