Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self-powered long-life occupancy sensors and sensor circuits

Self-powered long-life occupancy sensors and sensor circuits

US Patent 7576647 · Granted Aug 18, 2009

Estimated economic value: $11,908,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Portable handheld artificial light detector2010
Self-powered long-life occupancy sensors and sensor circuits2009
Portable handheld artificial light detector2009
Self-powered long-life occupancy sensors and sensor circuits2008
Portable handheld artificial light detector2007
Self-powered long-life occupancy sensors and sensor circuits2005
Highly versatile occupancy sensor2001
Occupancy sensors for long-range sensing within a narrow field of view2001
Interface circuitry for facilitating installation of a control device1999
Occupancy detector1997
Control unit for occupancy sensor switching of high efficiency lighting1995
Passive infrared intrusion detection system1989