brightup

alternative bright-up

1. uncountablebusinessA pulse of the beam (cathode ray) in a cathode ray tube that causes a blank screen to fluoresce.

   The effect of parasitic brightup of the picture tube glass on the accuracy of position measurements is considered.

   1969, V. D. Andreev, Theory of Internal Navigation Aided Systems (page 230)

   3 more examples

   Any variation of the apparent start of the trace indicates a brightup (unblanking) pulse with a poor leading edge, […]

   1971, Leslie Ernest Weaver, Television Measurement Techniques, page 358

   An additional output from the timebase section is the blanking pulse which biases back the grid of the c.r.t. during flyback; this may be supplemented by a “brightup' pulse which switches the beam on during the forward stroke

   1973, Ian Robertson Sinclair, Understanding Electronic Circuits, page 184

   […] but instead are used to modulate the oscilloscope brightness, one brightup of the beam corresponding to each fringe maximum.

   2013, C. F. Barnett, M. F. A. Harrison, Plasmas: Applied Atomic Collision Physics, Vol. 2 - Volume 2, page 201