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公开(公告)号:US2154091A
公开(公告)日:1939-04-11
申请号:US7136136
申请日:1936-03-28
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H03G3/22
CPC classification number: H03G3/22
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公开(公告)号:US2085430A
公开(公告)日:1937-06-29
申请号:US72283534
申请日:1934-04-28
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H04B1/12
CPC classification number: H04B1/12
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公开(公告)号:US2133816A
公开(公告)日:1938-10-18
申请号:US75860234
申请日:1934-12-21
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H03G9/06
CPC classification number: H03G9/06
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公开(公告)号:US1978578A
公开(公告)日:1934-10-30
申请号:US65396433
申请日:1933-01-28
Applicant: RCA CORP
Inventor: HOLST POUL F G , BIERWIRTH RUDOLPH A
IPC: H03F3/28
CPC classification number: H03F3/28
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公开(公告)号:US2190317A
公开(公告)日:1940-02-13
申请号:US8009836
申请日:1936-05-16
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H02M3/42
CPC classification number: H02M3/42
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6.Volume control system for radio receiving apparatus and the like 失效
Title translation: 无线电接收装置的音量控制系统等公开(公告)号:US2037785A
公开(公告)日:1936-04-21
申请号:US63883832
申请日:1932-10-21
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H03G9/06
CPC classification number: H03G9/06
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公开(公告)号:US2144920A
公开(公告)日:1939-01-24
申请号:US4135935
申请日:1935-09-20
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H03G3/22
CPC classification number: H03G3/22
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8.
公开(公告)号:US2113139A
公开(公告)日:1938-04-05
申请号:US6866836
申请日:1936-03-13
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H02M7/62
CPC classification number: H02M7/62
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公开(公告)号:US2077565A
公开(公告)日:1937-04-20
申请号:US69159733
申请日:1933-09-30
Applicant: RCA CORP
Inventor: HOLST POUL F G
IPC: H04B15/00
CPC classification number: H04B15/005
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公开(公告)号:US2149697A
公开(公告)日:1939-03-07
申请号:US9874636
申请日:1936-08-31
Applicant: RCA CORP
Inventor: HOLST POUL F G , KIRKWOOD LOREN R
IPC: H03G3/26
CPC classification number: H03G3/26
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