IPC-Stelle: G08C [Version 2017.01]

SymbolTypTitel
GSKPHYSICS
G08KLSIGNALLING
G08CUKLTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmission systems F15B;  mechanical means for transferring the output of a sensing member into a different variable G01D 5/00;  mechanical control systems G05G) [4]
G08C 13/00HGRArrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying [1, 2006.01]
G08C 13/02UGR1
.to yield a signal which is a function of two or more signals, e.g. sum, product [1, 2006.01]
G08C 15/00HGRArrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path [1, 2006.01]
G08C 15/02UGR1
.simultaneously, i.e. using frequency division [1, 2006.01]
G08C 15/04UGR2
. .the signals being modulated on carrier frequencies [1, 2006.01]
G08C 15/06UGR1
.successively, i.e. using time division [1, 2006.01]
G08C 15/08UGR2
. .the signals being represented by amplitude of current or voltage in transmission link [1, 2006.01]
G08C 15/10UGR2
. .the signals being represented by frequencies or phase of current or voltage in transmission link [1, 2006.01]
G08C 15/12UGR2
. .the signals being represented by pulse characteristics in transmission link [1, 2006.01]
G08C 17/00HGRArrangements for transmitting signals characterised by the use of a wireless electrical link [1, 6, 2006.01]
G08C 17/02UGR1
.using a radio link [6, 2006.01]
G08C 17/04UGR1
.using magnetically coupled devices [6, 2006.01]
G08C 17/06UGR1
.using capacity coupling [6, 2006.01]
G08C 19/00HGRElectric signal transmission systems (G08C 17/00 takes precedence) [1, 2006.01]
G08C 19/02UGR1
.in which the signal transmitted is magnitude of current or voltage (G08C 19/36, G08C 19/38 take precedence) [1, 2006.01]
G08C 19/04UGR2
. .using variable resistance [1, 2006.01]
G08C 19/06UGR2
. .using variable inductance [1, 2006.01]
G08C 19/08UGR3
. . .differentially influencing two coils [1, 2006.01]
G08C 19/10UGR2
. .using variable capacitance [1, 2006.01]
G08C 19/12UGR1
.in which the signal transmitted is frequency or phase of ac [1, 2006.01]
G08C 19/14UGR2
. .using combination of fixed frequencies [1, 2006.01]
G08C 19/16UGR1
.in which transmission is by pulses [1, 2006.01]
G08C 19/18UGR2
. .using a variable number of pulses in a train [1, 2006.01]
G08C 19/20UGR3
. . .operating on dynamo-electric devices, e.g. step motor [1, 2006.01]
G08C 19/22UGR2
. .by varying the duration of individual pulses [1, 2006.01]
G08C 19/24UGR2
. .using time shift of pulses [1, 2006.01]
G08C 19/26UGR2
. .by varying pulse repetition frequency [1, 2006.01]
G08C 19/28UGR2
. .using pulse code [1, 2006.01]
G08C 19/30UGR1
.in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels (G08C 19/38 takes precedence) [1, 2006.01]
G08C 19/32UGR2
. .of one conductor or channel [1, 2006.01]
G08C 19/34UGR2
. .of a combination of conductors or channels [1, 2006.01]
G08C 19/36UGR1
.using optical means to convert the input signal [1, 2006.01]
G08C 19/38UGR1
.using dynamo-electric devices (operated by pulses G08C 19/20) [1, 2006.01]
G08C 19/40UGR2
. .of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor [1, 2006.01]
G08C 19/42UGR3
. . .having three stator poles [1, 2006.01]
G08C 19/44UGR3
. . .having more than three stator poles [1, 2006.01]
G08C 19/46UGR2
. .of which both rotor and stator carry windings (having squirrel-cage rotor G08C 19/40) [1, 2006.01]
G08C 19/48UGR3
. . .being of the type with a three-phase stator and a rotor fed by constant-frequency ac, e.g. selsyn, magslip [1, 2006.01]
G08C 21/00HGRSystems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system [1, 5, 2006.01]
G08C 23/00HGRNon-electric signal transmission systems, e.g. optical systems [1, 2006.01]
G08C 23/02UGR1
.using acoustic waves [6, 2006.01]
G08C 23/04UGR1
.using light waves, e.g. infra-red [6, 2006.01]
G08C 23/06UGR2
. .through light guides, e.g. optical fibres [6, 2006.01]
G08C 25/00HGRArrangements for preventing or correcting errors; Monitoring arrangements [1, 2006.01]
G08C 25/02UGR1
.by signalling back from receiving station to transmitting station [1, 2006.01]
G08C 25/04UGR1
.by recording transmitted signals [1, 2006.01]