U.S. patents available from 1976 to present.
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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Examiner: Van Nguyen, Khanh


Primary examiner statistics: 14 patents; average approval time: 794 days
Assistant examiner statistics: 19 patents; average approval time: 674 days

Patents as Primary Examiner

Patent No. Patent Title:
7279977 Integrated circuit with resistive network having reduced mismatch
7265615 Multiple differential amplifier system and method for transconduc...
7250817 Linear power efficient radio frequency (RF) driver system and met...
7173487 Power amplification circuit and communication device using the sa...
7135922 Power supply rejection for pulse width modulated amplifiers and a...
7132888 Large gain range, high linearity, low noise MOS VGA
7126421 Method for aligning feed forward loops
7109796 Amplifying circuit with adjustable amplification and transmitter ...
6756842 AC coupled multistage high gain operational amplifier
6741124 Differential gain adjusting amplifier system with selectable elec...
6724256 Receiver with delay insensitive to input amplitude and slew rate
6714075 Variable gain amplifier and filter circuit
6710657 Gain control circuit with well-defined gain states
6707337 Self-operating PWM amplifier

Patents as Assistant Examiner

Patent No. Patent Title:
6686800 Low noise, electric field sensor
6617919 RF amplifier
6600370 Intermodulation signal detector
6498529 Method and apparatus for calculating the predistortion function f...
6489846 Distortion compensating device and distortion compensating method
6392485 High slew rate differential amplifier circuit
6384680 RF amplifier with plural combiners
6281752 Amplifier with improved, high precision, high speed and low power...
6252459 System and method for a dual bandwidth capacitor multiplying filt...
6229396 Controlled impedance transformer line driver
6177839 Variable gain amplifier circuit
6166605 Integrated audio amplifier
6154094 High power output stage with temperature stable precisely control...
6111462 RF power amplifier linearization using parallel RF power amplifie...
5999045 Amplification circuit which includes an input-current compensatio...
5990751 Method and apparatus for improving power transfer efficiency of a...
5977826 Cascaded error correction in a feed forward amplifier
5973555 Power amplifier apparatus
5949285 Gain-variable amplifier having small DC output deviation and smal...
 
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