Patent ID: 7333248
Filing Date: 2008-02-19
Classification: G02B,H04N

Abstract:
1. A method for fastening adjustable optical lenses, the method suited for a scanning chassis and used for fastening an optical-lens group, the scanning chassis comprising a case, a light source, a reflector group and an optical sensor, the light source, the reflector group and the optical sensor being mounted in the case, the light source being used for illuminating a document and an image of the document being obtained, the reflector group reflecting the image of the document to transmit the image to the optical sensor through the optical-lens group, and the method comprising: forming an optical-lens pedestal in the case, the optical-lens pedestal comprising at least one groove; and mounting the optical-lens group in a fixed position relative to the optical sensor on the at least one groove of the optical-lens pedestal, the optical-lens group located between the optical sensor and the reflector group, the optical lens group comprising two or more optical lenses, and the optical-lens group capable of receiving the image of the document and forming the image onto the optical sensor.