Patent · US Expired

Rotary apparatus

US6181235A · kind A · utility

20Cited by
4References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 28, 1997
Grant dateJan 30, 2001
Priority date
Expiry dateMay 28, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08C17/04
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A rotary apparatus in which at least one electrically controlled device is attached to a rotor. The rotor carries coils such that rotation of the rotor generates power for the device. A switch is provided for controlling the supply of power to the device and receives control signals via a contactless communication link.

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