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1239 results about "Contact plane" patented technology

Apparatus and method for determining an inclination of an elongate object contacting a plane surface

An apparatus and method for determining an inclination angle θ between an axis of an elongate object such as a cane, a pointer or a jotting implement such as a pen, pencil, stylus or the like and a normal to a plane surface at times when a tip of the elongate object is contacting that plane surface. The apparatus has an emitter mounted on the object for illuminating the plane surface with a probe radiation at an angle σ with respect to the axis of the object. The apparatus also has a detector mounted on the elongate object for detecting a radiation characteristic of a scattered portion of the probe radiation returning from the plane surface and a computing unit for deriving the inclination angle θ from the radiation characteristic. A scanning arrangement, such as a uniaxial or biaxial scanner, or a light guiding optic can be used for varying angle σ, and the probe radiation can be emitted in the form of a scan beam. Preferably, the emitter and detector of the scattered portion of the probe radiation are integrated and the scattered portion of the probe radiation whose characteristic is being measured is the back-scattered portion. The radiation characteristic detected by the detector can be the intensity, polarization, time-of-flight or any combination thereof.
Owner:ELECTRONICS SCRIPTING PRODS

Multiple signaling mouse with faceted surfaces

A conventional monoplane mouse is constructed to move on a flat surface upon a single plane within which a contained sphere may rotate tangential with the single plane contacting the flat surface. Signal for XY cursor movement are derived from two or more counting sensors positioned at an equator of the rotatable sphere parallel with the single plane. The mouse invention defines two or more facets in the underside housing. The facet mouse can be tilted to one of the exclusive facets and moved on a flat surface to generate XY signals. The facet plane selected by tilt is identified by triggered pressure sensitive switches at each facet plane. The switches also function as undercarriage feet to define the virtual plane of contact to the flat surface. The facet planes in two and four facet embodiments are oriented with the orthogonally placed sphere counting sensors so that the interest of any two opposing facets is parallel with the plane of rotation of one of the counting wheels. A single sphere and counter apparatus can serve all facets, being placed at the intersect of all facets. To aid the hand in applying continuous downward pressure to the mouse onto a preferred facet, a hinged and elevatable palm hood is attached to the top of the mouse. The mouse enables a new user interface beyond the tradition ones of: 1.clicking keys by a finger and 2.whole arm movement of a mouse on an XY surface. By a tilting wrist motion, the user may instantly and continuously toggle 2,4, or more selection assigned to the facets provided.
Owner:MAYNARD JR STUART TYRUS

Rotating shaft structure with automatic locking mechanism

The present invention discloses a rotating shaft structure with automatic locking mechanism, characterized in which a shaft extending axially from an axial member passes through, in sequence, the core hole of the upright frame plane of the main frame, a friction disc, a disc-like connecting part connected with the frame plane, a cam member comprising a fastening part and a sliding part, at least an elastic body, and a connecting segment on the free end of the shaft connected with a end enclosure so as to form axial pressure to constrain the elements described above. The shaft and the main frame are provided with a linking portion and a connecting portion, respectively. The outer and inner edges of the adjoining planes between the fastening part and the sliding part are provided with at least a wedge block and at least a wedge slot alternately so as to connect the fastening part and the sliding part together. Consequently, when the axial member rotates, the inclined plane of the wedge slot of the sliding part moves upward along the inclined plane of the wedge block and thus axially presses the elastic body so as to prompt the contact plane of the sliding part to rotate along the wedge blocks of the fastening part. When the axial member rotates reversely, the wedge slots of the sliding part move to the wedge blocks of the fastening part and, under the extending action of the elastic body, the wedge slots are engaged into the wedge blocks so as to form an automatic locking of butting joint.
Owner:HO CHI JUNG +2

Rotating shaft structure with automatic locking mechanism

The present invention discloses a rotating shaft structure with automatic locking mechanism, characterized in which a shaft extending axially from an axial member passes through, in sequence, the core hole of the upright frame plane of the main frame, a friction disc, a disc-like connecting part connected with the frame plane, a cam member comprising a fastening part and a sliding part, at least an elastic body, and a connecting segment on the free end of the shaft connected with a end enclosure so as to form axial pressure to constrain the elements described above. The shaft and the main frame are provided with a linking portion and a connecting portion, respectively. The outer and inner edges of the adjoining planes between the fastening part and the sliding part are provided with at least a wedge block and at least a wedge slot alternately so as to connect the fastening part and the sliding part together. Consequently, when the axial member rotates, the inclined plane of the wedge slot of the sliding part moves upward along the inclined plane of the wedge block and thus axially presses the elastic body so as to prompt the contact plane of the sliding part to rotate along the wedge blocks of the fastening part. When the axial member rotates reversely, the wedge slots of the sliding part move to the wedge blocks of the fastening part and, under the extending action of the elastic body, the wedge slots are engaged into the wedge blocks so as to form an automatic locking of butting joint.
Owner:HO CHI JUNG +2
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