Rod Bristol

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Lloyd Rodney Bristol (? – ?)

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Patents by Lloyd Rodney Bristol

Page Office Number Title Inventors Company Filing date Grant date
Patent US 4495470A US 4495470A Offset balancing method and apparatus for a DC amplifier Lloyd Rodney Bristol Tektronix Inc 1983-02-07 1985-01-22
Patent US 4553091A US 4553091A Automatic vertical calibration method and system for an oscilloscope Lloyd Rodney Bristol Tektronix Inc 1983-02-07 1985-11-12
Patent US 4575661A US 4575661A Multiplexed display interference compensator Lloyd Rodney Bristol Tektronix Inc 1983-02-07 1986-03-11
Patent US 4581585A US 4581585A Apparatus and method for automatically calibrating a sweep waveform generator Lloyd Rodney Bristol Tektronix Inc 1983-02-07 1986-04-08
Patent US 4667135A US 4667135A Z-axis orthogonality compensation system for an oscilloscope Lloyd Rodney Bristol Tektronix Inc 1983-02-07 1987-05-19
Patent US 4567405A US 4567405A Oscillographic device for displaying multiple continuous waveforms Lloyd Rodney Bristol Tektronix Inc 1983-11-28 1986-01-28
Patent US 4628254A US 4628254A Method for digitally measuring waveforms Lloyd Rodney Bristol Tektronix Inc 1984-01-16 1986-12-09
Patent US 4686523A US 4686523A Cursor display for oscilloscopes Lloyd Rodney Bristol Tektronix Inc 1984-01-31 1987-08-11
Patent US 4590407A US 4590407A Scale illumination lamp control circuit for an oscilloscope Lloyd Rodney Bristol Tektronix Inc 1984-02-03 1986-05-20
Patent US 4647915A US 4647915A Method and apparatus for adjusting displayed oscilloscope parameters Gordon Shank Lloyd Rodney Bristol Tektronix Inc 1984-10-29 1987-03-03
Patent US 4644337A US 4644337A Method and apparatus for controlling oscilloscope displayed menu selection Gordon Shank Lloyd Rodney Bristol David H. Eby Jeffrey A. Kleck Tektronix Inc 1984-10-29 1987-02-17
Patent US 4782285A US 4782285A Variable resolution control system Lloyd Rodney Bristol Alfred K. Hillman Tektronix Inc 1987-10-19 1988-11-01