Device for measuring the velocity of a magnetically...

Device for sensing projectile velocity in an underwater...

Digital intervalometer

Digital time interval sensor using a free running counter and a

Elapsed time indicator and electrolytic timer cell

Electronic recorders

Electronic velocimeter having an oscillator coupled coil for mea

Electronics system for use with projectile firing devices

Fast reset integrator

Laser screen

Measurement averaging counting apparatus employing a randomly ph

Measurement of pulse duration

Method and apparatus for detecting a projectiles flight path by

Method and apparatus for measuring time interval between two pul

Method and apparatus for providing information from a speed...

Method and apparatus for providing information from a speed...

Method and arrangement for determining the velocity of a vehicle

Method and device for determining the speed of vehicles via deri

Method of determining the speed of railway vehicles, in particul

Method of measuring the duration of a discontinuous signal