Patents by Inventor Kemal Aydin

Kemal Aydin 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).

  • Retrofittable electronic and mechanical door lock system
    Patent number: 5437174
    Abstract: A lock system adapted to be used with both conventional mortise and cylinder locks includes an electronic socket to removably receive a button-like metal casing having an integrated circuit therein. The socket transmits code to a microprocessor based circuit which control a rotary two-directional motor. In one embodiment, the motor turns a cam which lifts, or lowers, a frame-like slide having a plunger which fits into a cavity of the cylinder to lock the cylinder.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: August 1, 1995
    Assignees: David Sokol, Kemal Aydin
    Inventor: Kemal Aydin
  • Electronic lock system
    Patent number: 4534194
    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: October 21, 1983
    Date of Patent: August 13, 1985
    Assignee: Kadex, Incorporated
    Inventor: Kemal Aydin
  • 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