-
公开(公告)号:US2436441A
公开(公告)日:1948-02-24
申请号:US57925745
申请日:1945-02-22
Applicant: RCA CORP
Inventor: MATHES RICHARD E
IPC: H04L15/34
CPC classification number: H04L15/34
-
-
13.Modulation of wire and radio transmission by frequency variation 失效
Title translation: 通过频率变化调制有线和无线电传输公开(公告)号:US2269594A
公开(公告)日:1942-01-13
申请号:US26266439
申请日:1939-03-18
Applicant: RCA CORP
Inventor: MATHES RICHARD E
CPC classification number: H03G11/02 , H04B14/006 , H04B14/08 , H04N1/00103 , H04N7/045
-
公开(公告)号:US2212447A
公开(公告)日:1940-08-20
申请号:US16936537
申请日:1937-10-16
Applicant: RCA CORP
Inventor: MATHES RICHARD E
IPC: H04L7/033
CPC classification number: H04L7/033
-
公开(公告)号:US2070950A
公开(公告)日:1937-02-16
申请号:US3350935
申请日:1935-07-27
Applicant: RCA CORP
Inventor: MATHES RICHARD E
IPC: H03M5/00
CPC classification number: H03M5/00
-
公开(公告)号:US1944565A
公开(公告)日:1934-01-23
申请号:US63325732
申请日:1932-09-15
Applicant: RCA CORP
Inventor: MATHES RICHARD E
IPC: H04L1/08
CPC classification number: H04L1/08
-
公开(公告)号:US2534535A
公开(公告)日:1950-12-19
申请号:US46808442
申请日:1942-12-07
Applicant: RCA CORP
Inventor: ERNEST SMITH J , MATHES RICHARD E
IPC: H04K1/06
CPC classification number: H04K1/06
-
公开(公告)号:US2405991A
公开(公告)日:1946-08-20
申请号:US34875640
申请日:1940-07-31
Applicant: RCA CORP
Inventor: BEVERAGE HAROLD H , MATHES RICHARD E
IPC: H04L9/38
CPC classification number: H04L9/38
-
19.
公开(公告)号:US2389675A
公开(公告)日:1945-11-27
申请号:US52045244
申请日:1944-01-31
Applicant: RCA CORP
Inventor: MATHES RICHARD E
IPC: H04L5/24
CPC classification number: H04L5/24
-
公开(公告)号:US2374295A
公开(公告)日:1945-04-24
申请号:US48547743
申请日:1943-05-03
Applicant: RCA CORP
Inventor: MATHES RICHARD E
CPC classification number: H04L5/22 , H04J3/0629
-
-
-
-
-
-
-
-
-