Heart pacer monitoring receiver

High resolution time interval measurement apparatus and method

Hour meter

Improved on demand useful life indicator and method of...

Improvements in or relating to electronic timing systems

Instrument mounting assembly

Interval timer mechanism

Labor monitoring device

Means for mounting terminal blades in a housing of a timer

Measurement averaging counting apparatus employing a...

Measurement of average duty cycle

Measurement of minimum of a series of time intervals

Measuring foot contact time and foot loft time of a person...

Mechanical timer fail-safe mechanism

Mechanical timer including cam operated clapper and chime

Medical timer

Meter for intergrating the operating time of a steam trap

Method and apparatus for detecting a projectile leaving the...

Method and apparatus for reduction of light intensity decay...

Method and apparatus for the measurement of response time in...