Invention Grant
- Patent Title: Range extension circuit
- Patent Title (中): 范围扩展电路
-
Application No.: US3508009DApplication Date: 1967-09-06
-
Publication No.: US3508009APublication Date: 1970-04-21
- Inventor: HENRY JAMES L , SHAFER WILLIAM L JR
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US66575467 1967-09-06
- Main IPC: H04M19/00
- IPC: H04M19/00 ; H04Q1/30
Information query
