Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method and apparatus for dynamic automatic gain control when pilot signal is lost










Image Number 4 for United States Patent #5742202.

The automatic gain control circuit of the present invention improves upon conventional techniques using a pilot carrier for control by monitoring for the presence of the pilot carrier. If the pilot carrier level is at an undetectable level, it will switch control of the level control section of the automatic gain control circuit to the equivalent thermal setting by means of a switch. The switch connects the output of a temperature-sensing network to a Bode driving circuit that approximates attenuation of a given transmission medium over temperature. The gain setting will therefore be based on an approximation of what the cable losses should be at the detected temperature of the amplifier housing. The present invention provides dynamic gain adjustment, even in the event of pilot carrier signal loss.








 
 
  Recently Added Patents
Image forming apparatus and method for controlling the same
Sampling
Immunotherapeutic method
Method for braking a rotor of a turbine engine and a turning gear for driving the rotor of a turbine engine
Maintaining a communication path from a host to a storage subsystem in a network
Wall base
Firearm grip
  Randomly Featured Patents
Image sensing apparatus having a delete function of image data and control method thereof
Pattern inspection apparatus
Telephone-mountable holder with clip to retain writing instrument
Variable capacity rotary compressor
Compositions and method for simultaneous multiple array of analytes using radioisotope chelate labels
Apparatus and method for controlling humidity
Method and apparatus for measuring contrast sensitivity
Image sensor and fabricating method thereof
Inherently decoupled magnetic resonance reception coil arrangement
Motor-driven power steering system for a vehicle