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

Icon_funbox Bizarre Patents

Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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: IHP-GmbH - Innovations for High Performance Microelectronics/Institut fur Innovative Mikroelektronik


Location: Frankfurt, DE
No. of patents: 1

NumberTitleIssue Date
7629841Sigma-delta modulator with feedback for power amplifiers
The invention concerns an electronic circuit comprising a sigma-delta modulator and a power amplifier connected downstream thereof, wherein there is provided a feedback circuit (207) which is coupled between an output of the sigma-delta modulator and an input...
12/08/2009
 
Sign InRegister
Username  
Password   
forgot password?