Patent · US Expired

Switch device

US7227447B2 · kind B2 · utility

11Cited by
9References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 2004
Grant dateJun 5, 2007
Priority date
Expiry dateMar 3, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C2009/00793
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A switch device is provided that ensures formation of a communicable area by a coil antenna. The switch device includes an ignition switch operated by an operator for driving an engine starter, a decorative cap arranged to surround the ignition switch and having an ornamental surface, and the coil antenna arranged adjacent to the decorative cap for transmitting a transponder-driving radio wave. The decorative cap includes a transmittable area that can transmit the transponder-driving radio wave therethrough. The transmittable area is formed in a part of the decorative cap excluding the ornamental surface.

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