CS249775B1 - Telegraph signal transmission equipment - Google Patents

Abstract

The solution belongs to the field of switching and telegraph technology and can be used in electronic telegraph devices and also in terminal devices for the transmission of discrete information. The aim of the solution is to increase the reliability, credibility of the transmitted information and the accuracy of control. The device for transmitting a telegraph signal includes a control block connected via commutators with a block of linear batteries and a diode bridge to a current sensor and a voltage sensor, the outputs of which are connected simultaneously to the input of the first logic element "A" and to the inputs of two threshold elements, the outputs of which are connected to the inputs of other logic elements A connected to the indication block and the input of the logic circuit OR connected by its output to the commutator.

Description

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BeHHO κο Bxofly nepBoro jiornnecKoro 3JieMeHTa "Η" h BxoflaM flByx noporoBbiK SJíeMeHTOB, BbIXOflbl KOTOpblX nOflKJHOHeHbl K BXOflaM APyrHX JIOTHHeCKHX OJieMeH- TOB 249,775 6 H, NO? KJnoMeHHbix K 6noxy ηηαηκβιχηη h Bxony JioriraecKoft cxeMU HJffl, bmxoaomnoflKjuoqeHHoň K KOMMyraTopy. IIpHSHaHo Η3θ6ρβτβΗΗβΜ no pe3yni »TaTaM 3KcnepfH3bi, ocyiqecTBJíeHHoft FocyflapcT · BeHHbíM Κομητθτομ CCCP no fleuaM H3o6peTeHnň η οτκρωτΗή. 1 Ηβρτβ «249775

Claims (3)

249 775 Ρ δ SDllS T OUT An apparatus for transmitting a telegraph signal comprising a current stabilizer and a control block, the outputs of which are connected to commutator inputs, the output of which is connected to a diode bridge, characterized in that: two threshold blocks, three elements A, three inverters, two elements OR, pulse former, block indication, current sensor and voltage sensor whose inputs are connected to a current stabilizer that is connected to the first input of the current sensor with diode bridge, which is connected by the second sensor input the output of the voltage sensor being connected to the inputs of the first and second threshold blocks, the output of the first threshold block being connected to the first input of the second element A, the output of the second threshold blocking the first inverter being connected to the first input the third element A, the outputs of the first, second and third pr with the corresponding inputs of the indication block and the first OR element, the output of which is connected to the input of the control block, the outputs of which through the second element OR are connected to the second inputs of the second and third elements A and the input of the second inverter whose first output is connected to the second input of the first element A, the third output of which is connected to the output of the third inverter, the input of which is connected to the third inputs of the second and third elements A and the output of the pulse former, to which the output of the second element OR is connected. 2. Apparatus according to claim 1, characterized in that the current sensor comprises an opto-coupler, a transistor, a thermistor, a resistor and an adjustable resistor which is connected in parallel to the optocoupler, 249775 of the photodiode anode is connected to a transistor emitter whose base is connected to the optocoupler photodiode cathode and the first thermistor outlet, the second terminal of which is connected to a first resistor outlet, the second terminal of which is connected to the transistor collector, which is the output of the current sensor whose inputs are adjustable resistor terminals. 3. Device according to claim 1, characterized in that the voltage sensor comprises an emitter follower, a thermistor, an adjustable resistor and an optocoupler, the anode and the cathode of the photodiode are simultaneously connected to the first terminals of the adjustable resistor and the thermistor, the anode of the optocoupler photodiode is connected to the input emitter-emitter whose output is the output of the voltage sensor whose inputs are the second pins of adjustable resistor and thermistor ·