Patent ID: 9319561
Filing Date: 2016-04-19
CPC Classification: H04N

Claim Text:
1. An image reading apparatus comprising: a reading unit which reads out an original document, and includes a light emitting unit which emits light to the original document, and a light receiving unit which has a light receiving element that receives reflected light of the light which is reflected on the original document; an operation unit which is provided in the vicinity of the reading unit, and operates by being heated when reading the original document using the reading unit; a determination unit which determines whether a temperature heated by the operation unit is in a predetermined range based at least on a dark period measurement data, wherein the dark period measurement data is read out using the reading unit when the light emitting unit is turned off; and a control unit which controls the reading unit and the operation unit so that read processing which reads out the original document is to be performed when the temperature heated by the operation unit is determined to be in the predetermined range, and reduces the operation of the operation unit in comparison to the read processing when the temperature heated by the operation unit is determined not to be in the predetermined range.