Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Alarm system with alarm message supervision

Alarm system with alarm message supervision

US Patent 4622539 · Granted Nov 11, 1986

Estimated economic value: $6,455,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for complementary cumulative distribution driven level conv2012
System, method and apparatus for managing communication in a public safety commu2012
Method and apparatus for detecting and identifying spectrum opportunities2012
System and method for performing communication in a wireless communication netwo2011
Data transmission and reception within a spread-spectrum communication system2006
Signal combining within a communication system2005
Method and apparatus for timing recovery in a communication device2005
Method and apparatus for reducing power consumption of a communication device2001
Method and apparatus for compensating input threshold variations on input buffer2001
Frequency divider circuit1995
Apparatus for improving the reliability of an alarm circuit1989
Fail-safe alarm circuit1988