Patent Number: US 5020056 A
Filing Date: 1989-05-02
Publication Date: 1991-05-28
Status: Expired – Lifetime
Current Assignee: Ericsson Inc. / General Electric Co.
Applicants: General Electric Co.
IPC/CPC Classifications: H04B1/69;;H04B7/26;;H04J3/16
Patent Attorney
Lawrence P. Zale