Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2007-02-06
2007-02-06
Lamarre, Guy (Department: 2133)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
C714S788000, C714S782000, C714S821000
Reexamination Certificate
active
09933791
ABSTRACT:
The invention relates to a method of storing a number of data bits of a secondary channel (30) in the frame of a main channel (20) and to a method of decoding a stream of bits relating to a secondary channel (30) embedded in the frames of a main channel (20) into a stream of data bits (62). In order to enable a certain synchronization and to guarantee a fixed amount of storage capacity in the secondary channel as well as to be able to correct deletions or insertions of bits in the secondary channel it is proposed according to the invention to form a secondary frame (11) having a fixed number of frame bits, to fill a fixed part of the secondary frame (11) with data bits (113), an end-bit (114) set to a first bit-value and, if necessary, with filling bits (115) set to a second bit-value, to encode the secondary frame (11) producing encoded data bits (113) and parity bits (112), which are finally embedded in the frame of the main channel (20). The invention relates also to a device for storing a number of data bits of the secondary channel (30) in the frame of a main channel (20) and to a device for decoding a stream of bits of relating to a secondary channel (30) embedded in the frames of a main channel (20).
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Baggen Constant Paul Marie Jozef
Coene Willem Marie Julia Marcel
Van Dijk Marten Erik
Alphonse Fritz
Belk Michael E.
Koninklijke Philips Electronics , N.V.
Lamarre Guy
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