JPS5132949B1
(da)
*
|
1962-10-08 |
1976-09-16 |
|
|
US3478166A
(en)
*
|
1963-09-09 |
1969-11-11 |
Intern Telemeter Corp |
Cryptographic subscription television system with grey sync and dual mode augmenting signals
|
US3506780A
(en)
*
|
1964-08-31 |
1970-04-14 |
Iit Res Inst |
Signal transducer systems
|
US3530232A
(en)
*
|
1966-06-17 |
1970-09-22 |
Intern Telemeter Corp |
Subscription television system
|
US3729576A
(en)
*
|
1971-02-08 |
1973-04-24 |
Optical Sys Corp |
Encoding and decoding system for catv
|
US3736369A
(en)
*
|
1972-03-13 |
1973-05-29 |
Theatre Vision Inc |
Technique for encoding and decoding scrambled t.v. transmissions by the simultaneous transmission of the encoding and decoding signals
|
US3813482A
(en)
*
|
1972-07-24 |
1974-05-28 |
Blonder Tongue Lab |
Method of and apparatus for scramble-encoded transmission and decoded reception for over the air and cable subscription television and the like
|
US3852519A
(en)
*
|
1972-10-20 |
1974-12-03 |
Optical Systems Corp |
Video and audio encoding/decoding system employing suppressed carrier modulation
|
US3919462A
(en)
*
|
1973-08-15 |
1975-11-11 |
System Dev Corp |
Method and apparatus for scrambling and unscrambling communication signals
|
DE2416086C2
(de)
*
|
1974-04-01 |
1983-09-01 |
Blonder-Tongue Laboratories, Inc., Old Bridge, N.J. |
Verfahren zum Senden und Empfangen von verschlüsselten Fernsehsignalen
|
US4095258A
(en)
*
|
1976-10-15 |
1978-06-13 |
Blonder-Tongue Laboratories, Inc. |
Apparatus for decoding scrambled television and similar transmissions
|
US4163252A
(en)
*
|
1976-11-03 |
1979-07-31 |
Blonder-Tongue Laboratories, Inc. |
Subscription television decoder apparatus
|
US4145717A
(en)
*
|
1977-05-11 |
1979-03-20 |
Oak Industries Inc. |
Subscription TV audio carrier recovery system
|
US4222068A
(en)
*
|
1978-11-02 |
1980-09-09 |
American Television And Communications Corporation |
Subscription television apparatus and methods
|
IL58735A
(en)
*
|
1978-12-04 |
1982-01-31 |
Oak Industries Inc |
Subscription television coding system
|
US4338628A
(en)
*
|
1979-12-19 |
1982-07-06 |
Dynacom International, Inc. |
Scrambled video communication system
|
US4330794A
(en)
*
|
1979-12-31 |
1982-05-18 |
Gte Automatic Electric Laboratories, Inc. |
Multichannel subscription television system
|
US4353088A
(en)
*
|
1980-05-14 |
1982-10-05 |
Oak Industries, Inc. |
Coding and decoding system for video and audio signals
|
US4340906A
(en)
*
|
1980-05-14 |
1982-07-20 |
Oak Industries Inc. |
Video signal coding by video signal polarity reversal on the basis of brightness level comparison
|
US4336553A
(en)
*
|
1980-05-14 |
1982-06-22 |
Oak Industries |
Method of coding audio and video signals
|
US4325079A
(en)
*
|
1980-06-09 |
1982-04-13 |
Little William D |
Secure video transmission system
|
US4621285A
(en)
*
|
1980-12-10 |
1986-11-04 |
Jerrold Division, General Instrument Corporation |
Protected television signal distribution system
|
CA1153103A
(en)
*
|
1981-03-19 |
1983-08-30 |
Northern Telecom Limited |
Scrambling and unscrambling video signals in a pay tv system
|
JPS57164682A
(en)
*
|
1981-04-02 |
1982-10-09 |
Alps Electric Co Ltd |
Data processing circuit
|
US4466017A
(en)
*
|
1981-12-23 |
1984-08-14 |
Scientific-Atlanta, Inc. |
Sync suppression scrambling of television signals for subscription TV
|
US4471380A
(en)
*
|
1982-03-15 |
1984-09-11 |
Scientific-Atlanta, Inc. |
Scrambling and descrambling of television signals for subscription TV
|
US4467353A
(en)
*
|
1982-03-25 |
1984-08-21 |
Zenith Electronics Corporation |
Television signal scrambling system and method
|
US4706283A
(en)
*
|
1985-03-15 |
1987-11-10 |
Zenith Electronics Corporation |
Television signal scrambling system
|
US4901349A
(en)
*
|
1987-12-31 |
1990-02-13 |
Communications Satellite Corporation |
Time dispersal encryption of TV signals
|
US5142575A
(en)
*
|
1988-04-29 |
1992-08-25 |
Scientific-Atlanta, Inc. |
Method and apparatus for improving video scrambling and employing split sync pulses
|
US4924498A
(en)
*
|
1988-04-29 |
1990-05-08 |
Scientific Atlanta, Inc. |
Method and apparatus for improving video scrambling and employing split snyc pulses
|
US4926477A
(en)
*
|
1988-06-14 |
1990-05-15 |
General Instrument Corporation |
Cable television descrambler
|
US5177787A
(en)
*
|
1989-05-01 |
1993-01-05 |
Scientific-Atlanta, Inc |
Scrambler with self-calibration
|
US5394470A
(en)
*
|
1992-08-24 |
1995-02-28 |
Eidak Corporation |
Horizontal pulse augmentation of a video signal
|
KR0146026B1
(ko)
*
|
1994-04-13 |
1998-10-15 |
김광호 |
화상의 은닉 및 은닉해제를 위한 플레이어
|