Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus and method using non-contact light sensing with selective field of view, low input impedance, current-mode amplification and/or adjustable switching level

Apparatus and method using non-contact light sensing with selective field of view, low input impedance, current-mode amplification and/or adjustable switching level

US Patent 5691700 · Granted Nov 25, 1997

Estimated economic value: $11,916,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electric powered systems for paving machines2016
Method and apparatus for determining a cross slope of a surface2002
Photo-acoustic leak detection system2001
Method and apparatus for determining a cross slope of a surface2001
Inclination sensor and method of measuring the accuracy thereof2000
Method and apparatus to diffract multiple beams2000
System to control the power of a beam2000
Fail safe gas furnace optical flame sensor using a transconductance amplifier an2000
Fail safe gas furnace optical flame sensor using a transconductance amplifier an2000
Apparatus and method for control of an earth moving implement1999
Low emission combustion system1998
Photo-acoustic leak detector with multiple beams1998