-
21.
公开(公告)号:US2070418A
公开(公告)日:1937-02-09
申请号:US67180833
申请日:1933-05-19
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04L1/06
CPC classification number: H04L1/06
-
公开(公告)号:US2069813A
公开(公告)日:1937-02-09
申请号:US6313236
申请日:1936-02-10
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H , PETERSON HAROLD O
IPC: H04B7/08
CPC classification number: H04B7/084
-
-
公开(公告)号:US2014518A
公开(公告)日:1935-09-17
申请号:US67719933
申请日:1933-06-23
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B7/155
CPC classification number: H04B7/15542
-
公开(公告)号:US1819589A
公开(公告)日:1931-08-18
申请号:US7876826
申请日:1926-01-02
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H , PETERSON HAROLD O
IPC: H04B7/10
CPC classification number: H04B7/10
-
公开(公告)号:US1697945A
公开(公告)日:1929-01-08
申请号:US12677026
申请日:1926-08-03
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
-
公开(公告)号:US2487513A
公开(公告)日:1949-11-08
申请号:US50769643
申请日:1943-10-26
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
IPC: H04B7/155
CPC classification number: H04B7/2606
-
公开(公告)号:US2255374A
公开(公告)日:1941-09-09
申请号:US25310139
申请日:1939-01-27
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H
CPC classification number: H04B7/0837 , H03F1/28
-
公开(公告)号:US2146301A
公开(公告)日:1939-02-07
申请号:US10252436
申请日:1936-09-25
Applicant: RCA CORP
Inventor: KNOTTS WARREN L , BEVERAGE HAROLD H
IPC: H04B7/155
CPC classification number: H04B7/15528 , H04B7/155
-
公开(公告)号:US2138134A
公开(公告)日:1938-11-29
申请号:US7340436
申请日:1936-04-09
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H , CARTER PHILIP S , WICKIZER GILBERT S
IPC: H01Q21/08
CPC classification number: H01Q21/08
-
-
-
-
-
-
-
-
-