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公开(公告)号:US3470323A
公开(公告)日:1969-09-30
申请号:US54294644
申请日:1944-06-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
CPC classification number: H04K1/04
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2.
公开(公告)号:US2286072A
公开(公告)日:1942-06-09
申请号:US31052739
申请日:1939-12-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: H04J3/18
CPC classification number: H04J3/18
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公开(公告)号:US2151091A
公开(公告)日:1939-03-21
申请号:US4739335
申请日:1935-10-30
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: H04B1/66
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4.System for the artificial production of vocal or other sounds 失效
Title translation: 用于人为生产声乐或其他声音的系统公开(公告)号:US2121142A
公开(公告)日:1938-06-21
申请号:US13541637
申请日:1937-04-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: G10L19/02
CPC classification number: G10L19/02
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公开(公告)号:US2107177A
公开(公告)日:1938-02-01
申请号:US75092634
申请日:1934-11-01
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: H01B7/30
CPC classification number: H01B7/30
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公开(公告)号:US1979101A
公开(公告)日:1934-10-30
申请号:US33781029
申请日:1929-02-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: H04B3/20
CPC classification number: H04B3/20
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公开(公告)号:US2339465A
公开(公告)日:1944-01-18
申请号:US45042042
申请日:1942-07-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: G10L21/00
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公开(公告)号:US2243527A
公开(公告)日:1941-05-27
申请号:US32428840
申请日:1940-03-16
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: G10L19/02
CPC classification number: G10L19/02
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9.System for the artificial production of vocal or other sounds 失效
Title translation: 用于人为生产声乐或其他声音的系统公开(公告)号:US2243089A
公开(公告)日:1941-05-27
申请号:US27342939
申请日:1939-05-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: G10L21/00
CPC classification number: G10L21/00
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公开(公告)号:US1841405A
公开(公告)日:1932-01-19
申请号:US49988030
申请日:1930-12-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: DUDLEY HOMER W
IPC: H04B3/20
CPC classification number: H04B3/20
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