-
公开(公告)号:US2252084A
公开(公告)日:1941-08-12
申请号:US32704640
申请日:1940-03-30
Applicant: RCA CORP
Inventor: LEIGH JOHN S
IPC: H03G3/26
CPC classification number: H03G3/26
-
公开(公告)号:US2977570A
公开(公告)日:1961-03-28
申请号:US19232650
申请日:1950-10-26
Applicant: RCA CORP
Inventor: LEIGH JOHN S , HOBBS LINDER C
IPC: G01S1/72
CPC classification number: G01S1/72
-
公开(公告)号:US2401943A
公开(公告)日:1946-06-11
申请号:US46386042
申请日:1942-10-30
Applicant: RCA CORP
Inventor: LEIGH JOHN S , MURDOCH JR ALEXANDER
IPC: B06B1/08
CPC classification number: B06B1/085
-
-