-
公开(公告)号:US2855573A
公开(公告)日:1958-10-07
申请号:US39340253
申请日:1953-11-20
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
CPC classification number: H04N9/78 , H03H7/0123
-
公开(公告)号:US2714132A
公开(公告)日:1955-07-26
申请号:US27369152
申请日:1952-02-27
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H04N9/455
CPC classification number: H04N9/455
-
公开(公告)号:US2651673A
公开(公告)日:1953-09-08
申请号:US11680149
申请日:1949-09-20
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H04N11/12
CPC classification number: H04N11/12
-
公开(公告)号:US2590306A
公开(公告)日:1952-03-25
申请号:US48896843
申请日:1943-05-29
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L , SCHROEDER ALFRED C
IPC: H04N7/084
CPC classification number: H04N7/084
-
公开(公告)号:US2584441A
公开(公告)日:1952-02-05
申请号:US66690546
申请日:1946-05-03
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
CPC classification number: G03B21/62 , E02F3/40 , Y10S101/37
-
-
17.
公开(公告)号:US2844645A
公开(公告)日:1958-07-22
申请号:US30455352
申请日:1952-08-15
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H04N9/64
CPC classification number: H04N9/647
-
公开(公告)号:US2558351A
公开(公告)日:1951-06-26
申请号:US71426746
申请日:1946-12-05
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H04N11/12
CPC classification number: H04N11/12
-
公开(公告)号:US2513159A
公开(公告)日:1950-06-27
申请号:US71426646
申请日:1946-12-05
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H04N11/12
CPC classification number: H04N11/12
-
公开(公告)号:US2391776A
公开(公告)日:1945-12-25
申请号:US48896943
申请日:1943-05-29
Applicant: RCA CORP
Inventor: FREDENDALL GORDON L
IPC: H03K9/08
CPC classification number: H03K9/08
-
-
-
-
-
-
-
-
-