Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 181/162
Name: Acoustics > Diaphragm > With direct mechanical connection to drive unit > Stylus bar
Description: Subject matter wherein the driver unit is a needle or holder furnished with an abrasive-resistant tip.

Patents under this class:

Patent Number Title Of Patent Date Issued
7918309 Apparatus for producing a continuous sonic boom Apr. 5, 2011
5081387 Pump motor/basket brake for an automatic washer Jan. 14, 1992

  Recently Added Patents
Supply voltage generating circuit and semiconductor device having the same
Coordinate measuring device and method for measuring with a coordinate measuring device
Method for fabrication of a semiconductor device and structure
Data center management unit with improved disaster prevention and recovery
Laser receiver for detecting a relative position
Semiconductor element-embedded wiring substrate
Performance venue with dynamic mechanical load management system and method
  Randomly Featured Patents
Triggering server state changes with references
Adhesion and bonding of multi-layer articles including a fluoropolymer layer
Symbol decoding method and apparatus
Laminated inductor stacking and calibrating apparatus
Secondary power utilization during peak power times
Vertical motion compensation for a crane's load
Device for attaching an agricultural implement to a tractor
Electric periodontal massager
Strapping head assembly for a wrapping machine