-
公开(公告)号:US2040952A
公开(公告)日:1936-05-19
申请号:US64057832
申请日:1932-11-01
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
CPC classification number: G01S1/02
-
公开(公告)号:US2027448A
公开(公告)日:1936-01-14
申请号:US17687727
申请日:1927-03-21
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H03B5/34
CPC classification number: H03B5/34
-
公开(公告)号:US2022478A
公开(公告)日:1935-11-26
申请号:US42031330
申请日:1930-01-13
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H03G3/22
CPC classification number: H03G3/22
-
公开(公告)号:US1920665A
公开(公告)日:1933-08-01
申请号:US2005225
申请日:1925-04-02
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: G01S3/06
CPC classification number: G01S3/065
-
公开(公告)号:US1901117A
公开(公告)日:1933-03-14
申请号:US42331930
申请日:1930-01-25
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H04B7/08
CPC classification number: H04B7/0865
-
公开(公告)号:US1863695A
公开(公告)日:1932-06-21
申请号:US3816525
申请日:1925-06-19
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H04B7/08
CPC classification number: H04B7/0837
-
公开(公告)号:US1821402A
公开(公告)日:1931-09-01
申请号:US23180427
申请日:1927-11-08
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H01Q21/12
CPC classification number: H01Q21/12
-
-
公开(公告)号:US1789371A
公开(公告)日:1931-01-20
申请号:US20507127
申请日:1927-07-12
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: H03C3/28
CPC classification number: H03C3/28
-
公开(公告)号:US1764747A
公开(公告)日:1930-06-17
申请号:US6975225
申请日:1925-11-18
Applicant: RCA CORP
Inventor: PETERSON HAROLD O
IPC: G01S3/06
CPC classification number: G01S3/065
-
-
-
-
-
-
-
-
-