Dave Larky's Patents



The patent shown above, which is the first in the following list, is for the familiar color bar test pattern. Everywhere in the world this test pattern is THE standard, and can be seen on local and international TV. This was the very first digital color graphic !!


Patent Number and Title


2,742,525 Color Test Pattern Generator

2,757,229 Automatic Chroma Control

2,838,740 Heat Exchanger

2,879,328 Color Television

2,879,329 Color Television

2,897,260 Color Television

2,908,747 Color TV Receiver Oscillator System

2,948,775 Color Television Automatic Chroma Control

2,952,736 Color Television Receiver Demodulator

2,980,760 Automatic Gain Control

3,142,835 Position Indicator

3,271,767 Radar Tracking

3,271,768 Radar Tracking System


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