Digital signal orthogonal transformer apparatus

Details Digital signal orthogonal transformer apparatus Digital signal orthogonal transformer apparatus

1991-08-06

1992-08-18

Logan, Sharon D.

Coded data generation or conversion

Digital code to digital code converters

To or from constant distance codes

341 67, 341 93, 358433, H03M 716, H03M 740

Patent

active

051403234

ABSTRACT:
As an orthogonally transformed signal carries a value adjacent to zero, the output of an orthogonal transformer is coupled in series to a fixed length code encoder for converting the orthogonally transformed signal into a fixed length code signal which exhibits less bit inversion between positive and negative signals near zero. The orthogonal transformer and the fixed length code encoder constitute in combination an orthogonal transformer device.

REFERENCES:
patent: 4580162 (1986-04-01), Mori
patent: 4922273 (1990-05-01), Yonekawa et al.
patent: 4954892 (1990-09-01), Asai et al.
patent: 5016010 (1991-05-01), Sugiyama
patent: 5040054 (1991-08-01), Schmidt et al.

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