发明名称 METHOD OF AND APPARATUS FOR DISPLAYING ALPHANUMERIC RANGE IN CAMERA VIEWFINDER
摘要 <p>3356-1628 A photographic apparatus in which signals representative of exposure parameters, such as distance or scene brightness, are converted to alphanumeric representations of such parameters and rendered visible to the user of the apparatus. In a preferred embodiment light emitting diodes are used for the alphanumerically rendered signals.</p>
申请公布号 CA1261460(A) 申请公布日期 1989.09.26
申请号 CA19860523195 申请日期 1986.11.18
申请人 POLAROID CORPORATION 发明人 NEELY, JUDITH L.
分类号 G03B7/16;G01S7/56;G03B3/10;G03B17/18;G03B17/20;(IPC1-7):G03B17/20 主分类号 G03B7/16
代理机构 代理人
主权项
地址