| US 7,428,791 B2 | ||
| Display system having a magnetic drive assembly and associated methods | ||
| James P. Lyons, Ocoee, Fla. (US); Michael W. MacGeorge, Casselberry, Fla. (US); and John Norton Reynolds, IV, Key Largo, Fla. (US) | ||
| Assigned to AD4, LLC, Casselberry, Fla. (US) | ||
| Filed on Feb. 02, 2005, as Appl. No. 11/49,595. | ||
| Prior Publication US 2006/0168852 A1, Aug. 03, 2006 | ||
| Int. Cl. G09F 11/12 (2006.01); G09F 15/00 (2006.01) | ||
| U.S. Cl. 40—503 [340/815.62; 211/1.56; 211/163; 40/39; 40/473; 40/493; 40/501; 40/503] | 36 Claims |
| 1. A display system comprising:
a frame;
a respective plurality of column connection members connected to said frame;
a respective plurality of column members rotatably connected to the respective plurality of column connection members; and
a magnetic drive assembly carried by said frame and engaging said column connection members to selectively rotate said column
members, said magnetic drive assembly comprising
a power source,
a plurality of energizing members connected to the power source and comprising at least one electromagnet, and
a respective plurality of column movement members connected to the respective column connection members and positioned spaced-apart
from and overlying the respective energizing members,
the at least one electromagnet of each of the energizing members being selectively energized to form a magnetic field between
the energizing members and the column movement members to selectively cause rotation of the column members.
|