Appeal No. 2003-2027
Application No. 08/804,908
including a frequency spectrum and means for displaying said
frequency spectrum. See page 11 of the brief.
Chappell is a method and system for frequency sweep testing
at a CATV system. The apparatus comprises a head end test unit
coupled to the CATV system at its head end. The system further
includes a remote test unit which is coupled to the CATV system
at a location remote from the head end of the CATV system. The
remote test unit has a controller having a memory and a RF
receiver for receiving the test signals, television signal test
signals and telemetry signals transmitted over the CATV system.
The remote test unit converts the telemetry signals to data which
contains the list of frequencies to be swept during the next
sweep cycle and the measured signal levels of the frequencies
swept during the prior sweep cycle transmitted from the head end
test unit which is stored in its controller's memory. The
controller of the remote test unit causes the remote test unit to
begin the next sweep cycle at the end of the telemetry cycle and
during the sweep cycle the remote test unit measures the signal
levels of the test signals and television signal test signals
received by the RF receiver of the remote test unit and data
indicative of the measured signal levels is input into and stored
in memory of the remote test unit controller. Based on the
99
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
Last modified: November 3, 2007