Appeal No. 2006-0621
Application No. 09/938,237
particular feature of the invention relates to the process for
maintaining synchronization between a master clock associated
with the marking engine and a slave clock associated with the
resource.
Representative claim 1 is reproduced as follows:
1. A document processing system comprising:
a marking engine that marks a sheet to form at least a
portion of a document, the marking engine including a controller,
the controller including a master clock and logic for generating
a discrete clock synchronization interrupt signal;
a resource that transfers the sheet to the marking engine or
receives the sheet from the marking engine, the resource
including a slave clock related to operational timing of the
resource and circuitry for receiving and processing the discrete
clock synchronization interrupt signal; and
a control bus, interconnecting the resource and the
controller, for distributing the discrete clock synchronization
interrupt signal.
The examiner relies on the following references:
Yamanaka et al. (Yamanaka) 4,807,259 Feb. 21, 1989
Cheung et al. (Cheung) 5,535,217 July 09, 1996
Miyawaki 5,995,771 Nov. 30, 1999
Lackman et al. (Lackman) 6,343,351 Jan. 29, 2002
(filed Sep. 03, 1998)
Shimoda et al. (Shimoda) 6,675,249 Jan. 06, 2004
(filed Dec. 27, 2000)
Einbinder et al. (Einbinder) 6,704,302 Mar. 09, 2004
(filed Feb. 04, 1999)
The following rejections are on appeal before us:
1. Claims 1, 3, 6, 7, 10, 11 and 21 stand rejected under 35
U.S.C. § 103(a) as being unpatentable over the teachings of
Miyawaki in view of Yamanaka.
2
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