Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Patent
1983-07-25
1984-04-24
Psitos, Aristotelis M.
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
358166, 358167, 358315, 358335, H04N 5785, H04N 514, H04N 521, H04N 9491
Patent
active
044451520
ABSTRACT:
A detail enhancing circuit for use with video tape recorders recovers or separates detail from the overall video signal and adds amplified detail back into the video signal. The luminance signal is differentiated and high amplitude transitions are clamped, leaving the detail information.
REFERENCES:
patent: 2678964 (1954-05-01), Loughlin
patent: 2921121 (1960-01-01), Grundmann et al.
patent: 3117278 (1964-01-01), Johnson
patent: 3207854 (1965-09-01), Johnson
patent: 3286024 (1966-11-01), Melchior
patent: 3288930 (1966-11-01), Johnson
patent: 3333055 (1967-07-01), Krause
patent: 3532808 (1970-10-01), Fujisawa
patent: 3715477 (1973-02-01), Olson et al.
patent: 3760094 (1973-09-01), Skerlos
patent: 3780215 (1973-12-01), Shibata et al.
patent: 3789133 (1974-01-01), Kline
patent: 3798353 (1974-03-01), Illetschko
patent: 3875537 (1975-04-01), Dolby
patent: 3952227 (1976-04-01), Hofman et al.
patent: 3980819 (1976-09-01), Schwartz
patent: 4003079 (1977-01-01), Woo
patent: 4009334 (1977-02-01), Sypula
patent: 4030121 (1977-06-01), Faroudja
patent: 4074321 (1978-02-01), Miller
patent: 4075661 (1978-02-01), Heffron
patent: 4080628 (1978-03-01), Jirka
patent: 4091420 (1978-05-01), Omori et al.
patent: 4096516 (1978-06-01), Pritchard
patent: 4142221 (1979-02-01), Faroudja
patent: 4143397 (1979-03-01), Holmes
patent: 4176373 (1979-11-01), Dillon et al.
patent: 4198650 (1980-04-01), Hongu et al.
patent: 4223339 (1980-09-01), Lagoni et al.
patent: 4223340 (1980-09-01), Bingham et al.
patent: 4240103 (1980-12-01), Poetsch et al.
patent: 4245238 (1981-01-01), Fuhrer
patent: 4249202 (1981-02-01), Perry et al.
patent: 4262304 (1981-04-01), Faroudja
patent: 4268864 (1981-05-01), Green
"Television Engineering Handbook"; Fink (Ed. in Chief) First Edition, 1957; McGraw-Hill Book Co., Inc., pp. 16-100-107.
CBS Labs Technical Bulletin, "Mark IV Automatic Image Enhancer, Models 8010, 8310 and 8410".
"A New Technique for Improving the Sharpness of Television Pictures", Oct. 1951, Journal of SMPTE, vol. 57, Goldmark et al., pp. 382-397.
McGraw-Hill Encyclopedia of Science and Technology, vol. 5, p. 47, .COPYRGT.1960, 1966, 1971.
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