Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 84/131
Name: Music > Instruments > Automatic > Selectors > Winding and rewinding > Speed control > Compensation for diameter
Description: Means to keep the tempo constant as the diameter of the take-up roll increases.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Methods and systems for use in tracking targets for direction finding systems
Pressure-applying member, fixing device, and image forming apparatus
Insulin derivative
Three-dimensional holographic display using active shutter
Multi-wired antenna for mobile apparatus
Motion control system and X-ray measurement apparatus
  Randomly Featured Patents
Ozone storage/recovery method
Method of making an electrical connector
Passive termination for redundant telecommunication receivers connected to a single twisted pair
Method for adjusting the focus and power of a trimming laser
Reduction of SO.sub.x in regenerator off gas of a fluid cracking unit
Apparatus for ensilaging and fermenting
Automatic probe feeding, setting and withdrawing apparatus
Photoconductive imaging members
Hydraulic antivibration device and hydraulic antivibration assembly containing the same
Gap measuring apparatus and method