Video History Project
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Hearn, William

18 records

  1. 3,627,912 "Visual Display of Complex Color Television Sound Wave Signals" (2 copies) and EAB VideoLab Modules A through D Bibliography

    Note on Xerox : "Vidium Patent". Patent Info.: 3,627,912 "Visual Display of Complex Color Television Sound Wave Signals", William E. Hearn, Atherton, California; assignor to Charles W. Kieser, San Francisco, California, a part interest. Filed April 23, 1969, Ser. No. 818,666. "This disclosure involv…

  2. '77 Videolab Input Board Sketch; Power Supply; Input Circuits-Pin Connections Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  3. '77 Videolab Matrix Switcher Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  4. '77 Videolab Module "A" Complete Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  5. '77 Videolab Module Wiring Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  6. '77 Videolab Output Keyer Fader, Effects Amp, and Options Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram.

  7. '77 Videolab Voltage Controlled Colorizer, Genlock Version Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  8. '77 Videolab Wiring Diagram for "A" Module Bibliography

    EAB Videolab designed by William Hearn. Reduced xerox copy of circuit diagram with "CMS" initials on lower right. (Center For Media Study- SUNY Buffalo).

  9. EAB Videolab Bibliography

    EAB Videolab designed by William Hearn. Black and White Glossy Photo of Modules A through D, Module E, Scientific Video Colorizer 400-S, Contact Sheet: of Lissajous type patterns, Woody Vasulka, wide shots of stacked modules. Location of Negatives unknown.

  10. EAB VideoLab Instruction Manual (E-Module) Bibliography

    EAB VideoLab designed by Bill Hearn: Complete instruction manual. Sections include: Introduction; General Theory; External Connections; Matrix Switcher; Output Keyer Fader; Colorizer; CV / Key Sources; Attenuators / CV Sources; Pattern Generator; Processor; Dual Tri-Stable; Timer; Sample Patch Diagr…

  11. EAB VideoLab Instruction Manual (Modules A-D) Bibliography

    EAB VideoLab designed by Bill Hearn: Complete instruction manual. Sections include: Introduction; Signals in the VideoLab; Jacks in the VideoLab; Diodes in the VideoLab; Module B; Module A; Module C; Module D; Effects Manual. Various illustrations throughout.

  12. EAB Videolab Interconnections or Patch Diagrams 1 through 12 Bibliography

    EAB Videolab designed by William Hearn. 1. Vertical Interval Switching. 2. Cross Fade Channel 1 and 3. 3. Automatic Crossfade Channel 1 and 3. 4. Horizontal (or other) Split Screen or Wipe Channel 1 and 3. 5. Luminance Key 6. Negative Video Using Effects Amp. 7. Colorizer, Synthetic (Artificial) Ima…

  13. EAB VideoLab Module E Effects Manual (Volume One) Bibliography

    EAB VideoLab designed by Bill Hearn: Complete manual (volume one) of effects; descriptions of effects correspond with patch diagrams. Effects include: switiching and cross fading; split screens and wipes; grey level keying; effects amplifier; colorizer; audio interface; chroma keyer. Sample Patch Di…

  14. EAB VideoLab Module E Summary Bibliography

    EAB VideoLab designed by William Hearn: Product Summary, Block Diagram "Typical Application", Applications, Specifications, Technical Specifications, "The Videolab Module E: A New Concept in Video Special Effectrs Generators"- Description, Features, Effects, Black and White Xerox of Front Panel of u…

  15. EAB VideoLab Modules A through D (3 copies) Bibliography

    EAB VideoLab designed by William Hearn: Color Xerox of Module A and B, Black and White Xeroxes of Modules A through D with corresponding descriptions. 1. The Basic System- Modules A and B are used together and provide Genlock, Switcher, SEG, and Colorizer features. These units are capable of produci…

  16. EAB Videolab Schematics Bibliography

    schematics for: rear panel and power supply; linear key colorizer; 4 x 4 matrix switcher; Output keyer/fader; control voltage keyer 1 of 3; attenuators and c.v. sources; pettern generator; processor; tristable logic 1 of 2; c.v. and timer; universal 6 channel video input circuits

  17. Letter Regarding VideoLab Bibliography

    Cover letter to Woody Vasulka from electronic engineer William Hearn from EAB regarding Vasulka's interest in the VideoLab Colorizer; product literature enclosed. Mentions Edin Velez (of MPCS).

  18. The Video Colorizer: 3,627,912 "Visual Display of Complex Color Television Sound Wave Signals" Bibliography

    Video Colorizer designed by Bill Hearn. Illustration of front panel with description: "The Video Colorizer is capable of simultaneously adding color to a monochrome video signal and total modification of gray scale. This instrument allows the operator to divide the gray scale of video into four or m…