Active hydrogen maser atomic frequency standard

Atomic beam frequency standard having RF chain with higher frequ

Atomic clock employing ion trap of mono- or multi-planar geometr

Atomic clock system with improved servo system

Atomic frequency oscillator

Atomic frequency standard based upon coherent population...

Atomic frequency standard using digital processing in its freque

Atomic frequency standard using free induction technique

Atomic frequency standard using optical pumping for state prepar

Atomic or molecular beam frequency standard with optical pumping

Autolock for resonators for frequency standards

Cesium oscillator

Compact optically pumped resonance system and apparatus

Compensation of long term oscillator drift using signals from di

Digital frequency generation in atomic frequency standards using

Evacuated, wall-coated, sealed, alkali atom cell for an atomic f

Fine tuning of atomic frequency standards

Frequency stabilization utilizing multiple modulation

Frequency stabilizing system and method for beam type device

High accuracy frequency standard and clock system