Electronic access card having key pads and coils and combination using the same

Claim 2

In an electronic access card having a unique identification number for use by a user having a personal identification number in conjunction with a lock device, a printed circuit board a microprocessor carried by the printed circuit board, a plurality of keys carried by the board, and connected to the microprocessor, a clock coupled to the microprocessor, a battery carried by the printed circuit board and coupled to the microprocessor and means coupled to the microprocessor and to the battery whereby when keys are operated the keys are polled by the microprocessor and information is adapted to be supplied by the microprocessor to the lock device, said means coupled to the microprocessor permitting information to be coupled from the lock device to the card, said microprocessor having means capable of receiving, storing and transmitting encrypted information which includes the unique identification number for the card, the personal identification number of the user of the card and an update code, means controlled by the microprocessor and the clock for invalidating the update code after a predetermined interval of time, said microprocessor also including means for receiving a periodic update for the update code from information inputted through the keys by the user to permit the continued use of the card by the user after insertion of the periodic update for the update code.

Claim 3

A card as in claim 1 wherein said means coupled to the microprocessor permits bidirectional communication to and from the lock device.

Claim 4

An access card as in claim 1 wherein said means coupled to the microprocessor consists of first and second coils capable of transmitting radio frequency energy.

Claim 5

An access card as in claim 1 wherein said means coupled to the microprocessor includes transistor means coupled to the microprocessor and to the transducer means and to the battery.

Claim 6

An access card as in claim 1 wherein said means coupled to the microprocessor includes rectifier and filter means.

Claim 7

In the combination for use by a user of an access card and a security apparatus having a device movable between open and closed positions and having electronic circuitry therein for controlling movement of said device to the open position, the electronic circuitry including means permitting communication with the access card, the access card comprising a printed circuit board, a microprocessor carried by the printed circuit board, a plurality of keys operable by the user carried by the printed circuit board and electrically coupled to the microprocessor for introducing predetermined codes including an update code and commands into the microprocessor for storage therein, a clock coupled to the microprocessor, a battery carried by the printed circuit board and coupled to the microprocessor, means controlled by the microprocessor and the clock for invalidating the update code after a predetermined interval of time, said microprocessor also including means for receiving a periodic update for the update code from information imputed through the keys by the user to permit continued use of the card by the user after insertion of the periodic update for the update code, coupling means carried by the card adapted to establish communication between the access card and the security apparatus and coupled to the microprocessor and the battery whereby when keys on the keyboard are operated the keys are polled by the microprocessor and information is supplied by the microprocessor to the coupling means, the address card also having means capable of receiving information from the security apparatus through the coupling means of the card.

Claim 8

In the combination for use by a user of an access card and a security apparatus having a device movable between open and closed positions and having electronic circuitry therein for controlling movement of said device to the open position, the electronic circuitry including means permitting communication with the access card, the access card comprising a printed circuit board, a microprocessor carried by the printed circuit board, a plurality of keys operable by the user carried by the printed circuit board and electrically coupled to the microprocessor for introducing predetermined codes including an update code and commands into the microprocessor for storage therein, a clock coupled to the microprocessor, a battery carried by the printed circuit board and coupled to the microprocessor, means controlled by the microprocessor and the clock for invalidating the update code after a predetermined interval of time, said microprocessor also including means for receiving a periodic update for the update code from information imputed through the keys by the user to permit continued use of the card by the user after insertion of the periodic update for the update code, coupling means carried by the card adapted to establish communication between the access card and the security apparatus and coupled to the microprocessor and the battery whereby when keys on the keyboard are operated the keys are polled by the microprocessor and information is supplied by the microprocessor to the coupling means, the address card also having means capable of receiving information from the security apparatus through the coupling means of the card.

Claim 9

An access card as in claim 1 wherein said access card has provided thereon a bar code which includes the unique identification number for the card.

Claim 10

The combination as in claim 6 wherein said access card includes a bar code which has incorporated therein a unique identification number.

Claim 11

An access card as in claim 1 together with a label carried by the card which has provided thereon the unique identification number and a call in date in indicia visible to the human eye and a bar code incorporating therein the unique identification number and the call in date.