Appeal No. 97-1384 Application 08/068,357 2. None of the references teaches broadcasting a reply signal that includes the serial number of the receiving RF modem 3. None of the references teaches having a switch that has a plurality of positions representing a plurality of ID numbers. With regard to the first argument, Appellant contends [principal brief, page 5], pointing to column 5, lines 13-19 of Rubin, that the identifier code indicated by the legend ID in Rubin does not represent the sending transceiver but, rather the identifier represents the user's preassigned identification number. While Rubin clearly does provide for a preassigned identification number for the user, appellant appears to have misinterpreted the language of Rubin at column 5, lines 6-10. We can agree with appellant that the language "ID of the sender," at column 7, line 12 of Rubin, in a vacuum, is not clear. Such language could refer to the ID of a user or to the ID of a sending, i.e., transmitting, unit. However, at column 5, lines 6-10, Rubin states: The addition of an identifier code for the intended recipient of the message to be sent is indicated by legend TO. The addition of an identifier of the transceiver 20 sending the message is also indicated by legend ID, -5-Page: Previous 1 2 3 4 5 6 7 8 9 10 NextLast modified: November 3, 2007