Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 380/4
Name: Cryptography >
Description:










Sub-classes under this class:

Class Number Class Name Patents
380/1 Cryptanalysis 124
380/2 Equipment test or malfunction indication 182
380/200 Video cryptography 650
380/243 Facsimile cryptography 196
380/247 Cellular telephone cryptographic authentication 734
380/251 Electronic game using cryptography 143
380/252 Electric signal masking 210
380/255 Communication system using cryptography 1,061
380/277 Key management 2,367
380/28 Particular algorithmic function encoding 2,135
380/287 Electric signal modification 154
380/54 By modifying optical image (e.g., transmissive overlay) 514
380/55 Having production of printed copy (e.g., cryptographic printer or typewriter) 235
380/56 Selectively movable element having code characters 38
380/59 Miscellaneous 259


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Gyroscope utilizing torsional springs and optical sensing
Coupling device having piercing member
Mixture, especially spinning solution
Technique for skipping irrelevant portions of documents during streaming XPath evaluation
Encoder that detects positional information of a moving body generating interference fringes that move in opposite directions
Pelvic registration device for medical navigation
Process for making thermoplastic polymer pellets
  Randomly Featured Patents
Cleaning appliance
Modifying a multi-module application
Vehicle escape hatch and ventilator
Dye tube spacer for package dyeing
Guidance system for inductively coupled electric vehicles
Vehicle entertainment system incorporated within the armrest/console of a vehicle with a swivel monitor mounting structure
Amusement ride
Acoustic wave filter comprising a reflector having an oblique slit
Bottle
Display screen with graphic user interface