"tuning eye" tube

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• Magic eye tube — EM11 tuning eye A magic eye tube gives a visual indication for audio output, radio frequency signal strength, or other functions. It is also called a cat s eye, or tuning eye tube. These tubes were used by radio receivers from around 1936 onwards …   Wikipedia

• tuning eye — noun : a cathode ray tube designed to aid in precise tuning of a radio circuit …   Useful english dictionary

• Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Russian tube designations — Receiver tubes = In the 1950s a 5 element system (GOST 5461 59, later 13393 76) was adopted in the (then) Soviet Union for designating receiver vacuum tubes.The 1st element (from left to right) is (for receiving tubes) a number specifying… …   Wikipedia

• Williams tube — The Williams tube or the Williams Kilburn tube (after inventors Freddie Williams and Tom Kilburn), developed about 1946 or 1947, was a cathode ray tube used to electronically store binary data.Working principleThe Williams tube depends on an… …   Wikipedia

• electron-ray tube — noun : electric eye 2 * * * /i lek tron ray /, Electronics. a small cathode ray tube having a fluorescent screen on which the pattern varies with the voltage applied to the grid: used chiefly in radio receivers to indicate accuracy of tuning.… …   Useful english dictionary

• electron-ray tube — /i lek tron ray /, Electronics. a small cathode ray tube having a fluorescent screen on which the pattern varies with the voltage applied to the grid: used chiefly in radio receivers to indicate accuracy of tuning. Also called electric eye. * * * …   Universalium

• electric eye — photoelectric cell; miniature tube used to determine a condition (radio tuning, etc.) …   English contemporary dictionary

• List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …   Wikipedia

• Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …   Wikipedia