Patents Assigned to Kadex, Inc.
  • Electronic lock system
    Patent number: 4411144
    Abstract: An electronic lock system senses codes on a key by means of opto-electronic, magnetic or other electrical means and compares the key code to a code stored internally in a memory. When the key code is equal to its respective stored code the lock activates an electrical clutch operated bolt, and may also change the internal code to a new code.This invention relates to electronic locks, and is more particularly directed to the provision of an electronic lock which can be operated by a key having a code in the form of an electric parameter or optical parameter thereon.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: October 25, 1983
    Assignee: Kadex, Inc.
    Inventor: Kemal Aydin
  • Electronic lock system
    Patent number: 4177657
    Abstract: An electronic lock system senses codes on a key by means of opto-electronic, magnetic or other electrical means and compares the key code to a code stored internally in a memory. When the key code is equal to its respective stored code the lock activates an electrical clutch operated bolt, and may also change the internal code to a new code.This invention relates to electronic locks, and is more particularly directed to the provision of an electronic lock which can be operated by a key having a code in the form of an electric parameter or optical parameter thereon.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: December 11, 1979
    Assignee: Kadex, Inc.
    Inventor: Kemal Aydin