U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...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.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Holtek Semiconductor


Location: Hsinchu, TW
No. of patents: 6

NumberTitleIssue Date
8004447Successive 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
7541877Auto-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
7415546Method 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
7312589Driver 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
7283000Auto-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
7271372Power 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
 
Sign InRegister
Username  
Password   
forgot password?