Audiovisual equipment and casing thereof and method of producing

Details Audiovisual equipment and casing thereof and method of producing Audiovisual equipment and casing thereof and method of producing

1997-05-12

1999-02-09

Cuomo, Peter M.

Supports: cabinet structure

Television type

381333, 181199, A47B 8106

Patent

active

058684751

ABSTRACT:
A casing for an audiovisual equipment presents outer appearance giving the impression of integrating a hole area formed of a plurality of sound transmitting fine holes with the casing, thereby making the hole area unnoticeable. This allows a viewer to easily concentrate on the screen by eliminating anything noticeable and distracting from the area surrounding the screen, and also gives the outside of the casing a luxurious appearance. In order to make the hole area unnoticeable, maintain good volume and quality of sound from the speaker, and arrange the diameter .o slashed.d mm of the tapered fine holes to be practically the smallest, the relationship between the diameter .o slashed.d mm and the thickness T mm of the casing must be expressed by the following formula: (1/6).times.T mm.ltoreq..o slashed.d mm .apprxeq.0.5 mm. When the fine holes are formed to be straight, the relationship between the diameter .o slashed.ds mm and the thickness t mm of the casing must be expressed by the following formula: (1/5).times.t mm.ltoreq..o slashed.ds mm.ltoreq.0.5 mm.

REFERENCES:
patent: 3422358 (1969-01-01), Sabonis
patent: 3541452 (1970-11-01), Disesa et al.
patent: 4395079 (1983-07-01), Yano et al.
patent: 4692942 (1987-09-01), Morgand
patent: 4919227 (1990-04-01), Chicoine

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