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公开(公告)号:US3150236A
公开(公告)日:1964-09-22
申请号:US13463361
申请日:1961-08-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: GORGAS JOHN W , HURST GEORGE A , PFROMMER JOHN S , SCHEER WILLIAM H
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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2.Traffic controlled switching circuitry for limiting access to a group of communication paths 失效
Title translation: 用于限制访问一组通信协议的交通控制切换电路公开(公告)号:US3440354A
公开(公告)日:1969-04-22
申请号:US3440354D
申请日:1965-06-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: SCHEER WILLIAM H
CPC classification number: H04Q3/0004
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公开(公告)号:US1979054A
公开(公告)日:1934-10-30
申请号:US70055033
申请日:1933-12-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: SCHEER WILLIAM H
IPC: H04Q1/32
CPC classification number: H04Q1/32 , Y10T307/878
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公开(公告)号:US3149206A
公开(公告)日:1964-09-15
申请号:US9835961
申请日:1961-03-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: SCHEER WILLIAM H
IPC: H04Q3/00
CPC classification number: H04Q3/0004
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公开(公告)号:US2332015A
公开(公告)日:1943-10-19
申请号:US40273541
申请日:1941-07-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: SCHEER WILLIAM H
IPC: H04Q3/00
CPC classification number: H04Q3/00
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公开(公告)号:US2034881A
公开(公告)日:1936-03-24
申请号:US67298333
申请日:1933-05-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: SCHEER WILLIAM H
IPC: H01H47/14
CPC classification number: H01H47/14
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