Sound field controller and control method

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The Matsushita Electric Industrial Co., Ltd. patent solves the following problem:

The present invention relates to a sound field controller for use in audio-visual (AV) equipment, and a method used in such a sound field controller. Particularly, the present invention relates to a sound field controller for sound reproduction with a greeting in front by controlling the distance on the view and the feeling of expansion of a sound image , and with more natural reproduction frequency.

Our analysis of this patent is as follows:

Matsushita Electric Industrial Co., Ltd.’s patent US 5742688 A deals with Sound field controller and control method.
A sound field controller of the invention reproduces a sound field that gives a distance perspective depending on a position of a sound image for an audience. The sound field controller includes: an A / D converter; a signal processing section for processing the digital signal using the predetermined parameters, and to generate a voice signal; an input device for inputting conditions including a position in a voice of local and some distance from a listener; a standard controller to make arguments in the section signal processing so that the voice signal with attributes according to the input conditions; a D / A converter; and a reproducing unit for expanding and copying the signal output from the D / A converter.

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Self-healing seal for use in medical devices

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The Becton Dickinson And Company patent solves the following problem:

The present invention relates to a seal for use in medical equipment that is "self-repair." Particularly, the present invention relates to a seal designed to be punctured with a catheter, needle, or similar things, but that remains the ability to immediately and fully sealed upon removal the penetrating object.

Our analysis of this patent is as follows:

Becton Dickinson And Company’s patent US 5738664 A deals with Self-healing seal for use in medical devices.
A self-healing seal which is particularly adaptable for use in medical applications. seal includes a housing defining an interior volume. housing formed of a rigid or semi-rigid material such as a rubber or other elastomeric material. A viscous flowable material desires within, and substantially filling, the inner chamber of the housing. The viscous flowable material is usually a gel, such as silicone gel. The self-healing seal configured as if it held something like a hypodermic needle, when the needle is removed, the viscous flowable material flows in such a way as to fill the space formerly occupied by the penetrating object. At the same time the housing sufficiently elastic to maintain the viscous material within the inner volume of the housing. In this way a liquid that did not seal.

The revolutionary TRAN&ASSOCIATES provides patent creation and management tools to help inventors protect their inventions using the patent system. Full lawyer support to complete and file the application is available.