Scramble Keypad Door Lock

Onlooker can easily discover the pin of a conventional keypad by observing which keys are pressed.

Scramble keypad door lock.

The hirsch scramblepad keypad reader provides a very high security approach to access because the credential id code or pin number cannot be accidentally shared with or stolen by onlookers. Hirsch s scramblepad family of keypads and keypad reader devices prevents stolen access codes using a numeral scrambling technique and viewing restrictors. A passkey scramble keypad system attached to a door magnet. The keypads do not suffer from the lack of security associated with traditional keypads.

When the pin is being entered the led displays a randomly allocated set of numbers from 0 to 9 to prevent onlookers from deciphering the number. The position of the numbers changes every time the keypad is activated so that only the user standing directly in front of the keypad can see the scrambled digits. Each numeral is randomly scrambled to a new position each time the start button is pressed so a bystander cannot see the code learn the pattern nor identify telltale wear marks on certain keys. The progeny scramble keypad does not suffer from these problems as the keys are scrambled each time it is used.

An integrated contactless prox smart card reader enables a variety of card code applications. The keypads do not suffer from the lack of security associated with a traditional keypad where an onlooker can easily discover the entry code of a conventional keyboard by observing which keys are pressed. The onboard match allows for connected readers biometrics etc.