Patent ID: 11908676
Assignee: USHIO DENKI KABUSHIKI KAISHA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The xenon lamp for a projector, according to claim 1, wherein the shape of the second part further satisfies the following relationships (3) and (4):

1.2≤D2/D1≤1.5  (3)

0.31≤H1/D1≤0.36  (4)

where H1 represents a length of the second part in the first direction; D1 represents a length of a distal end of the second part adjacent to the cathode in a third direction orthogonal to the first direction and the second direction; and D2 represents a length between places at which the first part and the second part are joined together in the third direction, when viewed in the second direction.