Data carrier with a chip and a plurality of sensors
View Patent ↗The invention relates to a data carrier ( 100 ) with a chip ( 10 ) which stores energy ( 13 ) as well as information for contact-bound or contactless inductive communication, and with a plurality of excitable chip sensors ( 11 ) integrated in the chip ( 10 ), which, after excitation ( 12 ), pass on a signal ( 18 ) to a CPU ( 19 ) of the chip ( 10 ), in which the signal ( 18 ) is processed. The invention is characterized in that, independently of storing energy ( 13 ) as well as information by the chip ( 10 ), the excitation ( 12 ) is specifically adjustable by the chip ( 10 ) for the purpose of additionally storing information and is adaptable to the requirements of processing the signal ( 18 ) in the CPU ( 19 ).
1. A data carrier with a chip, which stores energy as well as information for contact-bound or contactless inductive communication, and with a plurality of excitable chip sensors integrated in the chip, which, after excitation, pass on a signal from the plurality of chip sensors to a central processing unit (CPU) of the chip, in which the signal is processed, characterized in that, independently of storing energy as well as information by the chip, the excitation is specifically adjustable by the chip for the purpose of additionally storing information and is adaptable to the requirements of processing the signal in the CPU, characterized in that the plurality of chip sensors communicates with a filter material in which the excitation is specifically adjustable and is adaptable to the requirements of processing the signal in the CPU;
characterized in that the plurality of chip sensors includes a photosensor and the filter material comprises a card material and a matrix adjoining the card material, which matrix generates modulated luminescences, in which a pulsed laser beam first penetrates through the card material and then penetrates the matrix, wherein the card material is separate and distinct from the matrix; and
characterized in that the CPU performs a combined processing operation on a signal of the contact-bound or contactless inductive communication and the signal supplied by the plurality of chip sensors, wherein the signal of the contact-bound or contactless inductive communication is a binary value received via the contact-bound or contactless inductive communication and the signal supplied by the plurality of chip sensors is a binary value received via the photosensor; and
wherein the CPU composes a binary code, which triggers a further process in the chip, from the binary value received via the contact-bound or contactless inductive communication and the binary value received via the photosensor.
2. A data carrier as claimed in claim 1 , characterized in that the data carrier is integrated in a value or security document.
3. A method of communicating with chips integrated in data carriers, in which energy as well as information from a chip is stored for contact-bound or contactless inductive communication, the method comprising:
exciting a plurality of chip sensors integrated in the chip;
supplying a signal from the plurality of chip sensors to a central processing unit (CPU) for the purpose of processing, the excitation being specifically adjusted by the chip for the purpose of additional storage of information and being adapted to the requirements of processing in the CPU;
causing the plurality of chip sensors to communicate with a filter material in which the excitation is specifically adjusted and adapted to the requirements of processing the signal in the CPU;
characterized in that the plurality of chip sensors includes a photosensor and the filter material comprises a card material and a matrix adjoining the card material, which matrix generates modulated luminescences, in which a pulsed laser beam first penetrates through the card material and then penetrates the matrix, wherein the card material is separate and distinct from the matrix; and
performing, with the CPU, a combined processing operation on a signal of the contact-bound or contactless inductive communication and the signal supplied by the plurality of chip sensors, wherein the signal of the contact-bound or contactless inductive communication is a binary value received via the contact-bound or contactless inductive communication and the signal supplied by the plurality of chip sensors is a binary value received via the photosensor; and
composing, with the CPU, a binary code, which triggers a further process in the chip, from the binary value received via the contact-bound or contactless inductive communication and the binary value received via the photosensor.
4. A method as claimed in claim 3 , characterized in that a photosensor detecting the excitation of a pulsed laser beam is integrated in the plurality of chip sensors.