Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical distance measuring system using a position sensitive device and a ramp generator driven light source

Optical distance measuring system using a position sensitive device and a ramp generator driven light source

US Patent 5055664 · Granted Oct 8, 1991

Estimated economic value: $3,578,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rotary position sensor/transducer employing rotor having color filtering2001
Isolated power supply for indicator light1999
Electro-optic voltage transducer with extended range and temperature compensatio1998
Combustion chamber pressure transducer and method of making same1996
Direct current sensor1996
Magneto-optical current measurement apparatus1996
Color sensor system using a secondary light receiver1995
Photoelectric color sensor1992
Adjustable frequency on/off delay circuit1986
ON/OFF delay circuit1985
One-shot delay timer1985
Comparator timer with dual function adjustment1985