Circuit arrangement for axis counting systems that differ in direction
DE1167442B
AC voltage generator fed by a stabilized DC voltage source
DE1179302B
Electromagnetic relay with positive contacts
DE1180396B
Arrangement for the control of several reversible, each with a three-phase motor outfitted electric motor drives over four wires between the drive group and control unit, for adjusting devices in railway systems
DE1163363B
Method for transferring characters from one magnetic track to another, especially for train numbers in railway systems
DE1136142B
Method for monitoring the synchronous running of two identical binary switching units
DE1172503B
Device with two bodies performing limited movements and with a device for the mutual locking of these bodies
DE1175265B
Four-wire control circuit for a reversible electromotive drive, preferably for switches and. Like. In railway signal boxes
DE1153793B
Method for the transmission of characters, which are stored in the form of magnetic tracks, from one magnetic track to another, in particular train numbers in railway systems
DE1157256B
Circuit for controlling a reversible electric motor drive over four wires
DE1169491B
Axle count pulse generator in railway systems
DE1157255B
Signal switching in railway security systems
DE1106807B
Switching arrangement that responds to control pulses repeating in a periodic sequence with a specified duration of the pulses and the pulse gaps
DE1149737B
Circuit for controlling a reversible, electromotive drive over four wires
DE1161579B
Cuttable tip lock for railway switches
DE1042630B
Reversible electromotive drive of point setting devices over four wires by means of a two-phase motor
DE1086725B
Automatic steering device for road vehicles with rubber tires
DE1155807B
Remote control device for railway security systems
