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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.