LCD having noise counteracting parallel resonant circuit

US5990625A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Ralph Meissner · Erlangen, DE
• Rainer Kuth · Annaberg-Buchholz, DE
• Wolfgang Pritzel · Rosenheim, DE

Key dates

• Filing date: Sep 30, 1997
• Grant date: Nov 23, 1999
• Expiry date: Sep 30, 2017

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04B15/00
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In an electrical assembly with an electrical or electronic component part that generates a noise signal with a disturbing frequency, a parallel resonant circuit tuned to the frequency is arranged in the immediate proximity of the component part.