Patents by Inventor Harlan J. Brothers

Harlan J. Brothers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Data-conditioned encryption method
    Patent number: 8712040
    Abstract: A system and method for encryption of data is disclosed. At least one block of the data is received. The at least one block of data is modified to cause each unique data element within the at least one block to appear with a respective predetermined frequency ratio. The block of data is encrypted into ciphertext based at least on an encryption key.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: April 29, 2014
    Inventor: Harlan J. Brothers
  • DATA-CONDITIONED ENCRYPTION METHOD
    Publication number: 20110194687
    Abstract: A system and method for encryption of data is disclosed. At least one block of the data is received. The at least one block of data is modified to cause each unique data element within the at least one block to appear with a respective predetermined frequency ratio. The block of data is encrypted into ciphertext based at least on an encryption key.
    Type: Application
    Filed: January 24, 2011
    Publication date: August 11, 2011
    Inventor: Harlan J. Brothers
  • Luminous pull-cord for electrical switch operation
    Patent number: 5454056
    Abstract: A luminous pull-cord for facilitating the operation of an electrical switch, comprising a length of fiber optic cord coupled to and illuminated by a light source as a means for actuating said electrical switch whereby said light conducting fiber is grasped and then pulled.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: September 26, 1995
    Inventor: Harlan J. Brothers
  • Household safety receptacle
    Patent number: 5320545
    Abstract: A safety receptacle includes an insulating housing including a socket assembly having a first contact means and a second contact means therein adapted to receive the prongs of an electric plug, and first and second terminal means wherein the second terminal means is electrically active. A means for completing an electrical circuit through the prongs of the electric plug only when the prongs are in contact with the contact means includes means for electrically connecting the second contact means to the second terminal means only when one prong of the electric plug is received in the first contact means.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: June 14, 1994
    Inventor: Harlan J. Brothers