Invention Grant
- Patent Title: Automatic calling number identification
- Patent Title (中): 自动电话号码识别
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Application No.: US65838457Application Date: 1957-05-10
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Publication No.: US3071650APublication Date: 1963-01-01
- Inventor: CAHILL HAROLD D , DAGNALL JR CLARENCE H
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US65838457 1957-05-10
- Main IPC: H04M15/08
- IPC: H04M15/08
Information query
