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
System for determining potential lot consolidation during manufacturing
Circuit design approximation
Security access protection for user data stored in a cloud computing facility
Vehicle front fender
SONOS stack with split nitride memory layer
Methods, systems, and computer program product for virtually modifying surface region curvature to detect protrusions
Methods for enhancing tantalum filament life in hot wire chemical vapor deposition processes
  Randomly Featured Patents
Gas hydrate production apparatus
Anti-stall system utilizing implement pilot relief
Procedural user interface
Imaging self-referencing tracker and associated methodology
Shoe upper
Shielded cable terminal connection
Ultrarapid hardening cement composition and dispersant for ultrarapid hardening cement composition
Liquid discharging device for discharging liquid stored on a bottom wall of an interior of a compressed natural gas tank of a vehicle
Screwdriver for rectopexy
Exhaust-gas recycling device for an internal-combustion engine, epsecially a diesel engine