US2847500A
(en)
*
|
1951-08-09 |
1958-08-12 |
Zenith Radio Corp |
Subscription television system
|
US2903505A
(en)
*
|
1951-08-21 |
1959-09-08 |
Fine Harry |
Color television systems
|
US2860186A
(en)
*
|
1954-07-06 |
1958-11-11 |
Bell Telephone Labor Inc |
Television transmission channel sharing system
|
US2939918A
(en)
*
|
1954-08-24 |
1960-06-07 |
Freedman Nathan |
System for compressing bandwidth
|
US2938169A
(en)
*
|
1955-10-28 |
1960-05-24 |
Philco Corp |
Apparatus for improving reproduced color television images
|
US2954441A
(en)
*
|
1955-12-13 |
1960-09-27 |
Ampex |
Wide band magnetic system
|
NL101352C
(ja)
*
|
1957-07-12 |
|
|
|
US3048652A
(en)
*
|
1958-02-24 |
1962-08-07 |
Ampex |
Color television recording system and method
|
US3061684A
(en)
*
|
1959-02-09 |
1962-10-30 |
Cons Electrodynamics Corp |
Frequency band separation in translating apparatus
|
US3110770A
(en)
*
|
1959-09-04 |
1963-11-12 |
Faraday Electronic Instr Ltd |
Apparatus for use in stethoscopy
|
US3117278A
(en)
*
|
1960-12-19 |
1964-01-07 |
Minnesota Mining & Mfg |
Noise reducing system
|
NL7110625A
(ja)
*
|
1971-07-31 |
1973-02-02 |
|
|
JPS576755B2
(ja)
*
|
1973-07-26 |
1982-02-06 |
|
|
NL8104476A
(nl)
*
|
1981-10-01 |
1983-05-02 |
Philips Nv |
Televisiesysteem voor hoge-definitie televisie en er voor geschikte televisie zender en ontvanger.
|
US4476484A
(en)
*
|
1982-06-24 |
1984-10-09 |
At&T Bell Laboratories |
Technique for providing compatibility between high-definition and conventional color television
|
US4701783A
(en)
*
|
1982-09-14 |
1987-10-20 |
New York Institute Of Technology |
Technique for encoding and decoding video with improved separation of chrominance and luminance
|
US4628344A
(en)
*
|
1982-09-14 |
1986-12-09 |
New York Institute Of Technoloy |
Method and apparatus for encoding and decoding video
|
EP0103488B1
(en)
*
|
1982-09-14 |
1991-03-27 |
New York Institute Of Technology |
Method and apparatus for encoding and decoding video
|
US4523220A
(en)
*
|
1983-01-19 |
1985-06-11 |
Rca Corporation |
Compatible high-definition television system utilizing Hadamard basis functions
|
US4622578A
(en)
*
|
1983-01-28 |
1986-11-11 |
At&T Bell Laboratories |
Fully compatible high definition television
|
JPS59171387A
(ja)
*
|
1983-03-18 |
1984-09-27 |
Hitachi Ltd |
テレビジヨン信号の構成方法
|
US4630099A
(en)
*
|
1984-01-16 |
1986-12-16 |
At&T Bell Laboratories |
Time multiplexing chrominance information for compatible high-definition television
|
US4564857A
(en)
*
|
1984-02-28 |
1986-01-14 |
At&T Bell Laboratories |
Aspect ratio improvement for compatible high-definition television
|
DE3414271A1
(de)
*
|
1984-04-14 |
1985-10-24 |
ANT Nachrichtentechnik GmbH, 7150 Backnang |
Verfahren zur modulation und synchronen demodulation von nach dem prinzip der offsetmodulation/-abtastung aufbereiteten farbfernsehsignalen sowie anordnung zum durchfuehren dieses verfahrens
|
US4535352A
(en)
*
|
1984-04-16 |
1985-08-13 |
At&T Bell Laboratories |
Technique for generating semi-compatible high definition television signals for transmission over two cable TV channels
|
US4621286A
(en)
*
|
1984-05-29 |
1986-11-04 |
Rca Corporation |
Spatial-temporal frequency interleaved processing of a television signal with reduced amplitude interleaved sections
|
US4621287A
(en)
*
|
1984-05-29 |
1986-11-04 |
Rca Corporation |
Time-multiplexing of an interleaved spectrum of a television signal
|
EP0163512B1
(en)
*
|
1984-05-29 |
1992-08-19 |
General Electric Company |
Spatial-temporal frequency interleaved processing of a television signal
|
US4631574A
(en)
*
|
1984-06-29 |
1986-12-23 |
At&T Bell Laboratories |
Compatible high-definition television with extended aspect ratio
|
US5032908A
(en)
*
|
1989-10-23 |
1991-07-16 |
Westinghouse Electric Corp. |
High definition television acoustic charge transport filter bank
|