Appeal No. 95-3292
Application 08/115,975
The display selection and combination circuit is connected to the first and second image memories
and it is formed such that the display units display a combination of data from the image memories
according to a display request. Usually, one of the first and second image memories stores
character information, such as letters and numerals, and the other stores graphic information, such
as figures and curves. The system is able to display graphic data and character data individually
or in combination, so as to prevent inadvertent deletion of character data due to interference from
graphic data or vice versa. In achieving his improvement, Fujisaku resorts to two display units
rather than the single display unit of the prior art.
Ichikawa addresses the problem of displaying a sender’s message on a single display unit
of a paging receiver, the display unit having a limited number of display segments available.
Ichikawa lacks any suggestion of using a plurality of display units, one to display a short message
and another to display a long message all at once, or of transmitting character and graphic data to
a paging receiver. Fujisaku teaches the use of plural display units in a display system designed to
prevent the inadvertent deletion of character and graphic data experienced in prior art display
systems. Although Fujisaku concerns the display of character and graphic data on separate
display units, it lacks any suggestion of transmitting character and graphic data in a paging system
from a transmitter to a receiver. Neither Ichikawa nor Fujisaku, alone or in combination, appears
to provide any incentive to combine their teachings. The inadvertent deletion of character and/or
graphic data, the problem which Fujisaku seeks to overcome, is not a problem in Ichikawa. Such
being the case, there appears to be no teaching or motivation which would have suggested to one
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Last modified: November 3, 2007