local-battery telephone set

local-battery telephone set

[′lō·kəl ′bad·ə·rē ′tel·ə‚fōn ‚set]
(electronics)
Telephone set for which the transmitter current is supplied from a battery, or other current supply circuit, individual to the telephone set; the signaling current may be supplied from a local hand generator or from a centralized power source.
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