4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Junko Nagahata

Inventor

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Camera with a display device and operation keys

Photography – With exposure objective focusing means – focusing aid – or... – Plural focusing or rangefinding areas
Reexamination Certificate

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Focus detection device and accompanying optical equipment

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Profile ID: LFUS-PAI-P-434942

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