Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/228
Name: Education and demonstration > Occupation > Keyboard operation (e.g., typing, key punching, etc.) > Means for selectively illuminating character on simulated keyboard
Description: Subject matter including a replica (such as a display panel) of an actual keyboard, with a light associated with each key or representation so that a character can be illuminated to indicate that it is to be typed.










Patents under this class:

Patent Number Title Of Patent Date Issued
7209730 Telephone adapted for emergency dialing by touch Apr. 24, 2007
6941125 Telephone adapted for emergency dialing by touch Sep. 6, 2005
5011412 Educational keyboard with removable keys Apr. 30, 1991
4468203 Classroom demonstration calculator Aug. 28, 1984
4378217 Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items Mar. 29, 1983











 
 
  Recently Added Patents
Laser marking of a card
Superagonistic anti-CD28 antibodies
Permutational memory cells
Image forming apparatus
Graphical user interfaces and occlusion prevention for fisheye lenses with line segment foci
Sponge
Reflective non-invasive sensor
  Randomly Featured Patents
Method of compensating for residual aligning torque (RAT)
Apparatus for pressurized screening of a fibrous material liquid suspension
Jamming detection in a wireless security system
Durable abrasive articles with thick abrasive coatings
Flexible, aqueous, controlled emission electrochemical cell
Electric, guidance and tire path configuration for a people mover guideway
Apparatus for removing unused thread from a spool
Radio frequency identification tag and method of manufacturing the same
Automobile
Apparatus for high-speed accurate counting and handling of discrete objects such as tablets