Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of BE504545ApublicationCriticalpatent/BE504545A/xx
H04Q1/00—Details of selecting apparatus or arrangements
H04Q1/18—Electrical details
H04Q1/30—Signalling arrangements; Manipulation of signalling currents
H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
H03K3/37—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of gas-filled tubes, e.g. astable trigger circuits
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03K—PULSE TECHNIQUE
H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
H03K5/01—Shaping pulses
H03K5/12—Shaping pulses by steepening leading or trailing edges