Circuit for processing an output signal of a communication stage
View Patent ↗In a circuit ( 2, 3 ) for processing at least one output signal (C 1 , C 2 , C 3 ) of a communication stage, which at least one output signal (C 1 , C 2 , C 3 ) of a communication stage can be generated by means of a communication stage, there are provided signal-mixing means ( 5 ), which signal-mixing means ( 5 ) are arranged to receive at least two output signals (C 1 , C 2 , C 3 ) of communication stages and to mix the at least two output signals (C 1 , C 2 , C 3 ) of communication stages and to transmit a collision signal representing the result of the mixing of the at least two output signals (C 1 , C 2 , C 3 ) of communication stages, which collision signal represents a simultaneous occurrence of at least two output signals (C 1 , C 2 , C 3 ) of communication stages in an electromagnetic field.
1. A circuit for processing at least one output signal characterized by signal-mixing means arranged to receive at least two output signals of communication stages, wherein the signal-mixing means are arranged to logic gate the at least two output signals of communication stages that are received in respect of the units of information that are respectively represented by them and that correspond to one another,
to mix the at least two output signals by superimposing them, and to emit a collision signal representing the result of the mixing of the at least two output signals, wherein the collision signal is a superimposition of the at least two output signals representing a simultaneous occurrence of the at least two output signals in an electromagnetic field.
2. A circuit as claimed in claim 1 , wherein the signal-mixing means are arranged to process an output signal of a communication stage that is coded in the Manchester code.
3. A circuit for processing at least one output signal characterized by signal-mixing means arranged to receive at least two output signals of communication stages, to mix the at least two output signals by superimposing them, and to emit a collision signal representing the result of the mixing of the at least two output signals, wherein the collision signal is a superimposition of the at least two output signals representing a simultaneous occurrence of the at least two output signals in an electromagnetic field wherein the circuit has priority-ensuring means that, once at least one of the communication stages has been activated to communicate, are arranged to ensure that this at least one selected communication stage retains its priority with respect to communication over another communication stage that has not been selected.
4. A data carrier having a circuit, the circuit for processing at least one output signal, wherein the circuit has interface means that are arranged for communication by contact and/or for contactless communication, wherein the circuit has a communication stage that is arranged to generate and emit an output signal of the communication stage, the circuit characterized by signal-mixing means arranged to receive at least two output signals of communication stages, wherein the signal-mixing means are arranged to cooperate with the communication stage and to cooperate with the interface means, the signal-mixing means to mix the at least two output signals by superimposing them, and to emit a collision signal representing the result of the mixing of the at least two output signals, wherein the collision signal is a superimposition of the at least two output signals representing a simultaneous occurrence of the at least two output signals in an electromagnetic field.
5. A communications device having a circuit, wherein the communications device is provided with at least one circuit with at least one data carrier as claimed in claim 4 .
6. A communications device as claimed in claim 5 , wherein the communications device is in the form of a mobile telephone or a personal digital assistant.
7. A communications device as claimed in claim 5 , wherein the communications device is in the form of a read/write station for data carriers.