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Class Information
Number: 434/222
Name: Education and demonstration > Occupation > Code communication
Description: Subject matter relating to a system such as Morse code signals for transmitting information.

Sub-classes under this class:

Class Number Class Name Patents
434/223 Visual signalling 5

Patents under this class:

Patent Number Title Of Patent Date Issued
8371857 System, method and device for language education through a voice portal Feb. 12, 2013
8348670 Device and method for computer-assisted learning Jan. 8, 2013
8226477 Automatic simulation of call center scenarios Jul. 24, 2012
8202093 System, method and device for language education through a voice portal Jun. 19, 2012
6585520 Method and system for enhancing memorization by using a mnemonic display Jul. 1, 2003
6072946 Computerized method and system for interactively simulating telecommunications services Jun. 6, 2000
5304066 Machine shop management system Apr. 19, 1994
5203704 Method of communication using pointing vector gestures and mnemonic devices to assist in learning point vector gestures Apr. 20, 1993
4661073 Code tutoring system Apr. 28, 1987
4255749 Apparatus for converting code signal to visual display Mar. 10, 1981

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