Browse Prior Art Database

COMMUNICATION DEVICE INACTIVITY PASSWORD LOCK

IP.com Disclosure Number: IPCOM000007883D
Original Publication Date: 1996-Nov-01
Included in the Prior Art Database: 2002-May-02
Document File: 2 page(s) / 89K

Publishing Venue

Motorola

Related People

Charles P. Schultz: AUTHOR

Abstract

When a communication device (radio, phone, etc.), is misplaced or left unattended, someone other than the authorized user could use it, leaving the legitimate user responsible for the consequences, financial or otherwise. A password lock feature currrently allows users to "lock" their radios from use unless a correct password is entered, but this feature would not be activated when the device is accidentally misplaced, or the user hastily leaves his radio behind while attending to some urgent mat- ter. An improvement over the current radio lock fea- ture would be for the device to become locked after it is inactive for a preprogrammed period of time, similar to computer screen "locking" programs.

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Technical Developments

COMMUNICATION DEVICE INACTIVITY PASSWORD LOCK

by Charles F? Schultz

  When a communication device (radio, phone, etc.), is misplaced or left unattended, someone other than the authorized user could use it, leaving the legitimate user responsible for the consequences, financial or otherwise. A password lock feature currrently allows users to "lock" their radios from use unless a correct password is entered, but this feature would not be activated when the device is accidentally misplaced, or the user hastily leaves his radio behind while attending to some urgent mat- ter. An improvement over the current radio lock fea- ture would be for the device to become locked after it is inactive for a preprogrammed period of time, similar to computer screen "locking" programs.

  This invention allows the user to program an inactivity timer which would be reset each time a "physical input" occurs. If the timer expires, the com- munication device enters the "locked" mode and begins operation on a pre-programmed revert chan- nel which is defined by one ofthe personalities stored in the device's memory. Ifthe device is operating on a system that requires registration with a site, it will unregister prior to locking. The device optionally sends an over-the-air signal on the revert channel indicating the radio's ID and its "locked" status. This could alert a dispatcher to use a feature such as Remote Monitor to aid in locating a lost or stolen device. While locked, the device will not route any audio to its speaker. The device will receive and respond to over-the-air signaling, including an

"unlock" transmission from the base station which can be used to assist users who...