...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 8004447 | Successive approximation analog to digital converter and method thereof The configuration of a successive approximation analog to digital converter (ADC) and a method thereof are provided in the present invention. The proposed configuration includes a comparator having an inverting input terminal, a non-inverting input terminal and an o... | 08/23/2011 |
| 7541877 | Auto-adjusting high accuracy oscillator An auto-adjusting high accuracy oscillator is disclosed, which comprises: a frequency comparator, for comparing a synchronization signal obtained from a USB host with an oscillation signal obtain from a device; a control tuning circuit, further comprising a counter ... | 06/02/2009 |
| 7415546 | Method and apparatus for interfacing a peripheral device corresponding to the detection of interface The invention relates to an apparatus for interfacing a peripheral device corresponding to the detection of interface, which comprises: a regulator, for regulating the working voltage of the circuit of the apparatus; an USB physical layer with switch controller, for... | 08/19/2008 |
| 7312589 | Driver control circuit and method for cold cathode fluorescent lamp A driver control circuit and method for a cold cathode fluorescent lamp (CCFL), that the driver control circuit comprises: at least a comparator; at least an input/output port, at least an analog-to-digital converter; at least two programmable pulse generators (PPGs... | 12/25/2007 |
| 7283000 | Auto-adjusting high accuracy oscillator An auto-adjusting high accuracy oscillator is disclosed, which includes: a frequency comparator, for comparing a synchronization signal obtained from a USB host with an oscillation signal obtain from a device; a control tuning circuit, further comprising a counter a... | 10/16/2007 |
| 7271372 | Power control apparatus and method for electric cookers A power control apparatus for electric cookers includes an input unit, an output unit, a micro controller unit (MCU), having a programmer pulse generator (PPG) and at least an analog/digital converter built therein, a power circuit, an exciter-coil circuit, an outpu... | 09/18/2007 |