Patent · US Expired

Coil construction

USRE37835E1 · kind E1 · reissue

2Cited by
17References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 2, 1999
Grant dateSep 10, 2002
Priority date
Expiry dateNov 2, 2019

Classification

  • Technology area (CPC —)General

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.