Definitions from Wiktionary (photophone)

▸ noun:  (historical) A device that transmitted sound on a beam of light.
▸ noun:  (obsolete) A home phone with integral picture frame
▸ noun:  (dated) A stills-only cameraphone. Used to distinguish from video-capable camera cellphones and camera-less cellphones.
▸ noun:  A combination highly-capable digital camera and smartphone



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