发明授权
US3091166A Photographic device responsive to both incident and reflected light 失效
摄影装置响应入射光和反射光

  • 专利标题: Photographic device responsive to both incident and reflected light
  • 专利标题(中): 摄影装置响应入射光和反射光
  • 申请号: US85795959
    申请日: 1959-12-07
  • 公开(公告)号: US3091166A
    公开(公告)日: 1963-05-28
  • 发明人: NORWOOD DONALD W
  • 申请人: NORWOOD DONALD W
  • 专利权人: Donald W Norwood
  • 当前专利权人: Donald W Norwood
  • 优先权: US85795959 1959-12-07
  • 主分类号: G01J1/42
  • IPC分类号: G01J1/42 G03B7/085
Photographic device responsive to both incident and reflected light
信息查询
0/0