13/00 | Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying |
13/02 | Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying to yield a signal which is a function of two or more signals, e.g. sum, product |
15/00 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path |
15/02 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division |
15/04 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies |
15/06 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division |
15/08 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division the signals being represented by amplitude of current or voltage in transmission link |
15/10 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division the signals being represented by frequencies or phase of current or voltage in transmission link |
15/12 | Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division the signals being represented by pulse characteristics in transmission link |
17/00 | Arrangements for transmitting signals characterised by the use of a wireless electrical link |
17/02 | Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link |
17/04 | Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices |
17/06 | Arrangements for transmitting signals characterised by the use of a wireless electrical link using capacity coupling |
19/00 | Electric signal transmission systems (G08C 17/00 takes precedence) |
19/02 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) |
19/04 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) using variable resistance |
19/06 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) using variable inductance |
19/08 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) using variable inductance differentially influencing two coils |
19/10 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) using variable capacitance |
19/12 | Electric signal transmission systems (G08C 17/00 takes precedence) in which the signal transmitted is frequency or phase of ac |