US4577216A
(en )
1986-03-18
Method and apparatus for modifying the color burst to prohibit videotape recording
US4178609A
(en )
1979-12-11
Comb filter having improved luminance response
KR850002137A
(ko )
1985-05-06
비데오 동기장치
US2705740A
(en )
1955-04-05
Subscription type signalling system
GB792863A
(en )
1958-04-02
Improvements in or relating to compatible colour television systems
GB1138911A
(en )
1969-01-01
Improvements in or relating to colour television receivers
SU422126A1
(enrdf_load_stackoverflow )
1974-03-30
US3073894A
(en )
1963-01-15
Chrominance subcarrier phase inverter
GB767021A
(en )
1957-01-30
Improvements in or relating to multiplex transmission systems
GB841627A
(en )
1960-07-20
Improvements in or relating to television systems
US2870248A
(en )
1959-01-20
Multiplex transmission system for the transmission of three signals
US2943142A
(en )
1960-06-28
Color-television system
US2386087A
(en )
1945-10-02
Method and apparatus for reducing echo effects in picture transmission systems
US2748188A
(en )
1956-05-29
Color television synchronizing apparatus
KR830007020A
(ko )
1983-10-12
오출력이 없는 키이 신호 발생기
GB969880A
(en )
1964-09-16
Improvements in colour television systems
GB1509958A
(en )
1978-05-10
Control circuit for controlling the resting frequency of a frequency-modulated colour television sub-carrier
US3213191A
(en )
1965-10-19
Methods and circuitries for transmitting a color television sub-carrier
US5831680A
(en )
1998-11-03
Color signal processing circuit capable of processing PAL/NTSC color television signals which prevents image deteriorization caused by chromatization
GB1220550A
(en )
1971-01-27
Pal identification circuit
GB1065616A
(en )
1967-04-19
Improvements in or relating to colour television apparatus
GB912312A
(en )
1962-12-05
Improvements in and relating to colour television and like apparatus
US2858365A
(en )
1958-10-28
Color synchronization
GB595138A
(en )
1947-11-27
Improvements in television systems
US2924650A
(en )
1960-02-09
Suppressor circuit