TREA

Mechanisms for stabilising frequency

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Industry

  • CPC
  • G04B17/00
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Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS

Current Industry

G04B17/00Mechanisms for stabilising frequency

Sub Industries

G04B17/005Regulating mechanisms where the movement is maintained by pneumatic means G04B17/02Oscillators acting by gravity G04B17/025Composite and multiple pendulums; Synchronisation of mechanical pendulums G04B17/04Oscillators acting by spring tension G04B17/045with oscillating blade springs G04B17/06Oscillators with hairsprings G04B17/063Balance construction G04B17/066Manufacture of the spiral spring G04B17/08Oscillators with coil springs stretched and unstretched axially G04B17/10Oscillators with torsion strips or springs acting in the same manner as torsion strips G04B17/20Compensation of mechanisms for stabilising frequency G04B17/22for the effect of variations of temperature G04B17/222with balances G04B17/225with pendulums G04B17/227composition and manufacture of the material used G04B17/24for the effect of variations of atmospheric pressure G04B17/26for the effect of variations of the impulses G04B17/28for the effect of unbalance of the weights G04B17/285Tourbillons or carrousels G04B17/30Rotating governors G04B17/32Component parts or constructional details G04B17/325for fastening the hairspring in a fixed position G04B17/34for fastening the hairspring onto the balance G04B17/345Details of the spiral roll
Industries

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