Contact spring carrier made of insulating material
DE666584C
Remote control system for the generation and transmission of the remote control of resonance relays, in particular control currents of a certain frequency superimposed over power networks
DE642870C
Small synchronous motor with a toothed iron runner and main and auxiliary poles formed according to the shaded pole principle
DE638812C
Device for measuring the power factor, in which both the voltage and the current are kept constant by means of constant holding devices
DE623168C
Switch controlled by a locking switch and also operated by hand with a push-button contact spring arrangement
DE676007C
Master clock with an automatic readjustment of the slave clocks
DE595320C
Terminal piece on enclosed electrical apparatus
DE608567C
Device for the remote transmission of measured quantities, in particular electrical measured quantities, with the aid of pulses, the frequency of which is proportional to the measured quantity
DE603510C
Switches, especially for automatic switchgear, with upstream and main contacts
DE583459C
Contact device for measuring instruments, especially electricity counters, used to generate pulses
DE547455C
Resonance relay based on the Ferrari principle
DE603672C
Remote-controlled control resonance device in which the control axis of a device for the optional execution of work processes is brought into specific angular positions by resonance springs tuned to different frequencies
DE640201C
Tax resonance device, especially for double tariff meters
DE558541C
Device for remote transmission of measured quantities
DE554862C
Magnetic coil for electrical apparatus, in particular for counters and other measuring instruments
DE578391C
Adjustment device for clock systems, in particular on ships
DE573508C
Astronomical day disk with a day hour scale for time switches that can be set in relation to the coaxial monthly scale
DE495646C
Device for suppressing the morning switching on time switches with switch pins that can be set partly only by hand and partly astronomically adjusted
DE507440C
Time switch for at least two circuits
DE512042C
Arrangement on time switches for electrical circuits