Patent for Sale:Private Listing: Number 5890
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Class 333: Wave Transmission Lines And Networks
Electric wave transmission systems wherein electromagnetic wave energy is guided or constrained by a wave transmission device of the long line type other than loaded lines. Included are passive wave transmission networks simulating the characteristics of a long line wave transmission systems or wave guides, such as artificial lines, delay networks, resonators, impedance matching networks, equalizers, wave filters and transmission line terminations. Passive coupling networks and terminating networks having either lumped or distributed electrical circuit parameters and having impedance characteristics. Smoothing type wave filters having shunt capacitance, or series inductance. Networks including a wave transmission device and means for decreasing the amplitude range of the signal applied to the transmission device as the signal increases in amplitude and means for increasing or restoring the amplitude range of the signal after the transmission over the transmission device. Passive networks for producing an output wave which is the time derivative or time integral of the input wave. Systems including active elements for producing across at least two of the system terminals a negative resistance, and/or an inductance, or capacitance which may be positive or negative. Wave traps using long line elements.
Class 370: Multiplex Communications
This is the generic class for multiplexing or duplexing systems, methods, or apparatus.
Class 343: Communications: Radio Wave Antennas
Antennas for the transmission of radio wave energy through the natural media - air, earth, water, etc. for point-to-point communication or for the reception of such transmitted radio wave energy. Aparatus and systems which constitute part of an antenna transmission or reception.
Class 455: Telecommunications
This is the generic class for modulated carrier wave communications not elsewhere classifiable.
Class 348: Television
Generating, processing, transmitting or transiently displaying a sequence of images, either locally or remotely, in which the local light variations composing the images may change with time.