Appeal No. 1999-0142
Application 08/542,330
Br11-12; RBr2) that the Examiner erred in finding that Strobel and
Seely disclose producing an "image signal."
Second, even assuming, arguendo, that the viewfinder and film
images in Strobel and Seely could be broadly considered to be "image
signals," Strobel and Seely do not perform the functions of
"extracting a bright signal of a bright portion of the original image
signal . . . and . . . forming a bright line having a predetermined
length by performing a shifting of the bright signal in a
predetermined direction," as recited in claim 29, or "extracting a
bright portion of an image signal . . . [and] shifting said bright
portion in a predetermined direction to form a bright line signal,"
as recited in claims 35 and 38. That is, Strobel and Seely do not
perform any signal processing on an "image signal" to form a "bright
line" or "bright line signal." The Examiner points to column 4,
lines 55-66, of Strobel for the functions of "extracting" and
"shifting to form a bright line." The "bright-line image" in Strobel
refers to the image of the four partially-reflecting surfaces 33 in
figure 2, corresponding to the corners of the distant-subject
frame 25, on the partially-reflecting surface 39 of the mirror 35
whenever ambient light is in the viewing path (col. 4, lines 55-61).
The partially-reflecting surface 27 corresponding to the corner of
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