Patent · US Expired

Planar inductance

US7642891B2 · kind B2 · utility

12Cited by

7References

21Claims

0Family size

Assignee

ST-ERICSSON SA · CH

Inventors

Josef Einzinger · Spalt, DE
Andreas Loth · Berlin, DE

Key dates

Filing date	Jul 16, 2003
Grant date	Jan 5, 2010
Priority date	—
Expiry date	Feb 17, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH01F2021/125
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A planar inductance, such as for monolithic HF oscillators, has planar spiral windings, each with two loops, where each winding is in the form of an “eight” with cross-conductors carrying current in the same direction and running between two loops.

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