Patent ID: 9153858
Filing Date: 2015-10-06
Classification: H01Q,H05K,Y10T

Abstract:
1. Portable electronic device with static charge protection for use in explosion-hazardous areas, comprising a transmission module having an antenna, and a housing accommodating the transmission module and the antenna, wherein at least a part of the housing has a frame structure of frame elements of anti-static material with areas of another material located there in-between, so that the radiation of the antenna substantially goes through the areas and not through the frame elements of anti-static material, the size of each area is at most 20 cm at least two areas are arranged at the backside of the device and at least two areas are arranged on the side faces of the device, the anti-static material is a plastic material having filler material for effecting the anti-static characteristic, and the resistance of the anti-static material is smaller than 10