Abstract: A method of supplying electrical energy from a first electronic circuit (10) to a second electronic circuit (20) connected via a communication interface (30), which interface (30) comprises at least one wire line (31) within a Radio Frequency Identification communication device (1), the method comprising the steps of: providing a coded high frequency data signal (S1) in the first electronic circuit (10); transmitting said coded high frequency data signal (S1) containing data and clock information via said communication interface (30) from said first electronic circuit (10) to said second electronic circuit (20); rectifying the transmitted coded high frequency data signal (S1) via rectifier means (21) in said second electronic circuit (20) to provide a rectified power signal (RS); and supplying the electrical energy contained in the rectified power signal (RS) to the second electronic circuit (20).

Abstract: In a circuit (2, 3) for processing at least one output signal (C1, C2, C3) of a communication stage, which at least one output signal (C1, C2, C3) 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 (C1, C2, C3) of communication stages and to mix the at least two output signals (C1, C2, C3) of communication stages and to transmit a collision signal representing the result of the mixing of the at least two output signals (C1, C2, C3) of communication stages, which collision signal represents a simultaneous occurrence of at least two output signals (C1, C2, C3) of communication stages in an electromagnetic field.

Abstract: Method for exchanging data between an NFC device (10) and a transceiver device (20) via a single communication channel (30), comprising the steps:—extracting a clock for the data exchange on the communication channel (30) from an external RF field (50); and—coding of the data via symbols, wherein the symbols comprise status information relating to simultaneous accesses of contactless card functionalities (21, 22, 23) on the transceiver (20) to the single communication channel (30).

Abstract: A method of supplying electrical energy from a first electronic circuit (10) to a second electronic circuit (20) connected via a communication interface (30), which interface (30) comprises at least one wire line (31) within a Radio Frequency Identification communication device (1), the method comprising the steps of: providing a coded high frequency data signal (S1) in the first electronic circuit (10); transmitting said coded high frequency data signal (S1) containing data and clock information via said communication interface (30) from said first electronic circuit (10) to said second electronic circuit (20); rectifying the transmitted coded high frequency data signal (S1) via rectifier means (21) in said second electronic circuit (20) to provide a rectified power signal (RS); and supplying the electrical energy contained in the rectified power signal (RS) to the second electronic circuit (20).

Abstract: In a circuit (2) for a communication partner appliance (1) designed for contactless communication having two activatable send modes (ABM, PBM), which send modes (ABM, PBM) differ from one another with regard to their energy requirement, a determination stage (15) is provided, which is designed to determine first energy source information (SI1), which first energy source information (SI1) is characteristic of at least one parameter of at least one energy source (11, 12) serving to supply the circuit with electrical energy, and a decision stage (26) is additionally provided, which is designed to form a decision result taking account of the first energy source information (SI1) determined with the determination stage (15), which decision result influences which send mode (ABM, PBM) is to be activated in the circuit (2) of the communication appliance (1).

Abstract: In a communication partner device (2A) which belongs to a communication system (1) having at least two such communication partner devices (2A, 2B) and which is designed for contactless communication over a first communication channel (4), wherein one of the two communication partner devices (2A, 2B) contains a communication enable information item (CEIA, CEIB) which is used to enable communication between the one communication partner device (2A) and the other communication partner device (2B) over the first communication channel (4), a communication stage (5A) is provided which is designed for contactless communication with a communication stage (5B) of the other communication partner device (2B) over a second communication channel (7) and which, in the event of communication over the second communication channel (7), is designed to make available the communication enable information item (CEIA, CEIB), necessary for communication over the first communication channel (4), in the communication partner device (

Abstract: In a circuit (2) for a communication partner appliance (1) designed for contactless communication having two activatable send modes (ABM, PBM), which send modes (ABM, PBM) differ from one another with regard to their energy requirement, a determination stage (15) is provided, which is designed to determine first energy source information (SI1), which first energy source information (SI1) is characteristic of at least one parameter of at least one energy source (11, 12) serving to supply the circuit with electrical energy, and a decision stage (26) is additionally provided, which is designed to form a decision result taking account of the first energy source information (SI1) determined with the determination stage (15), which decision result influences which send mode (ABM, PBM) is to be activated in the circuit (2) of the communication appliance (1).

Abstract: In a circuit (2, 3) for processing at least one output signal (C1, C2, C3) of a communication stage, which at least one output signal (C1, C2, C3) 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 (C1, C2, C3) of communication stages and to mix the at least two output signals (C1, C2, C3) of communication stages and to transmit a collision signal representing the result of the mixing of the at least two output signals (C1, C2, C3) of communication stages, which collision signal represents a simultaneous occurrence of at least two output signals (C1, C2, C3) of communication stages in an electromagnetic field.

Abstract: In a communication partner device (2A) which belongs to a communication system (1) having at least two such communication partner devices (2A, 2B) and which is designed for contactless communication over a first communication channel (4), wherein one of the two communication partner devices (2A, 2B) contains a communication enable information item (CEIA, CEIB) which is used to enable communication between the one communication partner device (2A) and the other communication partner device (2B) over the first communication channel (4), a communication stage (5A) is provided which is designed for contactless communication with a communication stage (5B) of the other communication partner device (2B) over a second communication channel (7) and which, in the event of communication over the second communication channel (7), is designed to make available the communication enable information item (CEIA, CEIB), necessary for communication over the first communication channel (4), in the communication partner device (