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A PORTABLE CLOSED CIRCUIT TELEVISION AID FOR THE PARTIALLY SIGHTED

 

作者: Michael,   Lavieri G.,  

 

期刊: American Journal of Optometry and Archives of American Academy of Optometry  （OVID Available online 1972）
卷期: Volume 49, issue 2  

页码: 178-178

 

ISSN:0002-9408

 

年代: 1972

 

出版商: OVID

 

数据来源: OVID

 

摘要:

Closed circuit television as an aid to the partially sighted has hitherto not been portable. A model weighing 30 pounds and portable has been constructed and is described.

 

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