Mechanisms For Stabilizing Frequency (magnetic Subclass 497; In Striking Mechanisms Subclass 224; Stopping And Regulating Of The Running Subclass 234; Electrical And Thermoelectric Regulating Mechanisms Subclass 496) [g04b 17/00] Patents (Class 968/103)
Cross-Reference Art Collections
- With oscillating blade springs (mechanical oscillations maintained by electromagnetic means, e.g., tuning forks, etc. subclass 548) [G04B 17/04B] (Class 968/108)
- Oscillators with hairsprings, e.g., balance, etc. (electrically driven balances subclass 466; contacts actuated by a balance subclass 546) [G04B 17/06] (Class 968/109)
- Oscillators with coil springs stretched and unstretched axially [G04B 17/08] (Class 968/112)
- Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g., weight oscillating in a horizontal plane, etc. (electrically driven torsion pendulum subclass 464) [G04B 17/10] (Class 968/113)
- By displacement of devices carried by the pendulum or by adjusting the pendulum length (pendulums and suspension subclass 105; self-adjustment of the regulating lever subclasses 122, 123, and 509; adjusting the stroke of the pendulum subclass 123; indicating by acoustic means subclass 217; synchronization with a standard clock subclass 509; metronome with a variable length subclass 821) [G04B 17/12B] (Class 968/115)
- By adjusting the devices fixed on the balance (construction of the pendulum subclass 110; balancing subclass 132) [G04B 17/12C] (Class 968/116)
- Adjustment devices [G04B 17/14] (Class 968/117)
- For the effect of variations of temperature (alloys with small expansion coefficient C21C, C22C; adjustment of the regulator dependant on adjustment of the hands subclass 122; depending on the difference in time with a comparison clockwork subclass 509) [G04B 17/22] (Class 968/126)
- For the effect of variations of atmospheric pressure [G04B 17/24] (Class 968/130)
- For the effect of variations of the impulses [G04B 17/26] (Class 968/131)
- For the effect of unbalance of the weights, e.g., tourbillon, etc. (construction of the balance subclass 110; setting the frequency by adjusting devices fixed on the balance subclass 116) [G04B 17/28] (Class 968/132)