Detecting uv-fluorescent materials with a camera
OwnerThomas D. Pawlik, Judith A. Bose +2inventors
InventorsThomas D. Pawlik, Judith A. Bose, Ronald S. Cok, Nelson A. Blish
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Abstract
A method of detecting UV-light-fluorescent indicia (14) with a camera (18) having a flash (20) and a sensor (22) includes mounting a visible-to-UV light conversion device (24) over the flash, activating the camera to initiate a visible-light flash exposure, converting visible light (17) from the flash to UV light (16) with the conversion device, and capturing a visible-light image of the indicia with the sensor on the camera.
Claims27
A method of detecting UV-light-fluorescent indicia with a camera having a flash and a sensor comprising:
- mounting a visible-to-UV light conversion device over the flash;
- activating the camera to initiate a visible-light flash exposure;
- converting visible light from the flash to UV light with the conversion device;
- and
- capturing a visible-light image of the indicia with the sensor on the camera.
The method of claim wherein the conversion device further comprises a capacitor.
A method of authenticating an object comprising:
- mounting a visible-to-UV light conversion device over a flash on a camera or cell phone;
- activating the camera to initiate a visible-light flash exposure;
- converting visible light from the flash to UV light with the conversion device;
- capturing an image of indicia on the object with the sensor on the camera or cell phone;
- analyzing the captured image;
- comparing the analyzed image to stored information to determine a match;
- and
- authenticating the object if the captured image matches the stored information.
A method of detecting UV-light-fluorescent indicia with a cell phone having a flash and a sensor comprising:
- mounting a visible-to-UV light conversion device over the flash;
- activating the camera to initiate a visible-light flash exposure;
- converting visible light from the flash to UV light with the conversion device;
- and
- capturing a visible-light image of the indicia with the sensor on the camera.
Dependencies are inferred from the claim text.