Tektronix, Inc.

Brian G Russell

Preston S Gabel

William R Pooley

Kenneth P Dobyns

Robert R Kreitzer

Jay Calkin

Ian Patrick Anderson

Christopher R Coleman

David B Johnson

Joseph Haines

Theodore S Hetke

Wayne W Munroe

Scott L Harris

An electrical probe for a flying leadset of a logic analyzer probe has coaxially aligned internal elements enclosed in an insulating cover. The probe has an electrically conductive contact having contact fingers extending in one direction from a support member and a contact member extending in the opposite direction. A sleeve abuts the contact member and receive a center conductor of a conductive cable that is secured in the contact member. The insulating cover has a contact cover portion and a over-mold portion that are chemically bonded together. The contact fingers are positioned in the contact cover and the over-mold portion encapsulates the rest of the probe. The contact fingers are aligned parallel with one side of a square aperture formed in the contact cover. A resistive element may be interposed between the contact member and the sleeve.

Electrical probe

A rear-mount integrated rotary encoder comprises a mechanical portion and a printed circuit board portion. The mechanical portion of a rear mount integrated rotary encoder comprises a housing including a bushing for receiving one end of a rotatable. The rotatable shaft passes through an open front portion of the housing and is mechanically connected to exposed rotatable circuit contacting members. The printed circuit board portion has an encoder contact pattern formed thereon. The printed circuit board has an area larger than the cross sectional area of the housing. The encoder contact pattern surrounds an aperture in the circuit board. The rotatable shaft of the rotary encoder is passed through the aperture such that the rotatable circuit contacting members contact the encoder contact pattern on the circuit board. The housing includes projections, substantially orthogonal to the circuit board, for engaging a feature of the circuit board for securing the integrated encoder in an assembled state. Alternatively, the housing may glued to the circuit board. A further feature of the subject rear-mount integrated rotary encoder is that it is substantially cylindrical in shape to reduce the required spacing between adjacent encoders.

Rear mounted integrated rotary encoder

A cooling system for a test and measurement instrument including a variable-speed fan, useful with different instruments having different configurations, employs a plurality of sensors disposed at predetermined locations within an enclosure of the instrument, and is software programmable with predetermined parameters of each particular configuration of each particular instrument. At least one of the sensors measures the temperature of a component that dissipates power at a substantially constant rate, and at least one of the sensors does not include a heat source to provide heat for measurement.

Thermal control for a test and measurement instrument

An electronic instrument with a housing having a front surface and a rear surface. A user interface is located on the front surface. A movable handle having a grip portion is connected to the housing and is movable between a first carrying position in which at least a portion of the grip is forward of the rear surface and a first stabilizing position in which at least a portion of the grip is rearward of the rear surface. The handle may movable to other stabilizing positions, and the housing may include a front prop to provide additional stability and alternative viewing angles.

Instrument with multiple position support handle

An electronic instrument includes a housing having opposed end surfaces each including a handle mount. A bail handle with an elongated middle portion has extending arms connected at opposite ends, and the arms have free ends for connection at the handle mounts. The handle pivots between a first stable position and a second stable position about a pivot axis passing through the handle mounts. A pair of detent mechanisms each have a first portion connected to the housing, and a second portion connected to the handle, and each detent mechanism includes a spring which urges the first and second portions toward each other along the pivot axis.

Electronic instrument with multiple position spring detented handle

An elongated bail handle for an electronic instrument housing with opposed ends providing handle mounts. The handle has an elongated intermediate portion extending the width of the instrument, and a pair terminal arm portions each connected to the intermediate portion and having a free end for connection to a respective end surface of the housing. The intermediate portion defines an elongated bore, and a reinforcing bar laterally spans the bore to connect opposed walls of the intermediate portion. The arm and bore may have an oblong cross section, with the bar spanning the short span. The bar may define a passage, and an overmolded handle grip encompassing the reinforcing bar may have material filling the passage to secure it to the handle.

Growing community of inventors

Tigard, OR, United States of America

Brian G Russell