Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 380/58
Name: Cryptography > Selectively movable element having code characters > Rotatable > Characters on peripheral surface (e.g., cylinder section)
Description: Subject matter wherein the character bearing surface is on an edge surface of a movable element.










Patents under this class:

Patent Number Title Of Patent Date Issued
8532289 Fast computation of a single coefficient in an inverse polynomial Sep. 10, 2013
8443458 Method and device for detecting the opening of a cover enclosing the device May. 14, 2013
8362875 Secure system for non-covert user authentication and identification Jan. 29, 2013
7715554 Prime number determining method May. 11, 2010
6907124 Optical encryption and decryption method and system Jun. 14, 2005
5055851 Vehicle location system Oct. 8, 1991
5024495 Computer software protection, by optical effects Jun. 18, 1991
4972477 Encoder/decoder Nov. 20, 1990
4560164 Toy puzzle Dec. 24, 1985











 
 
  Recently Added Patents
Lamination sheet
Method and apparatus for disease diagnosis and screening using extremely low frequency electromagnetic fields
Data processing method
Semiconductor process
Method for distributing advertisements to client devices using an obscured ad monitoring function
Compositions and methods for activating innate and allergic immunity
Method and apparatus for detecting an intermittent path to a storage system
  Randomly Featured Patents
Optical composition for impressions or replicas of small objects
Antibodies to human IL-1.beta.
Packaging container for food or the like
Optical system for alternatively projecting adjacent images of adjacent objects or double images of a single object
Multimedia information retrieval method, program, record medium and system
System and method to relieve ESD requirements of NMOS transistors
Methods for treating photoresists
Hydrogenation of aromatics
Methods of synthesizing oligonucleotides using carbonate protecting groups and alpha-effect nucleophile deprotection
Distributed subsystem sparing