-
公开(公告)号:US2782685A
公开(公告)日:1957-02-26
申请号:US25449651
申请日:1951-11-02
Applicant: RCA CORP
Inventor: DIMMICK GLENN L , WIDDOP MARY E
-
公开(公告)号:US2633427A
公开(公告)日:1953-03-31
申请号:US74322247
申请日:1947-04-22
Applicant: RCA CORP
Inventor: DIMMICK GLENN L , WIDDOP MARY E
IPC: G11B7/00
CPC classification number: G11B7/00 , Y10S359/90
-
公开(公告)号:US2624238A
公开(公告)日:1953-01-06
申请号:US12426849
申请日:1949-10-29
Applicant: RCA CORP
Inventor: WIDDOP MARY E , DIMMICK GLENN L
IPC: G02B5/28
CPC classification number: G02B5/282
-
公开(公告)号:US2589930A
公开(公告)日:1952-03-18
申请号:US1538648
申请日:1948-03-17
Applicant: RCA CORP
Inventor: DIMMICK GLENN L , WIDDOP MARY E
CPC classification number: H04N9/31 , G02B5/285 , G02B27/142 , G02B27/149 , H04N9/18
-
-
-