The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2008
Filed:
Sep. 21, 2006
Hyun Duck Lee, Inchon, KR;
Hyun Duck Lee, Inchon, KR;
Duck Jean Enterprise Co., Ltd., Inchon, KR;
Abstract
Disclosed is a musical accessory, equipped with a tuner for stringed instruments and/or a metronome, capable of generating power by itself, which is convenient to use. In an aspect, the musical accessory comprises a casing housing a sensor, an amplifier, an A/D converter, an indication unit, a microprocessor, and a power supply unit, wherein the power supply unit includes a driver pivotably installed on one side of the casing, a power generation module for generating electromotive force by receiving rotary power from the driver, and a charger connected to the power generation module and storing some amount of the electromotive force, wherein the musical accessory is operated by receiving power from the charger. In another aspect, the musical accessory comprises a casing housing a tempo and beat selection unit, a microprocessor, and a power supply unit which are installed in the casing, wherein the power supply unit includes a driver pivotably installed on one side of the casing, a power generation module for generating electromotive force by receiving rotary power from the driver, and a charger connected to the power generation module and storing some amount of the electromotive force, wherein the musical accessory is operated by receiving power from the charger.