Code-responsive control receiver

Claim 2

A code-responsive control receiver for response to a preselectable code combination which operates on the pulse interval principle and has at least one polarized command relay, said receiver comprising a pulse circuit with pulse sequences of active and passive preselection pulses for the preselection of the code combination, a synchronous selector and switching members actuable by said selector to connect said command relay to said pulse circuit, a receiver input having a receiver relay with a normally opened circuit closer responsive to the rhythm of the arriving preselector and control pulses in combination with a direct voltage source having two poles, said pulse circuit being connected to one of said poles when said closer is closed, first and second flip flop transistor stages, said command relay having two differential working coils, said first flip flop stage being connected to said switching member to be controlled thereby and being connected through said second flip flop stage to said two differential coils of the command relay so that the system operates to selectively activate particular loads or load groups in accordance with the preselected code pulse combination.

Claim 3

A code-responsive control receiver for response to a preselectable code combination which operates on the pulse interval principle and has at least one polarized command relay, said receiver comprising a pulse circuit with pulse sequences of active and passive preselection pulses for the preselection of said code COMBINATION, a synchronous selector and switching members actuable by said selector to connect said command relay to said pulse circuit, a receiver input having a receiver relay with a normally opened circuit closer responsive to the rhythm of the arriving preselector and control pulses in combination with a direct voltage source having two poles, said pulse circuit being connected to one of said poles when said closer is closed, a first bistable flip flop stage having a first transistor whose base electrode is connected to said source, said first flip flop stage having a second transistor parallel ones of said switching members being responsive to said active preselector pulses, a diode and a capacitor serially connecting the base electrode of said second transistor with said one pole of said direct voltage source when said latter switching members are closed, a resistance member connected across said capacitor, a voltage divider connected between said latter switching members and said diode on the one hand and the other pole of said direct voltage source on the other hand, an overlapping transistor, said voltage divider having a tap connected to the base electrode of said latter transistor, a series resistor connecting the collector electrode of said latter transistor to said first pole of said source, the emitter electrode of said latter transistor being connected with said second pole, a switching transistor connected to and controllable by said first transistor and connected in parallel to said emitter electrode of said overlapping transistor, a second bistable flip flop stage comprising another first transistor, a quenching member connecting the control input of said latter transistor with said first pole of said source, said second flip flop having another second transistor connectable through parallel ones of the passive pulse related ones of said switching members with said pulse circuit, a transverse resistor connecting the base electrode of said latter second transistor with the collector electrode of said overlapping and switching transistor, said command relay having two differential working coils with a common feed lead connected to said other pole of said source, and a blocking transistor interposed in said common lead and in controlled connection with said first transistor of said second flip flop stage.

Claim 4

A code-responsive control receiver for response to a preselectable code combination which operates on the pulse interval principle and has at least one polarized command relay, said receiver comprising a pulse circuit with pulse sequences of active and passive preselection pulses for the preselection of said code COMBINATION, a synchronous selector and switching members actuable by said selector to connect said command relay to said pulse circuit, a receiver input having a receiver relay with a normally opened circuit closer responsive to the rhythm of the arriving preselector and control pulses in combination with a direct voltage source having two poles, said pulse circuit being connected to one of said poles when said closer is closed, a first bistable flip flop stage having a first transistor whose base electrode is connected to said source, said first flip flop stage having a second transistor parallel ones of said switching members being responsive to said active preselector pulses, a diode and a capacitor serially connecting the base electrode of said second transistor with said one pole of said direct voltage source when said latter switching members are closed, a resistance member connected across said capacitor, a voltage divider connected between said latter switching members and said diode on the one hand and the other pole of said direct voltage source on the other hand, an overlapping transistor, said voltage divider having a tap connected to the base electrode of said latter transistor, a series resistor connecting the collector electrode of said latter transistor to said first pole of said source, the emitter electrode of said latter transistor being connected with said second pole, a switching transistor connected to and controllable by said first transistor and connected in parallel to said emitter electrode of said overlapping transistor, a second bistable flip flop stage comprising another first transistor, a quenching member connecting the control input of said latter transistor with said first pole of said source, said second flip flop having another second transistor connectable through parallel ones of the passive pulse related ones of said switching members with said pulse circuit, a transverse resistor connecting the base electrode of said latter second transistor with the collector electrode of said overlapping and switching transistor, said command relay having two differential working coils with a common feed lead connected to said other pole of said source, and a blocking transistor interposed in said common lead and in controlled connection with said first transistor of said second flip flop stage.

Claim 5

A control receiver according to claim 2, comprising a shunt circuit connected in parallel with said voltage divider and comprising a resistor and a capacitor in series connection with each other.

Claim 6

A control receiver according to claim 2, comprising a blocking diode connected between said pulse circuit and the control input of said second flip flop stage at a point of said latter control input where said latter input is connected through said quenching contact with said first pole of said direct voltage source.

Claim 7

A control receiver according to claim 2, comprising a free-wheeling diode connected in parallel with said working coils of said command relay.