Electronic Engineering Company of California (EECO) was a major supplier of Time Code Generators and Timing Systems for government and scientific purposes, and in 1966 adapted that technology to time code for Television.
 
Click here for more on EECO Time Code
 

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Its often said, that the first car you drive, is the one you remember most fondly... and in editors, the EECO-900 is one I remember with great fondness!
 
An Ampex VR-2000, equipped with the EECO-900 editor and using On Time® time code, gave the editor as honest, flexible and reliable tool as you could want.
 
The EECO editor was used to do a variety of major network series and specials, as well as countless commercials. Its editing flexibility ranged from something as simple as inserting a commercial, to something as complex as a classic western-barroom fight.
 
Beyond just using the EECO-900 as an editor, it could be used to frame accurately trigger a dissolver (the HS-200's switcher with its little patch panel was a great companion), or use it with a small camera to "burn-in" time code in a dub or kine, or start as many machines as needed for an A, B, C, ... roll, or synchronize to an audio playback for a lay back.
 
A few of the people that developed the EECO 900:
Don Sweet
Jim Davies
Dick Davies
Doug Weddington
Jim Blecksmith
Gary Ware
John Baughman
 
Jim Russell (CBS)
Dick Hill (CBS)
 
 

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Circa 1970's post production control room. Visible in the picture on the right is a custom built time code comparator which is driven from the EECO time code. Video switcher, support equipment, and an Ampex HS-100/200.

This is a custom designed and built multiple time code comparator.

It used the EECO time code from the master tape machine to control the switcher and HS-100/200. With it you could do complex film A/B rolls including dissolves and titling.