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Expendable and collapsible sound amplifying cellular phone case

a cellular phone and audio amplifier technology, applied in the field of cellular phone cases, can solve the problems of too many customizations of the cellular phone itself to a basic function by the manufacturers, and achieve the effect of amplifying the sound

Inactive Publication Date: 2014-04-24
OH KWANG J +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0037]The limiter is provided on an edge of the base groove for preventing the foldable pan-shaped plate from bending outward.
[0039]The advantages of the present invention are: (1) the case can be applied to mobile devices easily; (2) the case amplifies the sound from the mobile devices; and (3) the sound amplifying device can be operated so as to guide the sound irregardless of the state of opening or closing.

Problems solved by technology

However, cellular phone itself may be too customized to a basic functions by the manufacturers.

Method used

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  • Expendable and collapsible sound amplifying cellular phone case
  • Expendable and collapsible sound amplifying cellular phone case
  • Expendable and collapsible sound amplifying cellular phone case

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Embodiment Construction

[0080]The U.S. patent application Ser. Nos. 13 / 403,947 and 13 / 552,539 are incorporated by reference into this disclosure as if fully set forth herein.

[0081]FIGS. 1-38 show sound-amplifying cases and their components according to embodiments of the invention

[0082]An object of the invention is to provide a sound-amplifying case for a mobile device.

[0083]An aspect of the invention provides a sound-amplifying case 100 for a mobile device 290 as shown in FIG. 2.

[0084]The case 100 is for the mobile device 290 with its regular parts such as a front face, a rear face, a top edge, a bottom edge, two side edges, and a speaker.

[0085]The sound-amplifying case 100 comprises a body 10, a sound guide groove 20, a sound guide hole 30, a pop-up plate 40, a blockable sound slit 50, a wedge-shaped bellow sound amplifier 60, a plurality of first magnets 70, and a spring device 80.

[0086]The body 10 is for covering the rear face of the mobile device 290 and comprises a plurality of fastening portions 12 ...

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PUM

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Abstract

A sound-amplifying case for a mobile device is provided. The sound guide groove is provided under a portion of the body and opened over the speaker of the mobile device for guiding sound from the speaker toward the pop-up plate. The sound guide hole is provided through a portion of the base groove of the body exposing the speaker of the mobile device to the sound guide groove. The blockable sound slit is provided between the body and the pop-up plate above the sound guide groove, and the blockable sound slit is configured to open when the pop-up plate is closed down and to close when the pop-up plate is opened up. The wedge-shape bellow sound amplifier comprises first and second foldable pan-shaped plates, and each of them is installed between corresponding side edge of the base groove of the body and corresponding inner edge of the pop-up plate.

Description

RELATED APPLICATION[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 13 / 403,947 for “EXPENDABLE AND COLLAPSIBLE SOUND AMPLIFYING CELLULAR PHONE CASE” filed on Feb. 23, 2012 and U.S. patent application Ser. No. 13 / 552,539 for “EXPENDABLE AND COLLAPSIBLE SOUND AMPLIFYING CELLULAR PHONE CASE” filed on Jul. 18, 2012.BACKGROUND OF THE INVENTION[0002]The present invention relates to an expendable and collapsible sound amplifying cellular phone case.[0003]A cellular phone is like a body part to a modern human being. However, cellular phone itself may be too customized to a basic functions by the manufacturers.[0004]A need for an expendable and collapsible sound amplifying cellular phone case has been present for a long time considering the expansive demands in the everyday life. This invention is directed to solve these problems and satisfy the long-felt need.SUMMARY OF THE INVENTION[0005]The present invention contrives to solve the disadvantages of the p...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04M1/03
CPCH04M1/035H04M1/0214H04M1/04
Inventor OH, KWANG J.OH, LORENOH, AUSTIN
Owner OH KWANG J
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