Programmable alarm system for marine loading arms

Projected light plumb device

Projection apparatus

Projector level

Proper frequency tracker for fiber optic sensing coil

Protective circuit for compass repeater amplifier systems

Protective stops for a flexure suspended gyroscopic rotor

Protractor level

Proximity triggered job scheduling system and method

Pulse width modulated binary rebalance rate capture loop...

Pulse width modulation drive signal for a mems gyroscope

Quick setting angle device for a welding torch

Radiation insensitive fiber light source for interferometric...

Radio frequency excited ring laser gyroscope

Range and velocity sensing system

Range detecting method and apparatus

Range finder

Range finder with calibrated flexible measuring tape

Range scanner motion estimation method and device

Rangefinding and focusing system for photographic cameras...