Patent ID: 8537435
Filing Date: 2013-09-17
Classification: H04N

Abstract:
1. An image scanning apparatus comprising: a document glass on which a document is to be placed; a substrate provided below the document glass and having first and second surfaces that are at an oblique angle with respect to the document glass, the first surface facing the document glass and the second surface being opposite the first surface and facing away from the document glass; a first semiconductor light emitting element disposed on the first surface and configured to emit light in a direction towards the document glass; a second semiconductor light emitting element disposed on the second surface and configured to emit light in a direction away from the document glass; a light guiding section configured to receive light emitted from the second semiconductor light emitting element and direct the received light towards the document glass; and a light receiving section configured to receive light emitted from the first and second semiconductor light emitting elements that has been reflected from the document.