| 释义 |
Tungar Electronics.|ˈtʌŋgɑː(r)|
[f. tungsten + argon.]
A type of low-voltage discharge tube filled with argon and having a heated cathode of thoriated tungsten, used as a rectifier for currents of a few amperes. (A proprietary name in the U.S.)
1917Official Gaz. (U.S. Patent office) 4 Dec. 270/1 General Electric Company... Tungar... Rectifying apparatus. Claims use since October, 1916. 1935Nilson & Hornung Practical Radio Communication xv. 710 The Tungar battery charger..is a device for charging storage batteries from an alternating-current line. 1966McGraw-Hill Encycl. Sci. & Technol. VI. 61/1 Hot-cathode gas tubes... Three representative types may be distinguished, (1) the Tunger..; (2) the phanotron; and (3) the thyratron. |