Device for the non-destructive measurement of the remanent flux
Device for use in testing a modem coupled to a telephone line by
Diagnostic connection means for vehicle mounted radio
Diagnostic overlay
Dielectric apparatus and method utilizing resonance for humidity
Dielectric induction logging system for obtaining water and resi
Dielectric test unit
Dielectric well logging means and method utilizing the signals f
Dielectric well logging system and method with error correction
Dielectric-constant measuring apparatus
Digital apparatus for rapidly detecting the growth of and identi
Digital arithmetic synthesizer phase lock loop with direct doppl
Digital C/kT meter
Digital circuit for measuring relative frequency in separate pul
Digital device for measuring the frequency of an electrical sign
Digital dwell-tachometer with points resistance indication capab
Digital frequency detector
Digital frequency deviation detector useful in a television tuni
Digital frequency deviation meter
Digital frequency display device