Patent ID: 7474353
Filing Date: 2009-01-06
Classification: H04N

Abstract:
1. A digital camera comprising: a switch device which includes a knob having a shaft portion; a body of the digital camera having a shaft portion insertion hole into which the shaft portion of the knob is rotatably inserted; a connecting terminal made of material having springy characteristic which is attached to an inner face side of the body and adapted to rotate along with the rotation of the knob; and a switch board having divided arc-shaped patterns which are adapted to be contacted with the connecting terminal, wherein: the knob includes: a plurality of body engaging claws which are provided on a peripheral face of the shaft portion of the knob, and adapted to be engaged with an inner face of the body; a plurality of terminal engaging portions which are provided on the peripheral face of the shaft portion of the knob, and respectively have inclined face parts; a central protrusion which is provided on an end face of the shaft portion of the knob at a position corresponding to a rotation center; and a rotation detent protrusion which is provided on the end face of the shaft portion of the knob spaced from the central protrusion by a determined distance; the body includes a plurality of rotation positioning holes for positioning rotation angles of the knob which are arranged on the inner face of the body circumferentially at a determined radius from the rotation center of the knob, each having an oval shape extending in a radial direction with respect to the rotation center of the knob; and the connecting terminal includes: