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:
Jan. 03, 2006
Filed:
Dec. 10, 2001
Eric Cheng, Taipei, TW;
Eric Cheng, Taipei, TW;
C-Media Electronics Inc., Taipei, TW;
Abstract
Means for compensating rear sound effect, comprising a headphone-like or an earphone-like device with rear speakers carried therein, the headphone-like or earphone-like device including an opening for receiving the front speaker signal, wherein the headphone-like or the earphone-like device includes a housing for receiving the rear speakers, wherein the housings opposite each other, the two housings being joined by a headband, to compose the headphone-like structure; an input plug with conductive wire connected to the housing; and wherein the earphone-like or headphone-like device cannot cover the whole ear for receiving the sound from the front speakers and sub-woofer speaker, the opening allowing the ears to listen the sound from the front speakers, the rear speakers being respectively located on both sides of the earphone-like or headphone-like device to provide virtual speaker of rear side without losing rear bass.