Keyboard motion detector
First Claim
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1. A computer interface for use with a computer including security software normally operational to secure the computer when no user input to the computer occurs for a period of time, said computer interface comprising:
- sensing means for sensing presence or absence of a user in the immediate vicinity of the computer and for providing proximity signals pertaining to the presence or absence of the user;
keyboard interface means connected with said sensing means and the computer for processing said sensing means proximity signals and selectively providing an artificial keystroke signal, said keyboard interface means including a controller receiving said proximity signals from said sensing means and generating said artificial keystroke signal, a user data input sensor connected with said controller, and switching means connected with said controller for directing user data input signals to the computer or said artificial keystroke signal from said controller to the computer; and
keyboard means connected with said user data input sensor and said switching means of said keyboard interface means for accommodating data input signals to the computer by the user;
whereby normal operation of the security software is accommodated when both a lack of data input signals by the user at said keyboard means is sensed by said user data input sensor and absence of the user in the vicinity of the computer is sensed by said sensing means, but whereby prevention of enablement of normal operation of the security software is effected in the sensed absence of data input signals by the user at said keyboard means if presence of the user in the vicinity of the computer is sensed thus eliciting periodic controller generation of said artificial keystroke signal and direction thereof to the computer by said switching means.
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Abstract
The invention is a computer interface utilizing a sensor for sensing that a user is in the immediate vicinity of the computer. The interface consists of a motion sensor, computer software for enabling the computer security in the absence or presence of a user, a keyboard interface connected to the motion sensor and a keyboard connected to the keyboard interface.
142 Citations
14 Claims
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1. A computer interface for use with a computer including security software normally operational to secure the computer when no user input to the computer occurs for a period of time, said computer interface comprising:
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sensing means for sensing presence or absence of a user in the immediate vicinity of the computer and for providing proximity signals pertaining to the presence or absence of the user;
keyboard interface means connected with said sensing means and the computer for processing said sensing means proximity signals and selectively providing an artificial keystroke signal, said keyboard interface means including a controller receiving said proximity signals from said sensing means and generating said artificial keystroke signal, a user data input sensor connected with said controller, and switching means connected with said controller for directing user data input signals to the computer or said artificial keystroke signal from said controller to the computer; and
keyboard means connected with said user data input sensor and said switching means of said keyboard interface means for accommodating data input signals to the computer by the user;
whereby normal operation of the security software is accommodated when both a lack of data input signals by the user at said keyboard means is sensed by said user data input sensor and absence of the user in the vicinity of the computer is sensed by said sensing means, but whereby prevention of enablement of normal operation of the security software is effected in the sensed absence of data input signals by the user at said keyboard means if presence of the user in the vicinity of the computer is sensed thus eliciting periodic controller generation of said artificial keystroke signal and direction thereof to the computer by said switching means. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An interface for selective prevention of enablement of a computer'"'"'s security software routine normally operational when no user input to the computer occurs for a period of time, said computer associated with a user manipulated signal input device, said interface comprising:
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a presence detector;
a signal input sensor connectable with the signal input device;
and control means associated with said presence detector and said signal input sensor and connectable with the computer, said control means for receiving output from said presence detector indicative of presence or absence of a user of the computer and output from said signal input sensor indicative of the occurrence or nonoccurrence of user input to the computer at the signal input device, and responsive thereto generating a substitute signal to the computer indicative of user input when nonoccurrence of user input to the computer is indicated but presence of the user of the computer is indicated, thereby preventing enablement of the security software routine. - View Dependent Claims (8, 9, 10)
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11. A method for selective prevention of enablement of a computer'"'"'s security software routine normally operational when no user input to the computer occurs for a period of time, said method comprising the steps of:
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sensing presence of a user in a selected vicinity of the computer;
sensing signal input to the computer by the user;
accommodating normal operation of the security software routine when both a lack of signal input to the computer by the user and absence of the user in said selected vicinity of the computer are sensed; and
generating a substitute signal to the computer indicative of signal input to the computer by the user when a lack of signal input to the computer by the user is sensed but presence of the user in said selected vicinity of the computer is sensed, thereby preventing enablement of the security software routine. - View Dependent Claims (12, 13, 14)
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Specification