Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/231
Name: Education and demonstration > Occupation > Keyboard operation (e.g., typing, key punching, etc.) > Practice keyboard having individually depressible keys
Description: Subject matter wherein the training is performed on a dummy keyboard having individual keys each of which can be depressed without affecting another key.










Sub-classes under this class:

Class Number Class Name Patents
434/232 With means to display character upon depression of key 7


Patents under this class:

Patent Number Title Of Patent Date Issued
7507893 Method for teaching music Mar. 24, 2009
6709273 Electronic keyboard instructor Mar. 23, 2004
6382854 Computer keyboard enhancement kit May. 7, 2002
5289389 Device for measuring response speed and accuracy Feb. 22, 1994
4867684 Organizer-keyboard Sep. 19, 1989
4044475 Training machine for keyboards Aug. 30, 1977











 
 
  Recently Added Patents
System and method for removing oxide from a sensor clip assembly
Flavonoid dimers and methods of making and using such
Fractal method for detecting and filling data gaps within LiDAR data
Automatic setup of reflector instances
Fusion of road geometry model information gathered from disparate sources
Resolution setting apparatus, resolution setting method, and recording medium recording a resolution setting program when a television is used as a monitor of a computer
Method and system for facilitating micropayments in a financial transaction system
  Randomly Featured Patents
Camper-trailer
Polycrystalline diamond compacts, methods of making same, and applications therefor
Power down sequence for electrically programmable memory
Method and device of earthquake resistant & energy reduction for high-rise structures
Camera with flange back adjusting mechanism
MRI apparatus with a feed forward loop inserted in the gradient loop
Binding for retaining an electrical conductor in a top groove on a rigid insulator which also has a circumferential groove
Calculator
Plant monitoring apparatus and storage medium
Communication system to monitor individual subscribers