Patent Document ID: 9030717
Application ID: 14156195

Base Claim:
1. An image reading apparatus comprising: an image generator for generating an input image by reading a document; a document-type identification module for identifying at least, a business card, a receipt, and a plastic card as a type of the document; and an image compressor for compressing the input image, wherein the image compressor determines a compression ratio for compressing the input image, based on the type of the document.

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Claim 2:
2. The image reading apparatus according to claim 1 , further comprising: a document-size calculator for calculating a size of the document; an ultrasonic sensor for receiving an ultrasonic wave which passes the document; and an infrared sensor for receiving an infrared ray reflected from the document, wherein the document-type identification module identifies the type of the document based on the size of the document, an intensity of the ultrasonic wave received by the ultrasonic sensor, and an intensity of the infrared ray received by the infrared sensor.