Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Cox, Jr.; Duncan B.
Address:
Manchester, MA
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
4894842 Precorrelation digital spread spectrum receiver January 16, 1990
A precorrelation digital spread spectrum receiver includes a signal converter for amplifying and directly converting RF band spread spectrum signals received by an antenna to a digitized baseband signal comprising a sequence of N-bit quantized baseband values. The baseband signal is a
4092601 Code tracking signal processing system May 30, 1978
A code tracking signal processing system for tracking a coded signal of the pseudo-random-noise, or PRN, type wherein a time shift comparison is made of the input coded signal and a pair of time estimated coded feedback signals which represent an estimate of the coded input signal which
4079374 Digital resolver-tracking loop March 14, 1978
A system for tracking a pair of analog output signals from a resolver wherein such signals are hard-limited to provide square wave representations thereof, such hard limited signals being supplied to at least one digital phase-locked loop in which the phases thereof are compared with
4066978 Digital phase-locked loop filter January 3, 1978
A phase processing system which includes at least one digital phase-locked loop wherein the phase of the input signal to the loop is compared with the phase of the loop output signal to produce a pulse-width modulated phase error signal. The error signal is digitally integrated, as by a
4019153 Digital phase-locked loop filter April 19, 1977
A phase processing system which includes at least one digital phase-locked loop wherein the phase of the input signal to the loop is compared with the phase of the loop output signal to produce a pulse-width modulated phase error signal. The error signal is digitally integrated, as by a
3936762 Digital phase-lock loop systems for phase processing of signals February 3, 1976
A digital phase-locked loop in which an error signal representing the difference between the phases of an input signal and an output signal is converted to a digital signal having a time-varying value. A programmable divider means is provided to produce a pulse control signal having a










 
 
  Recently Added Patents
Mobile device mode control based on dual mapping of availability (presence) information
Accessory sleeve
Semiconductor memory device and method for driving the same
Portable computer display structures
Rain barrel
Deceleration dependent shift control
Bottle
  Randomly Featured Patents
Method of bringing nuclear power plant to fractional electrical load conditions
Hydrant backflow restriction system
Surgical drape and head for wound treatment
Coaxial reentrant ion source for surface mass spectroscopy
New Guinea Impatiens plant named `Balcelichey`
Apparatus for treatment of waste water and/or exhaust gases containing fluorine and surface active agents
Methods of etching insulative materials, of forming electrical devices, and of forming capacitors
Instrumented firefighter's nozzle and method
Operating panel device in electronic musical instrument
Storage system comprising function for migrating virtual communication port added to physical communication port