초록 ▼

Method and apparatus for generating an equipment reply signal for the automatic identification of objects and/or living beings, including a stationary interrogator having an energy transmitter, a receiver, an evaluator connected to the receiver, an opening code generator, and a first modulator conne

Method and apparatus for generating an equipment reply signal for the automatic identification of objects and/or living beings, including a stationary interrogator having an energy transmitter, a receiver, an evaluator connected to the receiver, an opening code generator, and a first modulator connected to the energy transmitter, and a transponder fastened to the object or living being having a circuit unit with an energy receiver and converter, a code memory, a clock generator, a code transmitter, at least one antenna, an opening code receiver, an opening code memory, an opening code comparator connected to the opening code memory and the opening code receiver, a demodulator connected to the energy receiver and converter, and a second modulator connected to the demodulator, code transmitter, opening code transmitter and code memory, which includes radiating an opening code in the interrogator, storing the opening code in the transponder, radiating a code stored in the code memory by the code transmitter if the stored and radiated opening codes coincide, modulating a reply carrier signal on an energy wave with the first modulator, separating the reply carrier signal from the energy wave with the demodulator, modulating the reply signal carrier with the code with the second modulator, and radiating the modulated reply carrier signal as the reply signal with the code transmitter.

대표청구항 ▼

Method for generating an equipment reply signal for the automatic identification of objects and/or living beings, including a stationary interrogator having an energy transmitter, a receiver, an evaluator connectedto the receiver, an opening code generator, and a first modulator connected to the ene

Method for generating an equipment reply signal for the automatic identification of objects and/or living beings, including a stationary interrogator having an energy transmitter, a receiver, an evaluator connectedto the receiver, an opening code generator, and a first modulator connected to the energy transmitter, and a transponder fastened to the object or living being having a circuit unit with an energy receiver and converter, a code memory, a clock generator, a code transmitter, at least one antenna, an opening code receiver, an opening code memory, an opening code comparator connected to the opening code memory and the opening code receiver, a demodulator connected to the energy receiver and converter, and a second modulator connected to the demodulator, code transmitter, opening code comparator and code memory, which comprises radiating opening codes in the interrogator, transmitting the radiated opening codes from the interrogator to the transponder, radiating a code stored in the code memory by the code transmitter if the opening code stored in the opening code memory of the transponder and the radiated opening codes transmitted from the interrogator to the transponder coincide, modulating a reply carrier signal on an energy wave with the first modulator of the interrogator, transmitting the modulated energy wave with the energy transmitter of the interrogator to the energy receiver and converter of the transponder, separating the reply carrier signal from the energy wave with the demodulator of the transponder, modulating the reply carrier signal with the code with the second modulator in the transponder, and transmitting the modulated reply carrier signal as a reply signal with the code transmitter.