Arrangements wherein a dial or the like generates identifying signals, e.g. in party-line systems

Full Title

Substation equipment, e.g. for use by subscribers > Devices for calling a subscriber > Generation of additional signals, e.g. additional pulses > Arrangements wherein a dial or the like generates identifying signals, e.g. in party-line systems

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

TELEPHONIC COMMUNICATION