Vishay files patent suit for its infrared tech
Vishay Intertechnology Inc. has filed through its affiliated company, Vishay Semiconductor GmbH, a patent infringement law suit against firms and individuals selling appliances manufactured in China for use of its IR receiver module technology.
The suit alleges that the firms and individuals have infringed Vishay patent DE 593 04 45.3 (which corresponds to US patent 5 350 943) for internal metal shielding within infrared receiver modules. The patent relates to a technique that prevents electromagnetic phenomena from interfering with the operation of a remote control system by protecting sensitive areas of the infrared receiver with the lead-frame, to which the infrared components are mounted.
"Vishay has invested considerable resources in its infrared receiver technology and intends to vigorously prosecute infringement of its patents both by component manufacturers and by component resellers and OEMs," said Dr. Felix Zandman, Vishay's chairman and chief technical and business development officer. "We strongly advise users of infrared receivers to exercise caution in their selection of module suppliers to avoid unintended infringement of this patent."
In addition to the law suit now under way, Vishay recently settled several similar actions against firms for using its patented internal metal shielding technology.
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