Parts of cathode ray tubes

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pulse counters, pulse dividers, or shift registers: circuits and systems patents (class ) applications (class / ) control (class / ) counting on an object, areas having alternating physical properties (e.g., counting lines on grid, teeth on gear, windings on coil) (class / ) betting on the outcome of

an event; totalizers (class / ) game or sport (class / ) counting animate or inanimate entities (class / ) registering counts for different categories (e.g., accounting) (class / ) counting based on number of times machine or apparatus operates (class / ) determining machine or apparatus operating time...

https://patents.justia.com/patents-by-us-classification/377

intensity of an economy by considering the knowledge intensity of the products it exports. pci measures the knowledge intensity of a product by considering the knowledge intensity of its exporters. this circular argument is mathematically tractable and can be used to construct relative measures of the

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bulbs tour : click picture below for previous back to mike's electric stuff click picture below for next lamps arc tubes flash lamps osram v w, military, probably for small searchlight or signal lamp. bulb ⁄ " dia. siemens v w signalling lamp, " dia. x " long. see what happens when you put this bulb

info from james hooker : this is probably a pirani gauge, used for measuring vacuum quality. the side tube is sealed onto a vacuum system, pumped down, and a low current applied to the filament to raise it to a couple of hundred degrees. depending on how much gas is left in the system, the filament temperature...

http://www.electricstuff.co.uk/bulbs.html

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of all-electronic television (including image dissectors and other camera tubes and cathode ray tubes for the reproducer) marked the beginning of the end for mechanical systems as the dominant form of television. mechanical tv usually only produced small images. it was the main type of tv until the

fundamental function of the modern cathode ray tube (crt). the earliest version of the crt was invented by the german physicist karl ferdinand braun in and is also known as the braun tube. [ ] [ ] it was a cold-cathode diode , a modification of the crookes tube with a phosphor -coated screen. a cathode...

https://en.wikipedia.org/wiki/History_of_television

thing of the past. but for problems of this magnitude they are the only things on the market that will do the job. vacuum and gas filled switching tubes, introduction and terminology. there are a great many different types of vacuum tube in existence, however it is possible to group tubes according to

. the source of the free conduction electrons in the device may be either thermal such as a heated filament physically associated with the cathode of the device - a hot cathode, or alternatively a simple consequence of a high voltage gradient across the device, resulting in autoemission from the cathode...

http://www.electricstuff.co.uk/pulse.html

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ray tube circuits (class / ) combined cathode ray tube and circuit element structure (class / ) compensating for stray deflecting fields (class / ) pulse storing (class / ) plural cathode-ray tubes in the circuit (class / ) with radiant energy sensitive control means (class / ) with secondary emission...

https://patents.justia.com/patents-by-us-classification/315

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