Resources Contact Us Home
Center channel speaker having multiple interconnected backload amplifying chambers for surround sound stereo audio systems

Image Number 2 for United States Patent #5307418.

The present invention is a multi-chamber two-way center 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 center channel speaker comprises a VCR shaped cabinet having three parallel interior chambers including a front chamber, a middle and a rear chamber, all interconnected by offset openings. A tweeter and two midranges are installed in the front chamber. The rear chamber is vented through a rear opening. The volumes of the three chambers are expanded. This design and construction makes the three interconnected chambers a bass-reflex enclosure having gradually expanded volume for amplifying the backload of the two midranges. Therefore while the tweeter and the two midranges produce high and mid-frequency center channel dialogue sound effects of the audio system, the interconnected front, middle and rear chambers amplify the backload of the midranges to produce deep, rich, open and airy center channel sound effects of the audio system.

  Recently Added Patents
Organic electroluminescence device
Method and system for evaluating/analyzing patent portfolio using patent priority approach
Semiconductor memory apparatus
Scoring records for sorting by user-specific weights based on relative importance
Position and orientation measurement apparatus, position and orientation measurement method, and storage medium
Reception circuit and signal reception method
Sparse network almanac
  Randomly Featured Patents
Biometric identification device with smartcard capabilities
Window panel edge construction
Combined topical composition and container therefor
Apparatus and method for simulating one or more operational characteristics of an electronics rack
Vehicle in-service/out-of-service rotatable tailgate mechanism
Input circuit for inserting charge packets into a charge-transfer-device
Semiconductor thin film and its manufacturing method and semiconductor device and its manufacturing method
Hybrid tea rose plant named JHilmar
GMSK modulation using a dual-port memory
Method of YC separation of YC separation filter