LabGuy's World: Extinct IVC (International Video Corp.) Equipment


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IVC Headquarters building. IVC Headquarters: The original IVC building at: 675 Almanor Avenue Sunnyvale, California. Photo: John Sangster.
IVC 1-11: Color, 1 inch tape, 5 heads, helical scan, reel to reel broadcast VTR. Photo: William Meyer
IVC 1-11: 5 head scanner assembly. The control track head is built into the scanner drum face to facilitate excellent tape interchange between decks. Photo: William Meyer
IVC 1-11 VTR that never was! IVC 1-11: A very nice close up view of the IVC broadcast reel to reel broadcast VTR deck. Photo: William Meyer
IVC 1-11: shown here in it's editing configuration. Photo: William Meyer
IVC 1-11: Circuit boards were large and opened in a gull wing fashion to facilitate easy servicing in the field. Photo: William Meyer
IVC-500: Spec's: Color, 1" tape, 1 head, full helical scan, 8" reels, 6-1/2 IPS, 60 minute record / playback time, weighed only 38 pounds. Photo & info: Electronics World Magazine - November, 1966.
IVC 700 - 1 inch, alpha wrap helical scan VTR. IVC-700: Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: John Sangster.
IVC-711 IVC-711: New photo! Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: Michael Niermann.
IVC-711 IVC-711: New photo! Close up shot of the head drum. Photo: Michael Niermann.
IVC-800A: Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: www.ebay.com
IVC-801 IVC-801: New photo! Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: Michael Niermann.
IVC-801_001 IVC-801: New photo! Internal view of this VTR. Photo: Michael Niermann.
IVC-860: Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: Gary Duck.
IVC 871 - 1 inch, alpha wrap helical scan VTR. IVC-871: Color, 1 inch tape, 1 head helical scan, reel to reel VTR. Photo: John Sangster.
IVC 961P - 1 inch, alpha wrap helical scan VTR. IVC-961P: Color, 1 inch tape, 1 head, alpha wrap, helical scan, reel to reel, Video Tape Recorder. The P suffix implies that this model "Processed" the color signal using the heterodyne method. Photo: John Sangster.
IVC 961P - 1 inch, alpha wrap helical scan VTR. IVC-961P: Closer look at the take up reel and tape tension roller arm. Heterodyne color correction is the method used by Umatic, Beta, VHS and virtually all other low priced VTR's. High end machines use the "direct color method. Photo: John Sangster.
IVC 961P - 1 inch, alpha wrap helical scan VTR. IVC-961P: Close up of the video head drum - note the full "ALPHA Wrap" and the head cross over point at the center of the picture. Direct color playback requires a very stable head servo and a more complex color processor. Photo: John Sangster.
IVC Video Head in detail IVC Video Head: Close up details of the video head itself. This head is about 3/4 of an inch long (1.9 CM). Observe how tiny the actual ferrite "tip" and copper wire is. Photo: LabGuy.
Scope display of alpha wrap cross over glitch. IVC-961P: Waveform of the Vertical Blanking Interval "glitch" common to all one head VTR's. Signal is lost at the moment that the video head crosses the point where the entering and exiting tape meet. Photo: John Sangster.
IVC-9000 - 2 inch, segmented helical scan VTR IVC-9000: Color, 2 inch tape, omega wrap, segmented helical scan, reel to reel VTR. One of the earliest frame accurate editors! Way ahead of it's time, capable of recording a 655 line, 48 field / 24 frame special video format used in film production. Photo: Wesley Orr
IVC-900 with covers open IVC-9000: Color, 2 inch tape, omega wrap, segmented helical scan, reel to reel VTR. Full frontal view, with cover up. Photo: William Meyer
IVC VCR-100 video cartridge recorder VCR-100: Color, 1 inch tape, alpha wrap, helical scan, video cartridge recorder. Photo: John Sangster.
IVC VCR-100 video cartridge recorder VCR-100: Color, 1 inch tape, alpha wrap, helical scan, video cartridge recorder. Photo: John Sangster.
VCR-100: 1 inch tape and a VCR-100: 1 inch tape and a cartridge. Photo: John Sangster.

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Last updated: January 09, 2005