Appeal No. 2000-0611
Application No. 08/708,179
BACKGROUND
Appellants' invention relates to methods and apparatus for providing an
interactive cell broadcast service which uses a point-to-multipoint transmission and a
point-to-point acknowledgment signal. An understanding of the invention can be
derived from a reading of exemplary claim 1, which is reproduced below.
1. A method for operating a wireless communications system of a
type that comprises a Base Station/Mobile Switching Center/ Interworking
function (BMI), comprising the steps of:
transmitting a point-to-multipoint message from the BMI to a
plurality of mobile stations; and
in at least some of the plurality of mobile stations, receiving
the point-to-multipoint message and transmitting an
acknowledgment message to the BMI using a point-to-point
message.
The prior art references of record relied upon by the examiner in rejecting the
appealed claims are:
Siwiak et al. (Siwiak) 4,875,038 Oct. 17, 1989
Comroe et al. (Comroe) 5,179,721 Jan. 12, 1993
Neustein 5,473,667 Dec. 05, 1995
Raith et al. (Raith) 5,603,081 Feb. 11, 1997
(Filed Nov. 01, 1993)
Claims 1 and 10 stand rejected under 35 U.S.C. § 103 as being unpatentable
over Comroe in view of Siwiak. Claims 2-5 and 7-9 stand rejected under 35 U.S.C.
§ 103 as being unpatentable over Comroe and Siwiak in view of Neustein. Claims 6
and 11-15 stand rejected under 35 U.S.C. § 103 as being unpatentable over Comroe
and Siwiak and Neustein in view of Raith.
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