Housing structure for decreasing a radio unit's susceptibility to static electricity

Claim 1

Apparatus comprising: a housing; a circuit board located in said housing and having an electronic component thereon, said electronic component being sensitive to static electricity; an inner terminal plate including an inner terminal, said inner terminal being coupled to said circuit board and being electrically connected to said electronic component in such manner that static electricity applied to said inner terminal will be transferred to said electronic component, said inner terminal plate being fixed to said circuit board; a housing opening formed in said housing in alignment with said inner terminals to permit an external pin of an external unit to pass through said housing and to contact said inner terminal, said inner terminal being spaced from and out of contact with said housing; and a relatively airtight spacer, having resistivity to static electricity, which is interposed between the housing and said inner terminal plate surrounding said housing opening, and having an aperture communicating between said housing opening and said inner terminal.