Appeal No. 1998-2009
Application No. 08/508,250
arranged such that the distance between the pair of lenses is
shorter than the sum of the focal lengths of the pair of
lenses. Representative independent claim 1 is reproduced as
follows:
1. An optical modulating device comprising:
a light source;
an optical modulator; and
a pair of lenses arranged along a light path between
said light source and optical modulator, including a
collimating lens and a focal lens for focusing light generated
from said light source into a spot on the center of said
optical modulator,
wherein said pair of lenses are so arrayed that the
distance between said pair of lenses is shorter than the sum
of the focal lengths of said pair of lenses.
The Examiner relies on the following references:
Tatsuno et al. (Tatsuno) 5,377,212 Dec.
27, 1994
Kobayashi et al. (Kobayashi) 5,475,537 Dec.
12, 1995 (filed
Feb. 28, 1994)
Claims 1 through 8, 11 and 12 stand rejected under 35
U.S.C. § 103(a) as being unpatentable over Tatsuno in view of
Kobayashi. Rather than reiterate the arguments of
-2-
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next
Last modified: November 3, 2007