Apparatus and a method for pulse detection and characterization

Examination of surface structure

Fire detector housing

Frictional pivots for gravitational alignment

Frictional pivots for gravitational alignment

Method and apparatus for determining the triacetin content...

Method and apparatus for safety testing optical systems for...

Method of determining the modulation transfer function

Method of sorting semiconductor lasers

Non-imaging optical detector with variable field-view

Particle detector

Phase compensator for coupling an electromagnetic wave into...

Rotation speed measuring machine for flying globe

Test system for wave guide arc detector circuits

Thin micropolarizing filter, and a method for making it

Ultrasonic transducer calibration

Visual prominence meter

Waveform sampler