4. Photography
  5. With exposure objective focusing means, focusing aid, or...
  6. Manually selected preset focus position or range

Mark N. Robins

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Apparatus and method utilizing an AC adaptor port for event...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting
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Battery charging using a portable energy storage device

Electricity: battery or capacitor charging or discharging – Diverse charging or discharging rates for plural batteries
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Camera that operates in accordance with the speed...

Photography – With exposure objective focusing means – focusing aid – or... – Manually selected preset focus position or range
Reexamination Certificate

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Diffractive focusing using multiple selectively light opaque...

Liquid crystal cells – elements and systems – Liquid crystal optical element – Liquid crystal diffraction element
Reexamination Certificate

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Direction and collimation controllable flash

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance
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Profile ID: LFUS-PAI-P-2568172

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