Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 331/26
Name: Oscillators > Automatic frequency stabilization using a phase or frequency sensing means > With reference oscillator or source > Signal or phase comparator > Plural diode type
Description: Subject matter wherein the signal or phase comparator includes two or more unilaterally conducting devices (e.g., diodes) as elements thereof.










Patents under this class:

Patent Number Title Of Patent Date Issued
7940130 Frequency generator and method of frequency generation with multiple sampling phase detectors May. 10, 2011
6390639 Spread illuminating apparatus May. 21, 2002
5294895 Microwave oscillators and transmitters with frequency stabilization Mar. 15, 1994
4940952 Phase and frequency comparator circuit for phase locked loop Jul. 10, 1990
4841257 High-speed sampling phase detector for clock and data recovery system Jun. 20, 1989
4500853 Oscillator phase lock system Feb. 19, 1985
4426627 Phase-locked loop oscillator circuit utilizing a sub-loop with a second phase comparator Jan. 17, 1984
4355288 Frequency-stabilizing system for generator of microwave oscillations Oct. 19, 1982
4039967 Phase-locked loop having a slight phase offset error Aug. 2, 1977











 
 
  Recently Added Patents
Chip on chip semiconductor device including an underfill layer having a resin containing an amine-based curing agent
System and method for organizing, processing and presenting information
Authentication service
Methods and systems for automated segmentation of dense cell populations
System and method of verification of analog circuits
Generating package profiles in software package repositories using selective subsets of packages
Moving structure and micro-mirror device using the same
  Randomly Featured Patents
Remote, aircraft, global, paperless maintenance system
Radiological imaging apparatus and radiological imaging method and radiological imaging support method
System for capturing a vehicle
Device for inline measurement laser pulses and measuring method by photoacoustic spectroscopy
Acceleration sensor
Apparatus and method for TCP buffer copy distributed parallel processing
Apparatus and method for testing keyboard of mobile phone
Clock generation
Stable aqueous polymeric superplasticizer solutions and concrete compositions containing the same
Wood type head for a golf club