Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Case for camera
Distributed mobile access point acquisition
Methods and apparatus for ultrasonic cleaning
Artificial engine sound control unit, approaching vehicle audible system, and electric vehicle having them
Method of forming an isolation structure
Drug delivery system
System and method of detecting and locating intermittent and other faults
  Randomly Featured Patents
Air duct block for air/water underdrain systems in gravity filters
Catalyst for selective NO.sub.x reduction using hydrocarbons
Hand held precision X-ray source
Combined air cleaner resonator
System and method for adaptive broadcast radar system
Telephone acoustic coupler base
Information apparatus installing desk
Grate for coal stove
Telephone handset
Handle for surgical forceps and the like