Device for installing data transmission network over line, is fastened to support rail, where device comprises adapter and bell transformer, and support rail is cap rail, where line is current line
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Device for converting rotary motion into translational motion, has two moving devices and one magnetic device, where magnetic force is sufficient to implement translational motion of other moving device by rotary motion of moving device
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Device and method for establishing a connection between a telecommunications system and an external device
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Transfer of all the channels of a So-interface using a transparent network adapter that allows connection of all known ISDN end devices in an unmodified way to an IP LAN network without modification of the transfer protocol
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Data transmission method
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Telecommunication installation with two sets of function keys - enables calls to be made from subsidiary installation via main switchboard to subscriber in public network
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Interference-resistant electronic emergency alarm
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Position sensor with electromagnetic resetting which stores and can be operated by permanent magnets
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Housing for desk or wall mounted measuring appts. - has front plate with counter and display apertures releasably mounted in upper shell
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Telephone call metering circuit - has stepping motor counter complementary transistor threshold switch and class C amplifier at input
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Telephone call charge indicator - has compact impulse converter and counter indicator for installation in handset or separate housing
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Low power stepping motor for drum-type counters - has cylindrical permanent magnet rotor with poles of alternating polarity
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Stepping motor with multi-pole permanent magnet rotor - has two-part pancake stator winding in series opposition
