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
Mirror elements for EUV lithography and production methods therefor
Shape memory polymers formed by self-crosslinking of copolymers
Combination therapy to enhance NK cell mediated cytotoxicity
Method and apparatus for organizing segments of media assets and determining relevance of segments to a query
Switching module and switching synchronization system
Multi-dimensional tuple support in rule engines
Method of forming solderable side-surface terminals of quad no-lead frame (QFN) integrated circuit packages
  Randomly Featured Patents
Transport apparatus especially for goods, capable of travelling over stairs
Complexes of AZO compounds and/or their salts and an antitumor agent and a method for reducing the growth of tumors
Dynamically displaying current status of tasks
Single hung window
Process for extracting bitumen
Multifunction image forming apparatus and document information searching method
Process for forming a thermosetting elastomeric hose having an internal socket formed therein
Keyless drill chuck
Triazolylmethyl tert-butyl carbinol derivatives which have plant growth regulating properties
Method of controlling scavenging of the burnt gas of an indirect-injection engine, notably a supercharged engine, and engine using such a method