Abstract: Among other things, first and second sets of authentication credentials are used to access respectively data about a first set of one or more accounts from a first source and data about the one or more of the second accounts from the a second source. The data are analyzed to identify (a) one account of the first set of one or more accounts and (b) the one of the one or more of the second accounts as possibly a single account. After information is presented to a user an indication is received from the user that they are a single account. For a computation that requires data about the single account, data from the first source or data from the second source or data from both are used, based on a predefined computational rule.

Abstract: A mask or shield comprising a flow of positive pressure air directed through substantially opposing jets that creates a stream of laminar flow filtered air to create a turbulent air pocket therein for supplying filtered breathing air to a wearer's face and to exclude outside unpurified air. Also a mask or shield comprising a flow of positive pressure air directed via a powered impeller unit that is configured to distribute positively pressurised filtered breathable air inside the face mask in a substantially 360° plane or arc substantially parallel to the internal surface of the face mask and to exclude external unpurified air. The mask is separated from and does not form a seal around a wearer's face unless required such as in a deadly environment or malfunction.

Abstract: An oral irrigator has a separate high pressure water system and low pressure mouth rinse system to deliver two different fluids to a pick or other accessories. The water system and mouth rinse system are combined in a handle. The pick is connected to the handle. The water system has a blocking valve located in the handle and the mouth rinse system has a hand pump located in the handle. The hand pump sits next to a valve button for closing the blocking valve. When the hand pump is pressed, it presses against the valve button of the blocking valve to shut off the source of high pressure water to the pick. The pressure in the pick drops so that the hand pump can then introduce mouth rinse into the pick. When the hand pump is released, the blocking valve opens up and high pressure water returns to the pick.

Abstract: Among other things, first and second sets of authentication credentials are used to access respectively data about a first set of one or more accounts from a first source and data about the one or more of the second accounts from the a second source. The data are analyzed to identify (a) one account of the first set of one or more accounts and (b) the one of the one or more of the second accounts as possibly a single account. After information is presented to a user an indication is received from the user that they are a single account. For a computation that requires data about the single account, data from the first source or data from the second source or data from both are used, based on a predefined computational rule.

Abstract: A method of controlling negotiations between a first party and a second party with respect to an item listed on an electronic-commerce platform having a restricted market is disclosed. Based on a submission of a received offer amount and a received quantity corresponding to the offer amount, a first round of a predetermined number of rounds of the negotiations is initiated. The first round includes displaying a counteroffer entry region comprising a location for receiving a counteroffer amount and a quantity corresponding to the counteroffer amount from the first party. Based on a submission of the received counteroffer amount and the received quantity corresponding to the counteroffer amount, a current approved price region comprising a location for a current approved price and a current approved quantity is updated. Via optional actions in an action region, the second party is allowed to participate in a second round of the negotiations.

Abstract: An apparatus includes an elliptical inductance-capacitance (LC) filter and a resistive-capacitive (RC) notch filter serially coupled to the elliptical LC filter. The elliptical LC filter and the RC notch filter are configured to filter a radio-frequency (RF) signal received by a feedback receive path.

Abstract: Removing common-mode current from a pair of complementary current signals, including: generating a common-mode voltage of the pair of complementary current signals including at least a first current signal and a second current signal; measuring and outputting a difference voltage between the generated common-mode voltage and a common-mode reference voltage; and removing at least a portion of the common-mode current from the first current signal and the second current signal based on the difference voltage.

Abstract: A circuit to a extend signal comparison voltage range includes a latching circuit and a comparator responsive to common-mode input signals. The comparator is coupled to the latching circuit and to a dynamic node. The circuit also includes a clocked boost circuit coupled to the dynamic node. The clocked boost circuit is configured to extend a supply voltage range of the comparator via biasing the dynamic node. A method to extend a signal comparison voltage range includes selectively shifting a voltage level of one of a ground reference of a dynamic circuit or a supply reference of the dynamic circuit in response to a clock signal.

Abstract: An impedance transformer for use with a quadrature passive mixer is disclosed. In an exemplary embodiment, an apparatus includes a mixer configured to generate an up-converted signal at a mixer output port in response to local oscillator (LO) signals, and an impedance transformer configured to provide a complex impedance at the mixer output port. The complex impedance configured to generate a selected level of the reverse isolation for the mixer thereby generating a selected amplitude flatness symmetry characteristic for the up-converted signal.

Abstract: Disclosed are devices, apparatus, and methods for directly infusing one or more materials into a bone of a patient. More particularly, devices, apparatus and methods are provided for direct intra-bone infusion, wherein intra-bone pressure is continuously monitored and adjusted during infusion such that intra-bone pressure does not exceed levels of systemic blood pressure. Such devices, apparatus and methods are particularly suitable for use in performing bone marrow transplants.

Abstract: Removing common-mode current from a pair of complementary current signals, including: generating a common-mode voltage of the pair of complementary current signals including at least a first current signal and a second current signal; measuring and outputting a difference voltage between the generated common-mode voltage and a common-mode reference voltage; and removing at least a portion of the common-mode current from the first current signal and the second current signal based on the difference voltage.

Abstract: An apparatus includes an elliptical inductance-capacitance (LC) filter and a resistive-capacitive (RC) notch filter serially coupled to the elliptical LC filter. The elliptical LC filter and the RC notch filter are configured to filter a radio-frequency (RF) signal received by a feedback receive path.

Abstract: A tightly integrated combined transmit and receive dual quadrifilar antenna is provided. The antenna comprises four helical transmit elements and four helical receive elements disposed about a common axis. A receiver front end includes an arrangement of two 90 degree hybrids which serve to effectively reject signals cross coupled from the transmit elements back into the receive elements, while still allowing the receiver to receive signals.

Abstract: A high-speed and low power divider includes a ring of four dynamic latches, an interlocking circuit, and four output inverters. Each latch has a first dynamic node M and a second dynamic node N. The interlocking circuit is coupled to the M nodes. Based on one or more of the M node signals received, the interlocking circuit selectively controls the logic values on one or more of the M modes such that over time, as the divider is clocked, only one of the signals on the N nodes is low at a given time. The output inverters generate inverted versions of the N node signals that are output from the divider as low phase noise 25% duty cycle output signals I, IB, Q and QB. In one specific example, each latch has eight transistors and no more than eight transistors. The divider recovers quickly and automatically from erroneous state disturbances.

Abstract: A passive mixer with channel impedance equalization is disclosed. In an exemplary embodiment, an apparatus includes replica devices configured to generate replica output signals and an error amplifier configured to generate bias signals based on the replica output signals. The bias signals are configured to equalize on-state channel impedances associated with a mixer.

Abstract: The invention relates to an aluminum alloy lithographic sheet product having an enhanced electrolytic graining response in which Zn between 0.5 and 2.5 wt % is added to an aluminum base alloy, in particular an alloy of the 1XXX, 3XXX or 5XXX series alloys. The invention also relates to a method of producing a lithographic sheet product.

Abstract: A high-speed and low power divider includes a ring of four dynamic latches, an interlocking circuit, and four output inverters. Each latch has a first dynamic node M and a second dynamic node N. The interlocking circuit is coupled to the M nodes. Based on one or more of the M node signals received, the interlocking circuit selectively controls the logic values on one or more of the M modes such that over time, as the divider is clocked, only one of the signals on the N nodes is low at a given time. The output inverters generate inverted versions of the N node signals that are output from the divider as low phase noise 25% duty cycle output signals I, IB, Q and QB. In one specific example, each latch has eight transistors and no more than eight transistors. The divider recovers quickly and automatically from erroneous state disturbances.

Abstract: A low loss multiple output switch with integrated distributed attenuation is disclosed. In an exemplary embodiment, an apparatus includes a switchable shunt network having an input terminal and a plurality of network output terminals, the switchable shunt network comprising selectable signal paths that connect the input terminal to the network output terminals. The apparatus also includes selectable shunt impedances connected to the selectable signal paths to adjust parasitic loading on the selectable signal paths.

Abstract: A passive mixer with channel impedance equalization is disclosed. In an exemplary embodiment, an apparatus includes replica devices configured to generate replica output signals and an error amplifier configured to generate bias signals based on the replica output signals. The bias signals are configured to equalize on-state channel impedances associated with a mixer.