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D.C.-coupled video clamping circuit
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GB2041707A
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Arrangement for distribution of television games and the like
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Digital channel selection and fine tuning system
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Digital frequency lock tuning system
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Television signal switching apparatus
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System arrangement for distribution and use of video games
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Programmable modular electronic register and method of implementing same
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Modular radio frequency amplifier having a gain variable by external passive component selection
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IT1069753B
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Overvoltage protection system for TV aerial system - has AC receiver, transformer switches and overvoltage triggers
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DE2607722A1
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EMERGENCY POWER SYSTEM WITH OVERVOLTAGE PROTECTION FOR RADIO FREQUENCY DISTRIBUTION NETWORKS
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Radio frequency distribution network standby power system with overvoltage protection
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Homodyne automatic frequency control circuit
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CA1025946A
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Overvoltage protection arrangement
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Radio frequency energy signalling apparatus
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Bilateral communications system for distributing commerical and premium video signaling on an accountable basis
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Video encription system
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Catv primary and auxiliary power distribution apparatus
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R. f. impedance bridge for measuring reflection coefficient
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Electronic amplifier with dual automatic slope control
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Tor diameters electrical connector operable for diverse coaxial cable center conduc
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