Patents Assigned to Electronic Locking Specialties, Inc.
  • Vandal proof intercom system for apartment buildings
    Patent number: 7113578
    Abstract: An electronic apartment station intercom unit, housed in a vandal proof enclosure, providing a means for a tenant to communicate with apartment building main entrance door panel and means to unlock said door. This unit has a power storage unit that enables this unit to be compatible with existing apartment building switching units. This power storage unit can be in the form of capacitors. In addition, this unit also contains a timer to shut the intercom unit off after a preset period of time.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: September 26, 2006
    Assignee: Electronic Locking Specialties, Inc.
    Inventors: John Unger, John R. Fitzpatrick
  • Vandal proof intercom system for apartment buildings
    Publication number: 20040091092
    Abstract: An electronic apartment station intercom unit, housed in a vandal proof enclosure, providing a means for a tenant to communicate with apartment building main entrance door panel and means to unlock said door. This unit has a power storage unit that enables this unit to be compatible with existing apartment building switching units. This power storage unit can be in the form of capacitors. In addition, this unit also contains a timer to shut the intercom unit off after a preset period of time.
    Type: Application
    Filed: November 12, 2002
    Publication date: May 13, 2004
    Applicant: Electronic Locking Specialties, Inc.
    Inventors: John Unger, John R. Fitzpatrick