Class 33/1P - Sonic wave

Subclass of Class 33 - Geometrical instruments
No. of patents: 4
Last issue date: 10/17/2006

Number	Title	Issue Date
7123354	Optical position measuring device An optical position measuring arrangement that includes an incremental measuring graduation and a scanning unit, which can be moved in relation to the incremental measuring graduation along a measuring direction and by which position-dependent incremental signals ar...	10/17/2006
6965378	Coordinate input apparatus, coordinate inputting method, information display system and storage medium and program To provide a coordinate input apparatus with higher resolution and excellent agility in terms of usage, without causing reduction in the detection speed of input light. At the time of calculating coordinate data of a predetermined ordinal number, a readout portion o...	11/15/2005
5763838	Apparatus for weighing a grown crystal The disclosed apparatus weighs a grown crystal that is being pulled from melt thereof. The lower end of a rope of known weight is connected to the crystal, while the upper end of the rope is connected to the drum of a rope-winding unit. The rope-winding u...	06/09/1998
3983374	Digital system for slope and curvature control A digital control system is provided for controlling the indexing of the focussed beam of an ultrasonic transducer over a sloped or curved surface of a workpiece being inspected for flaws. To index the transducer to follow a sloped surface on the workpiec...	09/28/1976

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