Patent · US Expired

High-frequency module and mobile communication apparatus using the same

US6788958B2 · kind B2 · utility

14Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 2001
Grant dateSep 7, 2004
Priority date
Expiry dateNov 18, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D30/70
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A high-frequency module includes a diplexer, first and second high-frequency switches, a SAW duplexer, first and second LC filters functioning as first and second filters, and an SAW filter functioning as a third filter. The module defines a unit that integrates front-end sections of first to third communication systems, a digital cellular system (1.8 GHz band), a personal communication service (1.9 GHz band) and a global system for mobile communications (900 MHz band).

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