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

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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.

 

Inventor: Daisuke Takai


Address: Miyagi-ken, JP
No. of patents: 7
Last patent issue date: 11/26/2002

NumberTitleIssue Date
6486743Device for driving and detecting oscillator
When output signal of an oscillator are binarized by binarization means, a timing signal for driving a sequence controller for controlling a correction portion is rested temporarily. The process for overwriting the contents of an E2 ROM of the ...
11/26/2002
6483356Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit
A sinusoidal signal generating circuit for ensuring a small phase difference with respect to a reference signal is provided. The sinusoidal signal generating circuit comprises a capacitor for charging/discharging, a charging unit for charging a predetermi...
11/19/2002
6397676Piezoelectric oscillator and signal detection apparatus using the same
A driving signal is provided to six electrodes (driving electrodes) on one of the surfaces of each of three vibration legs of a three-pronged tuning-fork-type piezoelectric oscillator. Two output electrodes from among six electrodes (output electrodes) on...
06/04/2002
6288474Drive detection device for gyroscope
A pair of electrodes are formed on the front surface and the rear surface of each vibrator in a longitudinal direction, and dielectric polarization is performed in the direction from the front surface to the rear surface. When I/V converters constituted b...
09/11/2001
6255760Driving apparatus of piezoelectric vibrator
Two current outputs are converted into voltage outputs by I/V converters, and further converted into digital outputs D1 and D2 by binarizing circuits. The outputs are added by an adder in a phase shifter, and converted into an output like a triangular wav...
07/03/2001
6016018Electronic apparatus incorporating battery
An battery-driven electronic apparatus incorporating battery has a source battery, a driven circuit driven by the battery, a pair of external terminals connected to the both ends of the source battery and a capacitor provided between the source battery an...
01/18/2000
5894269Theft monitoring apparatus
A theft monitoring apparatus does not require any complicated synchronous relationship for the signals received from a plurality of antennas, permits easier installation and maintenance and inspection, and does not adversely affect the appearance of a sho...
04/13/1999
 
Sign InRegister
Username  
Password   
forgot password?