Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Single terminal detection system

Single terminal detection system

US Patent 4224608 · Granted Sep 23, 1980

Estimated economic value: $163,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Individual smoke detector with stored range of acceptable sensitivity1998
Individual smoke detector with sensitivity calibration and monitoring1997
Smoke detector with individually stored range of acceptable sensitivity1996
Smoke detector with individual sensitivity calibration and monitoring1996
Supervised PIR motion-detection system1995
Passive infrared detection system with substantially uniform sensitivity over mu1990
Dual technology intruder detection system with modular optics1988
Smoke detector housing1987
Folded optical system for radiation detection device1987
Multiple field-of-view optical system1984
Intruder detector housing1981