Patent · US Expired

Folding type portable radio machine and chassis of the radio machine

US7283853B2 · kind B2 · utility

12Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 2003
Grant dateOct 16, 2007
Priority date
Expiry dateOct 14, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/0216
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A folding type portable radio machine, includes a chassis part formed by a first chassis and a second chassis, the second chassis being foldably connected to the first chassis. The chassis part includes a conductive part having conductivity whose full length is an approximately half wave length (λ/2) of a using frequency of the radio machine, and an electric notch.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.