Resources Contact Us Home
Method of controlling a data terminal equipment for equalizing a transmission line characteristic and data terminal equipment using the same

Image Number 3 for United States Patent #5150400.

A method for controlling a data terminal equipment coupled to a network via a line and coupled to a center apparatus via the line and the network. A plurality of tone signals sent from the center apparatus and having mutually different frequencies are received. The levels of the tone signals are detected. The characteristic of the line is judged on the basis of the levels of the tone signals. A suitable equalizing characteristic most suitable for the characteristic of the line is selected from among a plurality of predetermined equalizing characteristics compensating for possible characteristics of the line. There is also provided a data terminal equipment using the above-mentioned method.

  Recently Added Patents
Method and device for reducing image color noise
Position detection device, pointing device and input device
Multi-carrier operation for wireless systems
Sporting goal practice screen
Writing implement
White light emitting lamp and white LED lighting apparatus including the same
Methods and compositions for wound healing
  Randomly Featured Patents
PV-thermal solar power assembly
Wedge plate
Method for compensating for boresight error in missiles with composite radomes and guidance section with boresight error compensation
Jewelry link
Breakdown screed plate
Herbicidal compositions and method of using the same
External hard disk drive
Tone based cognitive radio for opportunistic communications