Patent application number | Description | Published |
20100313814 | EXPANDABLE MODULAR PET FEEDER ASSEMBLY - The present invention provides a pet feeder that can be assembled and expanded. The pet feeder is composed of a plurality of dishware units, and each dishware units can be used independently. Each dishware unit includes a food space, a lateral wall defined around the food space, and an embedded coupling assembly arranged at one side of the lateral wall for interlocking or snapping purpose. The dishware units can be assembled via the mating of the embedded coupling assemblies, and also removed easily. Pet owners may add the dishware units depending on the consumption and type of food. The dishware units can be connected more stably due to increase of bottom surface area, so the pet feeder can be used in an orderly and environmental-friendly manner. | 12-16-2010 |
20100313822 | FOLDABLE PET CAGE - The present invention provides a kind of foldable pet cage, including a folding back frame, a rotatable seat board, a decorating facet and a foldable fence component. The rotatable seat board has a supporting board and a pivot side hinged on the landing board of the folding back frame so that the rotatable seat board can be rotated to the horizontal using status or to the vertical position to close the folding space of the folding back frame. The decorating facet is configured on the outside of the rotatable seat board. The foldable fence component has a front fence and two side fences. When folded, the foldable pet cage can be transformed into a decorative ornament, and as the fence components are completely housed and concealed, there will be no odor diffusion. | 12-16-2010 |
Patent application number | Description | Published |
20100259315 | Circuit and Methods for Temperature Insensitive Current Reference - Circuits and methods for providing a temperature insensitive reference current are disclosed. A voltage source is received having a temperature coefficient. A first resistive element having a positive temperature coefficient and a second resistive element having a negative temperature coefficient are series coupled to form a resistor ladder. The reference current is generated by coupling the voltage source across the resistor ladder. The temperature coefficients of the first and second resistive elements are chosen to cancel the temperature coefficient of the voltage source. In another embodiment a temperature compensated voltage source is coupled to a resistor ladder of a first resistive element and a second resistive element, and the first resistive element has a positive temperature coefficient and the second resistive element has a negative coefficient; these cancel to form a temperature insensitive reference current. A method for forming a temperature insensitive reference current from resistive elements is described. | 10-14-2010 |
20110169567 | CONSTANT TRANSCONDUCTANCE OPERATIONAL AMPLIFIER AND METHOD FOR OPERATION - An embodiment is a circuit comprising a first transistor, a second transistor, a third transistor, a fourth transistor, a first switch, and a second switch. The first transistor, the second transistor, the third transistor, and the fourth transistor are all of a same conductivity type. Sources of the first transistor, the second transistor, the third transistor, and the fourth transistor are electrically coupled together. Drains of the first transistor and the third transistor are electrically coupled together, and drains of the second transistor and the fourth transistor are electrically coupled together. A feature of the third transistor is three times a feature of the first transistor such that | 07-14-2011 |
20120128180 | Analog-to-Digital Converter and Analog-to-Digital Conversion Method - The invention provides an analog-to-digital converter. In one embodiment, the analog-to-digital converter receives a first audio signal from a microphone, and comprises a coding selection module, a pre-amplifier, a | 05-24-2012 |
20120128181 | Analog-to-Digital Converter, Sound Processing Device, and Method for Analog-to-Digital Conversion - The invention provides a sound processing device. In one embodiment, the sound processing device comprises a first microphone, a first analog-to-digital converter, a second microphone, and a second analog-to-digital converter. The first microphone detects a first sound pressure to generate a first analog audio signal. The first analog-to-digital converter converts the first analog audio signal to a first digital audio signal. The second microphone detects a second sound pressure to generate a second analog audio signal. The second analog-to-digital converter converts the second analog audio signal to a second digital audio signal, encodes a third digital audio signal according to the second digital audio signal, receives the first digital audio signal and a clock signal, outputs data bits of the third digital audio signal when the clock signal oscillates to a logic low level, and outputs data bits of the first digital audio signal when the clock signal oscillates to a logic high level. | 05-24-2012 |
20120128182 | Analog-to-Digital Converter and Analog-to-Digital Conversion Method - The invention provides an analog-to-digital converter. In one embodiment, the analog-to-digital converter receives a first audio signal from a microphone sensor, and receives a first channel selection signal and a clock signal, and comprises a toggle detection module, a first data processing module, a second data processing module, and a multiplexer. The toggle detection module detects whether the first channel selection signal is toggling between a logic low level and a logic high level to generate a control signal. The first data processing module processes the first channel selection signal to generate a second channel selection signal. The second data processing module converts the first audio signal from analog to digital to generate a second audio signal. If the control signal indicates that the first channel selection signal is toggling between the logic low level and the logic high level, the multiplexer outputs data bits of the second channel selection signal as an output signal of the analog-to-digital converter when the clock signal oscillates to the logic high level, and outputs data bits of the second audio signal as the output signal of the analog-to-digital converter when the clock signal oscillates to the logic low level. | 05-24-2012 |
20120130517 | Analog-to-Digital Converter, Sound Processing Device, and Analog-to-Digital Conversion Method - The invention provides a sound processing device. In one embodiment, the sound processing device comprises a first microphone, a first analog-to-digital converter, a second microphone, and a second analog-to-digital converter. The first microphone detects a first sound pressure to generate a first analog audio signal. The first analog-to-digital converter converts the first analog audio signal from analog to digital to obtain a first digital audio signal. The second microphone detects a second sound pressure to generate a second analog audio signal. The second analog-to-digital converter receives the first digital audio signal and a clock signal, inverts the phase of the first digital audio signal to generate a third digital audio signal, converts the second analog audio signal from analog to digital to obtain a second digital audio signal, encodes a fourth digital audio signal according to the second digital audio signal, outputs data bits of the third digital audio signal when the clock signal oscillates to a logic low level, and outputs data bits of the fourth digital audio signal when the clock signal oscillates to a logic high level. | 05-24-2012 |