Invention Grant
- Patent Title: Time division multiplex system including circuits for transmitting signals in different band widths
- Patent Title (中): 时分复用系统包括用于传输不同带宽信号的电路
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Application No.: US11099061Application Date: 1961-05-18
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Publication No.: US3238305APublication Date: 1966-03-01
- Inventor: KARLBY BERGMANN ANDERS , CHRISTIAN JACOBAEUS ANTON
- Applicant: NORTH ELECTRIC CO
- Assignee: North Electric Co
- Current Assignee: North Electric Co
- Priority: US11099061 1961-05-18
- Main IPC: H04J3/20
- IPC: H04J3/20 ; H04Q11/04
Public/Granted literature
- US07738638B1 Voice over internet protocol call recording Public/Granted day:2010-06-15
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