Glasses for image viewing
View Patent ↗Glasses of present invention includes a frame portion which includes an opening through which an image displayed on a displaying device is viewed with bilateral eyes, a temple portion configured to be capable of being opened and closed against the frame portion and which includes spring material capable of being inelastically deformed, a movable portion arranged at one of the temple portion and the frame portion and which contacts to the other of the temple portion and the frame portion when the temple portion is opened to the maximum while the contacting position is movable, and a contacting portion which is arranged at the other of the temple portion and the frame portion and which contacts to the movable portion when the temple portion is opened to the maximum and varies the maximum open amount of the temple portion corresponding to movement of the movable portion.
1. A glasses-shaped liquid crystal shutter holder capable of being worn over ordinary correction glasses for viewing three-dimensional video images, said holder comprising:
a frame portion having two polarizing plates and two liquid crystal shutters to enable alternating switching polarization states synchronized with the video images for a right eye and a left eye of a user;
a temple portion which is configured to be capable of being opened and closed against the frame portion and which includes a spring member capable of being inelastically deformed;
a movable portion which is arranged at one of the temple portion and the frame portion and which contacts to the other of the temple portion and the frame portion when the temple portion is opened to the maximum while a contacting position is movable; and
a contacting portion which is arranged at the other of the temple portion and the frame portion and which contacts to the movable portion when the temple portion is opened to the maximum and varies the maximum open amount of the temple portion corresponding to movement of the movable portion.
2. The holder according to claim 1 ,
wherein the contacting portion has plural planes with respective varying depths.
3. The holder according to claim 1 ,
wherein
the movable portion includes a protrusion which contacts to the contacting portion, and
the contacting portion is a bottom face of a groove to which the protrusion is inserted.
4. The holder according to claim 1 ,
wherein the movable portion is a rotating member which rotates around a rotation shaft.
5. The holder according to claim 1 ,
wherein the movable portion is a slide member which slides in a predetermined direction.