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公开(公告)号:US3294896A
公开(公告)日:1966-12-27
申请号:US29745463
申请日:1963-07-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: YOUNG JR WILLIAM RAE
CPC classification number: H04N3/12 , H03M1/00 , H03M1/124 , H04N1/4055 , H04N1/4105
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2.Conference circuit for coded signals permitting conference calls between vocoder and analogue stations 失效
Title translation: 用于编码信号的会议电路允许声码器和模拟站之间的电话会议公开(公告)号:US3369080A
公开(公告)日:1968-02-13
申请号:US41863564
申请日:1964-12-16
Applicant: BELL TELEPHONE LABOR INC
Inventor: MILLER RALPH L , YOUNG JR WILLIAM RAE
IPC: H04M3/56
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公开(公告)号:US3387095A
公开(公告)日:1968-06-04
申请号:US44782265
申请日:1965-04-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: MILLER RALPH L , YOUNG JR WILLIAM RAE
IPC: H04M3/56
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公开(公告)号:US2329504A
公开(公告)日:1943-09-14
申请号:US31279540
申请日:1940-01-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: YOUNG JR WILLIAM RAE
IPC: H04Q1/20
CPC classification number: H04Q1/20
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