| 摘要 |
1,236,507. Projector lamp. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 6 Nov., 1969 [9 Nov., 1968], No. 54439/69. Heading F4R. In a projector lamp having an ellipsoidal reflector of compressed glass and an electric incandescent halogen light source 13, the reflector is joined to a socket portion 37 the thickness of the socket walls being such that a is at the most twice as thick as b. The source 13 is cemented 23 into the socket. An alternative cross-section for the socket is disclosed in another figure (Fig. 4).
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