| 摘要 |
1,202,505. Discharge lamps. MATSUSHITA ELECTRONICS CORP. 25 Feb., 1969 [1 March, 1968: 30 May, 1968; 21 June, 1968; 30 Aug., 1968; 13 Sept., 1968], No. 9972/69. Heading H1D. [Also in Division H2] A fluorescent lamp 1 rated at 10 watts comprises an elongated glass envelope having an outer diameter of 25 mm., the envelope being filled with a mixture of mercury and argon and a phosphor coating applied to the inner surface of the envelope. The cathode 2 and anode 3 of the lamp may both be of the wound filamentary type but the anode may alternatively be in the form of two rod-like electrodes 3, 3<SP>1</SP> having a spacing therebetween of 5 mm. |
