Resources Contact Us Home
Device for generating a frequency modulated signal

Image Number 4 for United States Patent #4590445.

A device for generating a frequency-modulated signal according to a predetermined modulation law includes a digital generator that, from a clock signal, generates an output signal s(t) and a error signal (S.sub.e). The signal s(t) is a signal in which the duration of each alternance is an integer multiple of the clock period. The error signal (S.sub.e) represents the modulation errors of the output signal s(t) with respect to the theoretical output signal (S.sub.t) modulated according to the predetermined law. An error correction device receives the output signal s(t) and is controlled by the error signal (S.sub.e) and corrects the modulation errors and provides a corrected output signal.

  Recently Added Patents
System and method for deriving cell global identity information
Light-source control device, light-source control method, image reading device, and image forming apparatus
Adaptive contact window wherein the probability that an answering user/expert will respond to a question corresponds to the answering users having response rates that are based on the time of
Methods and systems for automated segmentation of dense cell populations
Prodrugs of [4 [4-(5-Aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-(1H-pyrrolo-pyridin-yl- )-methanones and synthesis thereof
Signal processing apparatus, display apparatus having the same, and signal processing method
Authentication method
  Randomly Featured Patents
Liquid ring machine and process for operating it
Remote control transmitter
Digital frequency jittering apparatus with random data generator and method thereof
N-hydroxyamide derivatives and use thereof
Flying-type disk drive slider with micropad
Block copolymer and compositions
Keyboard musical instrument with removable box leg
Circuit for optoelectronic positioning tap
Fireplace grate
Compact disc package