Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Business
Class Information
Number: 434/315
Name: Education and demonstration > Audio recording and visual means > Image projector > With code on image carrier for controlling operation of apparatus
Description: Subject matter wherein the visual information carrier carries a code (e.g., light or opaque area, notch, aperture, etc.) to control the operation of the devices.










Patents under this class:

Patent Number Title Of Patent Date Issued
7261612 Methods and systems for read-aloud books Aug. 28, 2007
6011949 Study support system Jan. 4, 2000
5899700 Embedded multimedia control code method and apparatus May. 4, 1999
5710834 Method and apparatus responsive to a code signal conveyed through a graphic image Jan. 20, 1998
5164865 System and method for locating information on a continuous image medium Nov. 17, 1992
4994987 Image access system providing easier access to images Feb. 19, 1991
4677604 Method for controlling access to recorded data Jun. 30, 1987
4552535 Mechanical assembly for audio-visual teaching machines Nov. 12, 1985
4005530 Audio-visual training device with selective branching Feb. 1, 1977
3968575 Teaching device Jul. 13, 1976











 
 
  Recently Added Patents
Crystalline solvates of 6-(piperidin-4-yloxy)-2H-isoquinolin-1-one hydrochloride
Mobile device mode control based on dual mapping of availability (presence) information
Application authentication system and method
Photographic printing paper and method of making same
Subscribing to content
Analysis of methylation using nucleic acid arrays
Passive millimeter wave differential interference contrast polarimetry
  Randomly Featured Patents
Image forming apparatus having sheet curvature correcting device
Headlamp reflectors for automobile vehicles manufactured by injection molding according to the coinjection process using poly(alkylene terephthalate)
Conditioning agent
Content authoring system and method
Belt with multiple, closable insulating containers for carrying canned/bottled beverages
Method for pitch reduction in integrated circuit fabrication
Flexible pin count package for semiconductor device
Magnetic head grinding device and method
Adaptive membrane structure with insertable protrusions
Rear combination lamp for an automobile