4. Photography
  5. Flash system responsive to focal length or distance
  6. Illumination angle responds to focal length or distance

Tsutomu Ichikawa

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Active matrix display device, video signal processing...

Computer graphics processing and selective visual display system – Display driving control circuitry
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Automatic focusing camera

Photography – Flash system responsive to focal length or distance
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Camera

Photography – With data recording – Optical
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Camera

Photography – Flash system responsive to focal length or distance
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Camera

Photography – Flash system responsive to focal length or distance
Reexamination Certificate

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Profile ID: LFUS-PAI-P-197068

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