The present invention relates to method and apparatus for judging a timing phase of a
modem which is used in data communication for judging a timing phase from a reception …

57 ABSTRACT An automated REAL Time Equalized Modem (AR TEM) having a phase jitter
compensator. Because a delay is involved in estimating a proper phase for de modulation …

Apparatus, and a related method, for fast carrier acqui sition in a modem. The apparatus
includes circuitry to speed carrier acquisition by the determination of which of two alternate …

A method of determining the data rate of signals received on a communication line is
disclosed. The method analyzes the training signals which normally precede each data …

Apparatus, and a related method, for fast carrier acquisition in a modem. The apparatus
includes circuitry to speed carrier acquisition by the determination of which of two alternate …

The correct sampling timing phase is obtained by a digital data receiver by averaging
samples of the preamble of a received data burst and using the computed averages as …

For a modem receiver using an adaptive equalizer with fractional tap spacing, method and
apparatus are disclosed for controlling the sample-timing phase. By evaluating bandedge …

It is accordingly a main object of the present inven tion is to provide an automatic equalizer
apparatus which can perform optimum phase equalization even when the number of carrier …

BACKGROUND This invention relates to data communications equip ment (eg modems)
and is particularly useful in a multi point arrangements in which a central station communi …

The invention provides a carrier phase control circuit which can eliminate a phase intercept
fluctuation so that, when the carrier phase control circuit is applied to a very high speed …