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Central Investment Corp

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1973

consumer_electronicsmechanical

Key Inventors

L Blackwell1

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1 patents, in 1973

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1973 — How Vacuum Tubes Detect Tiny Changes in High-Resistance Sensors

US 3735375·1973

How Vacuum Tubes Detect Tiny Changes in High-Resistance Sensors

A 1973 circuit design using a vacuum tube to detect microscopic resistance shifts in sensors like ionization chambers, commonly used in early smoke detectors.

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Central Investment Corp

1 patents, in 1973

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