Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7446597 | Voltage-controlled current source and frequency scanner using the same A voltage-controlled current source and a frequency scanner using the same are provided. The voltage-controlled current source includes an impedance circuit, an amplifier, a transistor, and a current mirror. A first terminal of the impedance circuit is coupled to a ... | 11/04/2008 |
| 7446485 | Multi-lamp driving system A multi-lamp driving system for driving a first lamp and a second lamp includes a power supply circuit, and first-stage transformers. The power supply circuit is used for supplying the first and second lamps with an AC power, and first-stage transformers coupled to ... | 11/04/2008 |
| 7439894 | Electronic apparatus for current source array and layout method thereof An electronic apparatus for current source array and the layout method thereof are provided. The current source array includes a low bit group and a plurality of high bit groups. The low bit group has a plurality of current source units and is disposed at a central ... | 10/21/2008 |
| 7429945 | Analog to digital converter The invention relates to an analog-to-digital converter comprising a reference voltage generating circuit, two coarse/fine comparators and two encoders for encoding the comparison result of the two coarse/fine comparators. In the invention, the two coarse/fine compa... | 09/30/2008 |
| 7397195 | Apparatus of light source and adjustable control circuit for LEDs A control circuit for LEDs is adapted for controlling brightness of a plurality of LEDs as light source in an LCD. The control circuit comprises a control pulse generator and a plurality of LED direct current supplies. The control pulse generator is used for receivi... | 07/08/2008 |
| 7358882 | Video processing method and apparatus A video processing method and apparatus to employing an analog user interface and a digital video decoder. A working mode is provided, according to which analog control signals from the analog user interface are selectively directed to an analog-to-digital converter... | 04/15/2008 |
| 7292014 | Controller and loading system thereof A loading system and a controller thereof are disclosed. The controller includes an adjustable triangle wave generator, an error signal generator, and a pulse signal generator. The triangle-wave generator is adapted to perform an amplitude and frequency operation ac... | 11/06/2007 |
| 7286014 | Variable gain device A variable gain device having higher linearity and wider gain range is provided. The variable gain device includes a transduction unit for generating an output current, a control unit for adjusting the current gain of the gain amplifying unit according to a gain con... | 10/23/2007 |
| 7253567 | Low-visual noise, jitterized pulse width modulation brightness control circuit A low visual noise, jitterized pulse width modulation brightness control circuit is provided. The circuit uses a brightness control signal generating unit to receive a brightness adjusting signal and to generate a brightness control signal in response to the brightn... | 08/07/2007 |
| 7242153 | Pulse width modulation inverter circuit and control method thereof A pulse width modulation inverter circuit is provided. The circuit includes a power switch driver, a power switch, a transformer unit, a feedback detector unit, and a voltage control oscillator. The circuit is electrically coupled to the DC power source to drive a l... | 07/10/2007 |
| 7183723 | PWM illumination control circuit with low visual noise for driving LED A pulse width modulation (PWM) illumination control circuit with a low visual noise for driving a light-emitting diode (LED) is provided. An illumination control pulse-generating unit is used to generate an illumination control pulse signal according to an illuminat... | 02/27/2007 |
| 7148633 | DC/AC inverter A DC/AC inverter provided for transforming a DC voltage source into an AC power source, wherein the AC signal is used for driving a fluorescent lamp. The inverter comprises a half-bridge switch circuitry electrically connected to the DC voltage source for outputting... | 12/12/2006 |
| 7129878 | Digital to analog converter A digital to analog converter for an analog Liquid Crystal Display (LCD) includes a digital inlet, a latching circuitry, a voltage level shifter circuitry, a switching circuitry, and a resistance network with a resistance compensatory circuitry. The resistance netwo... | 10/31/2006 |
