Abstract: A system for communicating data over a transmission line is disclosed. In one example implementation, the system may include a transmitter configured to modulate a control signal onto an RF signal using amplitude-shift keying modulation to generate a transmit signal. The system may include a receiver and a transmission line coupling the transmitter to the receiver. The transmitter may be configured to transmit the transmit signal over the transmission line to the receiver, and the receiver may be configured to de-modulate the control signal and extract clock information associated with the transmitter. In some embodiments, the system may include a tuning circuit and a modal antenna, and the tuning circuit may be or include the receiver. The receiver may be configured to adjust a mode of the modal antenna based on the control signal transmitted by the transmitter.

Abstract: A system for communicating data over a transmission line is disclosed. In one example implementation, the system may include a transmitter configured to modulate a control signal onto an RF signal using amplitude-shift keying modulation to generate a transmit signal. The system may include a receiver and a transmission line coupling the transmitter to the receiver. The transmitter may be configured to transmit the transmit signal over the transmission line to the receiver, and the receiver may be configured to de-modulate the control signal and extract clock information associated with the transmitter. In some embodiments, the system may include a tuning circuit and a modal antenna, and the tuning circuit may be or include the receiver. The receiver may be configured to adjust a mode of the modal antenna based on the control signal transmitted by the transmitter.

Abstract: System and method for underwriting and financing of elective health procedures for clinical capacity optimization, including determining, for each of at least some available time slots in a calendar, an effective net profit as a function of a corresponding optimum discount rate, wherein the optimum discount rate for a calendar slot is the discount rate that maximizes an expected net profit of a clinic.

Abstract: A voltage regulator can include an input device, a current mirror, one or more offset control circuits, an output device, and a positive feedback loop. The input device can be configured to receive a source voltage from a voltage source. The current mirror can be coupled to the input device and configured to provide load current regulation within the voltage regulator. The one or more offset control circuits can be configured to balance voltage levels within the voltage regulator. The output device can include at least a first transistor that is matched to a second transistor within the voltage regulator such that the matching is configured to provide supply regulation within the voltage regulator. The positive feedback loop can be formed at least in part by the current mirror, the first transistor and the second transistor.

Abstract: A voltage regulator can include an input device, a current mirror, one or more offset control circuits, an output device, and a positive feedback loop. The input device can be configured to receive a source voltage from a voltage source. The current mirror can be coupled to the input device and configured to provide load current regulation within the voltage regulator. The one or more offset control circuits can be configured to balance voltage levels within the voltage regulator. The output device can include at least a first transistor that is matched to a second transistor within the voltage regulator such that the matching is configured to provide supply regulation within the voltage regulator. The positive feedback loop can be formed at least in part by the current mirror, the first transistor and the second transistor.

Abstract: A system for communicating data over a transmission line is disclosed. In one example implementation, the system may include a transmitter configured to modulate a control signal onto an RF signal using amplitude-shift keying modulation to generate a transmit signal. The system may include a receiver and a transmission line coupling the transmitter to the receiver. The transmitter may be configured to transmit the transmit signal over the transmission line to the receiver, and the receiver may be configured to de-modulate the control signal and extract clock information associated with the transmitter. In some embodiments, the system may include a tuning circuit and a modal antenna, and the tuning circuit may be or include the receiver. The receiver may be configured to adjust a mode of the modal antenna based on the control signal transmitted by the transmitter.

Abstract: A voltage regulator can include an input device, a current mirror, one or more offset control circuits, an output device, and a positive feedback loop. The input device can be configured to receive a source voltage from a voltage source. The current mirror can be coupled to the input device and configured to provide load current regulation within the voltage regulator. The one or more offset control circuits can be configured to balance voltage levels within the voltage regulator. The output device can include at least a first transistor that is matched to a second transistor within the voltage regulator such that the matching is configured to provide supply regulation within the voltage regulator. The positive feedback loop can be formed at least in part by the current mirror, the first transistor and the second transistor.

Abstract: A system for communicating data over a transmission line is disclosed. In one example implementation, the system may include a transmitter configured to modulate a control signal onto an RF signal using amplitude-shift keying modulation to generate a transmit signal. The system may include a receiver and a transmission line coupling the transmitter to the receiver. The transmitter may be configured to transmit the transmit signal over the transmission line to the receiver, and the receiver may be configured to de-modulate the control signal and extract clock information associated with the transmitter. In some embodiments, the system may include a tuning circuit and a modal antenna, and the tuning circuit may be or include the receiver. The receiver may be configured to adjust a mode of the modal antenna based on the control signal transmitted by the transmitter.

Abstract: A near field RFID system includes an RFID reader and an RFID tag. The RFID reader includes a transmit path and a receive path, wherein the transmit path includes: an encoding section coupled to convert data into encoded data; a digital to analog conversion module coupled to convert the encoded data into an analog encoded signal; a power amplifier coupled to amplify the analog encoded signal; and a plurality of coils coupled to generate a plurality of electromagnetic fields from the analog encoded signal. The RFID tag that includes: a coil coupled to generate a current and a recovered signal from at least one of the plurality of electromagnetic fields; a power recovery circuit coupled to generate a voltage from the current; and a data processing section coupled to process the recovered signal, wherein the data processing section is powered via the voltage.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A dynamic radio frequency (RF) front end includes an antenna array, a power amplifier structure, and a low noise amplifier structure. The power amplifier structure generates a plurality of outbound RF signals from an outbound RF signal and provides the plurality of outbound RF signals to the antenna array. Each of the plurality of outbound RF signals has a different transmit phase rotation. The low noise amplifier structure receives a plurality of inbound RF signals from the antenna array and outputs one of the plurality of inbound RF signals based on a favorable phase relationship with respect to the outbound RF signal. Each of the plurality of inbound RF signals has a different receive phase rotation.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: Aspects of a method and system for identifying a radio frequency identification (RFID) tag location using a switchable coil are presented. Aspects of the systems may include one or more processors that enable selection of an inductor coil from a plurality of inductor coils. The selection of the inductor coil may be based on a change in an electromagnetic field, with respect to an initial electromagnetic field, as detected by the selected inductor coil. The processors may enable transmission of a signal, having a transmitter frequency in the UHF frequency band, via the selected inductor coil.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: Aspects of a method and system for identifying a radio frequency identification (RFID) tag location using a switchable coil are presented. Aspects of the systems may include one or more processors that enable selection of an inductor coil from a plurality of inductor coils. The selection of the inductor coil may be based on a change in an electromagnetic field, with respect to an initial electromagnetic field, as detected by the selected inductor coil. The processors may enable transmission of a signal, having a transmitter frequency in the UHF frequency band, via the selected inductor coil.