Patent · US Expired

Coil construction

US5835066A · kind A · utility

5Cited by
8References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1997
Grant dateNov 10, 1998
Priority date
Expiry dateFeb 5, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q1/1278
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A bifilar coil construction is used for isolating radio signals picked up by a motor vehicle window heating element from the power supply circuit for the heating element. The coil construction has two separate windings (9,10) which are arranged bodily alongside each other. In one embodiment there is an inner cylindrical winding (9) within and in contact with an outer cylindrical winding (10), and a two part pot core (15,16) is clamped within and around the windings (9,10).

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