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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0621358 (1975-10-10) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 39 인용 특허 : 0 |
A chair or bed consists of a base structure forming a closed, external housing and a body-supporting means which cooperates with the housing to provide a chamber which is closed but for pressure relief openings. One or more loudspeakers is mounted in the chamber facing the body-supporting means, and
A device for supporting the body of a person comprising, in combination: a base structure comprising a plurality of connected walls which define a housing that is upwardly open; effectively uninterrupted rigid body-supporting means comprising a sheet of material which forms the top of said housing a
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