Universal digital time delay relay having a multistate indicator

Universal field convertible 3-wire switch

Universal instrument flag receiver

Universal logic circuit

Universal logic circuit modules

Universal logic module comprising multiplexers

Universal power transistor base drive control unit

Universal register

Universal reset circuit for digital circuitry

Unpowered fast gate turn-off FET

Unwanted signal suppression device

Up/down switch and switching signal generator

Update synchronizer

Use of floating diffusion for low-noise electrical inputs in CCD

User control arrangement for controlling a plurality of function

User programmable integrated circuit interconnect architecture a

User-writable random access memory logic block for programmable

Using delay to obtain high speed current driver circuit

Utilizing a depletion mode FET operating in the triode region an

V-Groove charge-coupled device