Abstract: A system measures reflectance in a scene. A first optical sensor is configured to measure incident energy at a location in a scene. A second optical sensor is configured to measure reflected energy from the location in the scene. The incident energy and the reflected energy are analyzed to determine a photometric property at the location of the scene.

Abstract: A control circuit for command signals of a clock generator includes a power supply end, an output end, a control end, a diode, a first resistor and a second resistor. The first resistor, the diode, and the second resistor are connected in series between the power supply end and the ground. The diode has an anode connected to the first resistor and a cathode connected to the second resistor. The control end is connected to a node between the diode and the second resistor; the output end is connected to a node between the diode and the first resistor. The output end outputs the command signals to the clock generator.

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.

Abstract: An optical moulding process is disclosed comprising the sequential steps of: (a)(y) forming a layer of a photocurable composition; and (bXz) irradiating selected areas of the composition in the layer with radiation from a radiation source, thereby curing the composition in said selected areas and repeating the steps a) and b) on top of an earlier cured layer to form a three dimensional structure, wherein the radiation source used in step b) is a non-coherent source of radiation and wherein the photocurable composition comprises at least two curable components: (i) 45%-95% (and preferably at least 50%, more preferably at least 60%, e.g.

Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.

Abstract: A voltage generating circuit for providing a voltage signal to a memory in a computer is provided. The voltage generating circuit includes a voltage selecting circuit and a control circuit. The control circuit, responsive to a first and a second voltage control signal, controls the voltage selecting circuit to gate a first voltage input or a second voltage input into a terminal of a regulating transistor. Another terminal of the regulating transistor outputs the voltage signal to the memory.

Abstract: The present invention relates to a purified population of fibroblast-like macrophage (f-macrophage, f-M?) and methods using the same. The f-M? can be expanded in vitro and differentiated into several lineages, including insulin-expressing cells, endothelial cells, and neuronal cells. The f-M? described herein have been generated from human umbilical cord blood (CB f-M?) and have characteristics similar to f-M? derived from peripheral blood. Thrombopoietin (TPO), at low dosage, significantly stimulates the proliferation of CB f-M?, wherein the TPO-expanded CB f-M? retain their pluripotent differentiation potential.

Abstract: A linear voltage regulator provides a selectable output voltage to a load. The linear voltage regulator includes: a regulating circuit including an input terminal for receiving an input voltage, an output terminal for providing an output voltage to a load, and an adjusting terminal; a first resistor and a second resistor connected between the output terminal and ground for receiving the output voltage; and a voltage sampling control circuit electrically connected to a node between the first resistor and the second resistor for receiving logic signals from a controlling chip, and generating a reference current to the adjusting terminal of the regulating circuit to provide the selectable output voltage.

Abstract: A memory voltage generating circuit includes a first control module, a core circuit, and a second control module. The core circuit includes a regulation amplifier, a first MOSFET, a second MOSFET, and a switch. An output terminal and an inverting input terminal of the regulation amplifier are both connected to an output terminal of the core circuit. A non-inverting input terminal of the regulation amplifier is coupled to the second control module. The non-inverting input terminal of the regulation amplifier is also connected to a referenced voltage via one resistor and is grounded via another resistor. A source of the first MOSFET is coupled to the inverting input terminal of the regulation amplifier. A gate of the first MOSFET is connected to the output terminal of the regulation amplifier. Drains of the first MOSFET and the second MOSFET are coupled to an input voltage via the switch. A source of the second MOSFET is connected to another input voltage.

Abstract: A weak battery warning circuit includes a warning circuit for generating an alarm; a battery having a cathode connected to ground; and a controlling circuit comprising a transistor, the transistor having an emitter for receiving an input voltage, a base connected to an anode of the battery via a base resistor, and a collector connected to the warning circuit and also connected to ground via a collector resistor. When the voltage of the battery reduces to a predetermined value, the controlling circuit controls the warning circuit to alarm.

Abstract: A linear voltage regulator includes an error amplifier receiving an operational voltage and provided a control signal, a pass device controlled by the control signal and providing a load voltage from a power supply, and a leakage circuit controlled by the control signal and consuming a drive-back current. Since the linear voltage regulator includes the leakage circuit, a drive-back current created can be grounded via the switch transistor of the leakage circuit. Thereby an impedance calibration of termination transistors will be normal, and a life span of electronic components will be protected.

Abstract: A task infrastructure that allows for the decoupling of the task launch code from the task client code and from the task execution code is provided. The task infrastructure allows the relationship between the task display and launch logic and the task client logic to be defined in a declarative manner, allowing for the segregation of the task display and launch logic from the task client logic. The task infrastructure comprises a manifest that contains a specification of the relationship between the task display and launch logic and the task client logic. The manifest may also define which task clients expose which tasks, the context under which each task is displayed, the arguments that the task needs in order to start execution, the task description to display, and the method in which the task can be launched. At run-time, a task client can read the manifest and decide which task or tasks to expose to an end user under a current context.

Abstract: A control circuit for command signals of a clock generator includes a power supply end, an output end, a control end, a diode, a first resistor and a second resistor. The first resistor, the diode, and the second resistor are connected in series between the power supply end and the ground. The diode has an anode connected to the first resistor and a cathode connected to the second resistor. The control end is connected to a node between the diode and the second resistor; the output end is connected to a node between the diode and the first resistor. The output end outputs the command signals to the clock generator.

Abstract: A power supply for a bus interface is provided. The power supply comprises: an input terminal; an output terminal; a fuse providing over-current protection; a diode providing over-voltage protection, a reverse breakdown voltage of the diode not less than a maximal voltage difference of the output terminal and the input terminal, the diode connected to the fuse in series between an input terminal and an output terminal; and a plurality of capacitors filtering noise, one end of each of the capacitors connected to a node between the fuse and an anode of the diode, and another end of each of the capacitors is grounded. The power supply can provide effective over-voltage protection because a reverse breakdown voltage of the diode is not less than a maximal voltage difference of the output terminal and the input terminal. In addition, the power supply has a low cost of manufacture.

Abstract: A voltage providing circuit includes a protective circuit and a power supply circuit. The protective circuit includes a first transistor. A first control signal is input to a collector of the first transistor, a second control signal is input to a base of the first transistor, an emitter of the first transistor is grounded. The collector of the first transistor is connected to the power supply circuit. The second control signal and the first control signal jointly control the power supply circuit to be turned on or turned off. When the second control signal is at a low level, the first transistor is turned off and the power supply circuit is turned off. When the second control signal is at a high level, the first transistor is turned on and the power supply circuit is turned on. Thus, the providing circuit can prevent the electronic component from being damaged when a computer is restarted.

Abstract: A method of generating a morphing sequence utilising a computer, the method comprising the step of user-defining respective components in a source object and a target object respectively, wherein each component comprises a plurality of local features of respective source and target meshes representing the source and target objects, and user-defining corresponding components between the source object and the target object. The method may further comprise the step of computer-deducing correspondences between components in the source and target objects based on the user-defined correspondences between other components.

Abstract: A method for identifying common multiphone units to add to a unit inventory for a text-to-speech generator is disclosed. The common multiphone units are units that are larger than a phone, but smaller than a syllable. The method slices each syllable into a plurality of slices. These slices are then sorted and the frequency of each slice is determined. Those slices whose frequencies exceed a threshold are added to the unit inventory. The remaining slices are decomposed according to a predetermined set of rules to determine if they contain slices that should be added to the unit inventory.

Abstract: A power good signal generating circuit includes an NPN transistor, a first resistor, a second resistor, a third resistor, a first power source, and a second power source. The first resistor is connected between a base of the transistor and the first power source. The second resistor is connected between a collector of the transistor and the second power source. The third resistor is connected between an emitter of the transistor and ground. The collector is connected to an output for sending a PG signal and the emitter is connected to an input for receiving a control signal P.

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor and a second transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the first transistor and the second transistor. Emitters of the first transistor and the second transistor are coupled to a first terminal for receiving a control signal. A 1.8V standby voltage is separately inputted to bases of the first transistor and the second transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the first transistor and the second transistor. A second terminal is connected between the drain of the first MOSFET and the drain of the second MOSFET.

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.