(i9) United States
(12) Patent Application Publication oo) Pub. No.: US 2007/0181691 Al
Chang (43) Pub. Date: Aug. 9,2007
(75) Inventor: Feng-Lin Chang, Taipei (TW)
Correspondence Address:
BACON & THOMAS, PLLC
625 SLATERS LANE
FOURTH FLOOR
ALEXANDRIA, VA 22314
(73) Assignee: Simpleact Incorporated, Taipei (TW)
(21) Appl. No.: 11/350,030
(22) Filed: Feb. 9, 2006
The present invention discloses a system and method for information retrieval by decoding barcodes from images obtained using a mobile device or computer. The barcode image is obtained via a digital camera or web cam attached to the mobile device or computer. After the barcode image has been obtained, the image is decoded using decoder residing in the mobile device or computer. Information contained in the barcode is displayed on the screen of the mobile device or computer. Further action is carried out according to information extracted from the barcode. Another method to decode the obtained image is to transmit the image through HTTP protocol to a server for decoding and carrying out instruction contained in the barcode.
