LandOfFree - US Patents - Listing for Photography,Flash system responsive to focal length or distance,Illumination angle responds to focal length or distance

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Lens shutter camera having a zoom viewfinder mechanism and an ad

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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Light source having a variable focal length

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Optical device and light source

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Photo printing system and camera for the same

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Photographic lens unit and photographing method

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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Variable emission angle strobe light and control method therefor

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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Zoom finder

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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Zoom flash with variable focus lens

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Zoom flash with wave-lens

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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Zoom interlocking mechanism for camera

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Zoom lens camera, and a rotation transfer mechanism

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Reexamination Certificate

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Zoom strobe device

Photography – Flash system responsive to focal length or distance – Illumination angle responds to focal length or distance

Patent

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