Title:
SHIELD TO PREVENT ELECTROSTATIC DISCHARGE AND ELECTROMAGNETIC AND RADIO FREQUENCY INTERFERENCE
Document Type and Number:
WIPO Patent Application WO2000002294
Kind Code:
A3
Abstract:
Shields (10) providing protection from electrostatic discharge, electromagnetic interference and radio frequency interference provide effective shielding of susceptible portions of slot machines, video games, pinball machines and other electronic amusement devices. The shields are cost-effective and permit high visible light transmissivity for high-quality backlit graphical images. They are easily installed using semi-permanent adhesive (22) that allows the shields to be removed if necessary for servicing, or to remain in place permanently. ITO-coated polyester (14) provides a clear conductor and, with proper grounding, is used to create an effective ESD shield. Shields preferably include a silver conductive trace (16) at the perimeter to create a Faraday cage that effectively traps RFI.
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Inventors:
KLINE RICHARD (US)
Application Number:
PCT/US1999/015155
Publication Date:
September 08, 2000
Filing Date:
July 02, 1999
Export Citation:
Assignee:
ADD VISION INC (US)
KLINE RICHARD (US)
KLINE RICHARD (US)
International Classes:
H05K9/00; (IPC1-7): H02H1/00; H02H1/04; H02H3/22
Foreign References:
| US4412255A | 1983-10-25 | |||
| US5017419A | 1991-05-21 | |||
| US5147694A | 1992-09-15 | |||
| US5855988A | 1999-01-05 | |||
| US5725210A | 1998-03-10 | |||
| US5388828A | 1995-02-14 |
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