Timed disconnect switch for data and telephone circuits

• US 6,748,542 B2
• Filed: 03/12/2001
• Issued: 06/08/2004
• Est. Priority Date: 03/12/2001
• Status: Expired due to Fees

• Current Assignee: Pathlock Corporation
• Original Assignee: Pathlock Corporation
• Inventors: Box, Jeffrey L.
• Primary Examiner(s): HUA, LY
• Application Number:
  US09/803,399
• Publication Number:
  US 20020129267A1
• Time in Patent Office: 1,184 Days
• Field of Search: 713/200, 713/201, 709/208, 379/410, 379/416, 379/406.03
• US Class Current: 726/28
• CPC Class Codes: H04L 12/12 Arrangements for remote connection or disconnection of substations or of equipment thereof
• CPC Class Codes: H04M 1/663 Preventing unauthorised calls to a telephone set
• CPC Class Codes: H04M 1/67 by electronic means
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

A timer operated hardware switching device to control the connection between a computer and telephone or data circuit. The device improves the security of the computer by limiting external access from the Internet or other networks. Security software programs such as fire walls are enhanced by the invention, which prevents electronic attacks during periods when the switching device is in the disconnected state. The device is simple to understand and can be easily verified in operation. Additionally, such a device can be used with conventional telephone applications to prevent calls from being made during specific time periods. The invention can be embodied as a standalone device, a device for use with a conventional power timer, and a device built into a computer or other computer accessory.

Claims

1. A timed disconnect switch device, comprising:

an electronic or electromechanical timer,

an electrical switch or relay operated by the timer,

and a pair of connectors, said switch or relay disposed between said connectors with a telephone or data connection connected to one of said connectors and a service connected to the other of said connectors, to allow a telephone or data connection to be routed through said electrical switch or relay to allow said telephone or data connection to be connected to the service for communication therewith;

said timer operable to connect said pair of connectors together at a first time and to automatically disconnect the connection between said pair of connectors at a second time delayed from said first time by a predetermined and defined delay, such that any connection of the telephone or data connection to the service is completely prohibited after said second time.

2. The device of claim 1 wherein said connectors comprise RJ-11 style telephone circuit connectors intended for use with a conventional analog telephone line connection.

3. The device of claim 1 wherein said connectors comprise coaxial cable connectors intended to be used with cable modem technology.

4. The device of claim 1 wherein said connectors comprise coaxial cable connectors intended to be used with cable modem technology.

5. The device of claim 1 wherein said connectors comprise modular connectors intended for use with Universal Serial Bus interface technology.

6. The device of claim 1 further installed as part of a computer or as part of a computer accessory device from the group of

a power control unit,

an uninterruptable power unit,

a modem, or

a monitor,

that adds the timed disconnect switch functionality to that computer or computer accessory.