JIGSAW

Brand	Owner	Address	Description
DYNAMO DUCK	Parasol Group, Ltd.	Herzogstrasse 66 D-8000 Munich 40 Germany	jigsaw, manipulative, three-dimensional cube-type puzzles and action skill, action-type target, board, card, hand held unit for playing electronic, manipulative games, kites, balloons, toy cars, toy trucks, bath toys, ride-on toys, stuffed toys, Christmas tree decorations, and dolls;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A RFID system applying to a three-dimensional jigsaw is provided. The RFID system includes a jigsaw substrate having a plurality of blocks, a plurality of jigsaw units corresponding to each blocks of the jigsaw substrate, a RFID reader having a plurality of antennas positioned in a position of each blocks of the jigsaw substrate, and a plurality of tags positioned in a position of each face of a three-dimensional jigsaw unit corresponding to the positions of the antennas, wherein the RFID reader communicates to the tags using modulated radio signals through the antennas and the tags respond with modulated radio signals in order to determine whether the orientation of the three-dimensional jigsaw unit is correct or not.