G - Physics – 09 – B
Patent
G - Physics
09
B
354/43, 35/65
G09B 7/06 (2006.01)
Patent
CA 1287171
C A N A D A S P E C I F I C A T I O N TO ALL WHOM IT MAY CONCERN: Be it known that we, PRICE/STERN/SLOAN , INC., a corporation organised under the laws of the State of Delaware, United States of America, of 360 North La Cienega Boulevard, Los Angeles, California, United States of America, are in possession of an invention entitled: TEACHING AND AMUSEMENT APPARATUS and the following disclosure contains a full description of the invention and of the best mode known to the inventors for taking advantage of the same. ABSTRACT Teaching and Amusement Apparatus Known teaching and amusement apparatus comprises a self-contained electronic "pen" which is used in conjunction with specially printed material to provide an interactive system e.g. in the form of a worksheet or book having question and answer areas. The "pen" used senses differences in the infra-red radiation properties of the answer areas to indicate audibly whether a correct or an incorrect answer has been selected. The invention relates to an improved "pen" (10) which operates in an active mode and a programming mode. A switch (12) changes the mode of the "pen". In the programming mode, the "pen" is programmed to operate according to the printed material on which it is to be used. The "pen" (10) further includes a visual display (13) for indicating whether a correct or incorrect answer has been given.
558215
Frazer Stephen Oliver
Riddiford Martin Philip
Gowling Lafleur Henderson Llp
Price Stern Sloan Inc.
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