Timeslot interchange circuit supporting PCM, ADPCM, and...

Details Timeslot interchange circuit supporting PCM, ADPCM, and... Timeslot interchange circuit supporting PCM, ADPCM, and...

2005-05-31

2005-05-31

Hsu, Alpus H. (Department: 2665)

Multiplex communications

Channel assignment techniques

Combining or distributing information via time channels...

C370S458000, C370S468000, C370S521000

Reexamination Certificate

active

06901077

ABSTRACT:
A method and apparatus are provided for exchanging information between at least some slots of a first T-carrier and some other non-coincidental slots of a second T-carrier. The method includes the steps of exchanging information between successive slots of the first T-carrier and respective predetermined memory locations within a memory device and exchanging information between successive slots of the second T-carrier and at least some of the predetermined locations in memory of the first T-carrier based upon a channel-exchange list relating at least some channels of the first T-carrier to at least some other channels of the second T-carrier.

REFERENCES:
patent: 3920916 (1975-11-01), Brightman et al.
patent: 4839888 (1989-06-01), Baltz et al.
patent: 5268903 (1993-12-01), JOnes et al.
patent: 5825779 (1998-10-01), Putnins et al.
patent: 5841771 (1998-11-01), Irwin et al.
patent: 5862136 (1999-01-01), Irwin
patent: 6046994 (2000-04-01), Fechalos et al.

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