Tektronix, Inc.

Other

Lawrence J Miller

William W Stein

Raymond W Born

Donald P Chitwood

A pattern of conductor runs is formed on a sheet of dielectric material using a carrier foil having a coating material adhered to one main surface thereof. The coating material contains particles of metal. The carrier foil is placed with its coated surface in contact with the sheet. The coating material is detached from the carrier foil over selected areas of its coated surface, and the detached coating material is adhered to the sheet.

Method of forming a pattern of conductor runs on a sheet of dielectric

The cathode-ray-tube beam deflection of an oscilloscope is automatically calibrated by photoelectrically detecting the intersection of the tube's electron beam with visible graticule lines on the tube's faceplate. An input signal is compared, at the time of intersection, with stored values representative of the graticule lines, and the deflection amplifier gain of the oscilloscope is adjusted until the graticule lines properly represent the measurement of the input signal.

Method and apparatus for calibrating deflection in an oscilloscope

A self-centering, self-aligning, anti-friction power transmission mechanism comprising a rotor cooperable with a screw to convert rotary movement to linear movement and vice versa. The rotor has one or more convolutions of rollers having their axes arranged in a helical path of the same pitch as the screw thread with their inner ends positioned to have non-scuffing, non-slipping rolling line contact with the screw thread, a result obtained by off-setting each roller axis downwardly along the helix from the line of contact by a distance such that the line of contact and the rotor axis lie in a common plane parallel to the roller axis. The screw thread is preferably of the Acme type with a sidewall taper initially slightly less than the taper of the roller ends in contact therewith whereby, in use under load, the rollers cause cold flow and work hardening of the thread sidewall thereby substantially increasing the length of the line of contact between the rollers and the screw thread.

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Hillsboro, OR, United States of America

Lawrence J Miller