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:
May. 14, 2013
Filed:
May. 18, 2009
Applicant:
Guang-yu Pei, Shenzhen, CN;
Inventor:
Guang-Yu Pei, Shenzhen, CN;
Assignees:
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for inducing sleep includes an audio generator, a signal generator, and a signal processor. The audio generator generates audio signals. The signal generator generates electrical signals with a frequency between 0.4 HZ to 4 HZ. The signal processor adjusts amplitudes of the audio signals according to the frequency, and outputs the adjusted audio signals.