Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/344
Name: Education and demonstration > Question or problem eliciting response > Correctness of response indicated to examine by self-operating or examinee actuated means > By means including electrical component > Correct answer illuminated
Description: Subject matter wherein the correct answer to a question or problem is present on a carrier surface but is not visible to an examinee until the correct response is selected, at which time the correct answer is illuminated and revealed.










Patents under this class:

Patent Number Title Of Patent Date Issued
6632096 Method and apparatus for teaching and learning Oct. 14, 2003
4824376 Educational device Apr. 25, 1989
4731027 Educational teaching toy Mar. 15, 1988
4228596 Illuminated teaching device and board game Oct. 21, 1980
4085523 Teaching machine Apr. 25, 1978
4051608 Teaching machine Oct. 4, 1977
4001948 Light response teaching system Jan. 11, 1977
3977092 Teaching machine card Aug. 31, 1976
3974575 Teaching machine Aug. 17, 1976











 
 
  Recently Added Patents
Non-disruptive configuration of a virtualization controller in a data storage system
Method for computing an energy efficient route
Apparatus and method for transmitting and receiving data streams in wireless system
Plasmon generator includes three metal layers for thermally-assisted magnetic recording
ASICs having programmable bypass of design faults
Lithographic apparatus and device manufacturing method
Case of electronic device having antenna pattern embedded therein and mold and method for manufacturing the same
  Randomly Featured Patents
High-speed electric tomography
Embroidery hoop framing jig with extensions
Method of measuring speed of a mobile unit and a receiver for use in a wireless communication system
Polyphase brushless DC Motor control
Adjustable support
Method of forming a contact hole in an interlevel dielectric layer using dual etch stops
Coiling method for wire-shaped rolling stock and coiling device for carrying out the method
Method and apparatus for target addressing and translation in a non-uniform memory environment with user defined target tags
Optical reference, and a method of using same
Weight scale with side load protection