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Apparatus for measuring unknown time intervals by mechanical means
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Industry
CPC
G04F7/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
G
PHYSICS
G04
Horology
G04F
TIME-INTERVAL MEASURING
Current Industry
G04F7/00
Apparatus for measuring unknown time intervals by mechanical means
Sub Industries
G04F7/02
by measuring the distance of fall or the final velocity of a falling body
G04F7/04
using a mechanical oscillator
G04F7/06
running only during the time interval to be measured
G04F7/062
with reset mechanisms
G04F7/065
with start-stop control arrangements
G04F7/067
with a single push-button or actuation member for start-stop and reset
G04F7/08
Watches or clocks with stop devices
G04F7/0804
with reset mechanisms
G04F7/0809
with single hammers
G04F7/0814
with double hammer
G04F7/0819
with triple hammer
G04F7/0823
with couplings between the chronograph mechanism and the base movement
G04F7/0828
acting in the plane of the movement
G04F7/0833
acting perpendicular to the plane of the movement
G04F7/0838
involving a tilting movement
G04F7/0842
with start-stop control mechanisms
G04F7/0847
with column wheel
G04F7/0852
with member having a rotational two-way movement
G04F7/0857
with single push-button or actuation member for start-stop and reset
G04F7/0861
actuated by other than push-buttons
G04F7/0866
Special arrangements
G04F7/0871
with multiple chronograph functions
G04F7/0876
Split-time function
G04F7/088
with display of fraction of seconds
G04F7/0885
Modular constructions involving interchangeability with one or more chronograph modules on a single base movement
G04F7/089
indicating measured time by other than hands
G04F7/0895
with a separate barrel for the chronograph functions
G04F7/10
Means used apart from the time-piece for starting or stopping same
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