Appeal No. 1999-1117
Application 08/674,308
positioned in the scan line plane so as to intercept at
least a portion of the sweeping laser beam;
a photodetector for converting the intercepted laser
beam that leaves said exit end into a beam current which
depends upon said laser beam intensity;
a scan detection circuit for producing a
start-of-scan signal from said beam current; and
a beam intensity circuit for producing said beam
control signal from said beam current.
The Examiner relies on the following references:
Saito 4,978,975 December 18, 1990
Okinoshima et al. (Okinoshima) 5,314,979 May 24,
1994
Morehouse, Jr. et al. (Morehouse) 5,519,473 May 21,
1996
Caruso 5,592,298 January 7, 1997
(filed June 3,
1994)
Asada GB 2,235,317 February 27, 1991
(United Kingdom patent application)
Claims 1 and 2 stand rejected under 35 U.S.C. § 103(a) as
being unpatentable over Asada and Saito.
Claim 3 stands rejected under 35 U.S.C. § 103(a) as being
unpatentable over Asada and Saito, further in view of
Okinoshima.
Claims 4, 5, 8, and 9 stand rejected under 35 U.S.C.
§ 103(a) as being unpatentable over Caruso, Asada, and Saito.
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