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US 7,796,474 B2Granted
Clock diagnostics
AssigneeThe Sapling Company, Inc.
InventorIlan Shemesh
Life of this patent
Estimating the term…
Abstract
Disclosed is a clock for use in a master/slave clock system, including a system and method for semi-automatically performing diagnostic self-tests on the status and operability of a plurality of components of one or more secondary clocks. The invention addresses a multitude of diagnostic and problem detection issues, including “no fault found.”
Claims3
A clock comprising:
- an analog slave clock including display hands driven by at least one stepper motor coupled to the hands by gears, the slave clock further configured to be coupled to a master clock;
- and
- means entirely within the slave clock for initiating and performing a diagnostic test entirely within the slave clock to determine operability of the gears and motor by gear box sensors upon activation of a control device, and to display results of the diagnostic test via a display device at the slave clock.
Dependencies are inferred from the claim text.