1
Ervin Goldfain, Daniel C Briggs: Medical diagnostic instrument with variable focus liquid lens. Welch Allyn, Hiscock & Barclay, Stephen Rosenholm, June 30, 2009: US07553020 (8 worldwide citation)


A diagnostic instrument includes an illumination system for providing illuminating light and an imaging system for directing the illuminating light to a target and for transmitting light reflected from the target to a viewing location. The imaging system includes an electrically controllable variabl ...


2
Ervin Goldfain, Daniel C Briggs: Medical diagnostic instrument with variable focus liquid lens. Welch Allyn, Hiscock & Barclay, April 3, 2008: US20080079897-A1


A diagnostic instrument includes an illumination system for providing illuminating light and an imaging system for directing the illuminating light to a target and for transmitting light reflected from the target to a viewing location. The imaging system includes an electrically controllable variabl ...



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