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:
Jun. 22, 1993
Filed:
Apr. 08, 1992
Gary T Draffen, Rancho Palos Verdes, CA (US);
Culver Electronic Sales, Inc., Gardena, CA (US);
Abstract
The present invention is a dual-chamber multi-channel speaker for an audio system which has four stereo surround sound channels including a right front channel, a left front channel, a rear surround channel and a center channel. The preferred embodiment of the present invention speaker dual-chamber multi-channel speaker comprises a VCR shaped cabinet having a front chamber and a rear chamber, each being an independently sealed enclosure. A tweeter and two midranges are installed in the front chamber for producing sound effects of the center channel of the audio system. A subwoofer is installed in the rear chamber for producing low frequency sound effects of the right and left front channels. The center channel drivers are front-firing. The subwoofer may be up-firing or down-firing. The present invention dual-chamber multi-channel speaker further comprises a center channel crossover network for connecting the center channel drivers with the center channel of the audio system, and a separate front channels crossover network for connecting the subwoofer with the right and left front channels of the audio system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile