|
US3575494A
|
|
Virtual image correction lens system
|
|
US3610797A
|
|
Method and apparatus for controlling the position of two elements having a discontinuity in their positional relationship
|
|
US3388373A
|
|
Sea-life locator
|
|
US3388372A
|
|
Determination of ocean sound velocity profiles
|
|
US3395318A
|
|
Circuit board card arrangement for the interconnection of electronic components
|
|
US3354460A
|
|
Redudant runway localizer landing system
|
|
US3437912A
|
|
Constant potential power supply
|
|
US3437816A
|
|
Energy correlator employing crossed endless belts with slits therein
|
|
US3399572A
|
|
Vibrating beam pressure transducer
|
|
US3359726A
|
|
Variable volume, variable pressure hydraulic power supply
|
|
US3453548A
|
|
Circuit for converting three-phase potentials into two-phase potentials
|
|
US3437815A
|
|
Solid state scanning arrangement for determining location of a light spot on a panel
|
|
US3344279A
|
|
Electroluminescent display matrix with long persistence
|
|
US3344280A
|
|
Electroluminescent-photoconductive display with long persistence
|
|
US3391683A
|
|
Grove heater
|
|
US3316498A
|
|
Voltage controlled oscillator having forward biased diode
|
|
US3358281A
|
|
Integrator
|
|
US3386029A
|
|
Phase converter utilizing amplifiers and feedback means
|
|
US3431934A
|
|
Self-modulating pulse fluid switching valve
|
|
US3300765A
|
|
Digital computer system
|
