Selective Visual Display Systems / Acoustic Wave Systems / Generic Control Systems / /
IndustryTerm
similar electrical pulse storage systems / electric wave transmission systems / electromagnetic wave energy / fire alarm systems / electric space discharge devices / facsimile systems / selective systems / manipulable pointing device / carrier wave communications / cable-type telegraph systems / electricity / printing / digital pattern reading-type converter using optical device / electrical testing systems / printing telegraphs / perceptible form using optical devices / multiplex systems / cryptographic equipment / extraneous electromagnetic energy / display device / telephone type repeaters / telephone circuits / printing telegraph / telephony / cathode ray tube systems / anti-inductive telephone system / movable tools / propagated energy / digital communications / conductive transmission systems / hybrid type networks / light sensitive device / chemical action / telephone systems / data processing control system / space induction systems / printing systems / telemetric systems / spectrographic scanning devices / circuit maintenance systems / handheld pointing device / electrical safety systems / pen facsimile systems / Automatic systems / signal box telegraph systems / plural channel systems / electrical networks / configuration devices / inductor devices / signal box systems / nonpulse carrier wave communications / electric systems / electric type recording devices / modified alternating current telegraph systems / wave shaping networks / delay networks / selective nontelegraph systems / pulse communications / vibratory transmission systems / electrical pulse energy / chemical-type telegraph systems / type printing recorders / / /
JanuaryCLASSIFICATION DEFINITIONS CLASS 178, TELEGRAPHY SECTION I - CLASS DEFINITION