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Loudspeaker device with acoustic lenses for video apparatus

A technology of video equipment and loudspeaker, applied in the direction of frequency/direction characteristic device, spatial/structural arrangement of loudspeaker, sound-generating equipment, etc., which can solve the problems such as bad appearance of loudspeaker device

Inactive Publication Date: 2004-07-07
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First, the complex blade structure makes the appearance of the speaker unit not good
Secondly, almost every loudspeaker part on the back of the vane is fully visible to the TV viewer, so the overall appearance of the loudspeaker unit is not good

Method used

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  • Loudspeaker device with acoustic lenses for video apparatus
  • Loudspeaker device with acoustic lenses for video apparatus
  • Loudspeaker device with acoustic lenses for video apparatus

Examples

Experimental program
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Embodiment Construction

[0048] figure 1 is an external perspective view of a television set including a speaker device according to a first embodiment of the present invention. figure 1 Among them, TV is made up of TV box 11, picture tube 10 near the central front of TV box 11, and speaker device 1 on its front top right, center top, left top, right bottom, center bottom and left bottom part.

[0049] Note that in the present invention, these loudspeaker devices are not necessarily located on the upper front and the lower front of the TV box 11, and may only be located on the upper front or the lower front. Additionally, these speaker units may be located on its front right and front left sides. Therefore, these speaker devices are not limited to the above positions. In addition, although a speaker device in a television set will be described in this embodiment, the speaker device can also be applied to other video equipment such as display monitors and personal computers.

[0050] figure 2 is...

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PUM

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Abstract

In video equipment, a video equipment speaker device that is almost invisible from a viewer and capable of placing, toward the front of the center portion of the screen, an acoustic image from a speaker 2 provided on at least either an upper or lower portion of a screen is provided. A speaker device 1 includes the speaker 2, a sound duct 3 positioned forward of the speaker 2 to externally output sound, a speaker baffle 4 provided in the vicinity of edges forming an opening of the sound duct 3 and formed to outwardly reflect the sound, a fin 5 provided forward of the speaker baffle 4, sound space 6 formed between the speaker baffle 4 and the fin 5, and slits 7 outwardly opened from the sound space 6.

Description

technical field [0001] The present invention relates to speaker units for video equipment such as display monitors, televisions and personal computers, and more particularly to video equipment speaker units having an acoustic lens. Background technique [0002] Loudspeaker units are often equipped with acoustic lenses. Acoustic lenses are used to set the directionality of the loudspeaker unit to the desired inversion. Traditionally, the acoustic lens of a loudspeaker device is formed with a plurality of fins. Such a speaker device can be found in Japanese Patent Laid-Open No. 6-35489. [0003] Figure 14 is a perspective view of a TV equipped with a TV speaker arrangement with an acoustic lens. Figure 14 Among them, the TV set includes a TV box 11, a picture tube 10 on the center of the front of the TV box 11, a right channel and a left channel speaker assembly 12 on the upper right, upper left, lower right and lower left on the front of the TV box 11, close to the TV Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/64G10K11/30H04R1/34H04R5/02
CPCH04R2499/15H04R1/345H04R5/02
Inventor 池内一彦盐田富男
Owner PANASONIC CORP
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