3-D weather display and weathercast system
A.C. Bridges
AC Detector for DC ground faults and high capacitance in high-vo
Access module
Acoustic diagnostic system for contacts in power distribution sy
Acoustic test apparatus for electrical networks including multi-
Acoustic waveguides for sensing and locating corona discharges
Acousto-optic analyzer with dynamic signal compression
Act device with buffer channel
Active load network
Active negative sequence cable monitor
Adaptive bandwidth signal encoder
Adaptive frequency to digital converter system
Adaptive pitch detection system for voice signal
Adaptor for an electrometer probe to permit contact potential me
Adaptor to facilitate testing of a lamp holder
Addressable shadow port and protocol with remote I/O, contol and
Adjustable magnetic gradiometer
Advance and retard timing light
Airborne microwave refractometer