Video timing device for pharmaceutical tablet testing

Details Video timing device for pharmaceutical tablet testing Video timing device for pharmaceutical tablet testing

1988-02-16

1989-08-08

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

73866, 358 93, H04N 718, G01N 1900

Patent

active

048558214

ABSTRACT:
A combination for observing and recording required periods of time for dissolution and/or disintegration of pharmaceutical solid dosage forms such as tablets, including one or more, preferably two electronic video camera lense mechanisms positioned at different locations of surveillance of a plurality of different separate tablet-containing vessels each separately supporting different tablet(s) with liquid media, as observed by the camera lenses through window(s) of camera-lens support structure anchored onto a vessel (waterbath) containing the liquid media, the tablet-containing vessels being moved alternately upwardly and downwardly and/or revolvably, with a time recorder recording intermittently or continuously exact times of surveillance testing of tablets, and a monitor for playing-back on a single or preferably divided-screen recorded observations and recorded times associated therewith.

REFERENCES:
patent: 3618395 (1971-11-01), Melliger
patent: 3791222 (1974-02-01), Goodhart
patent: 4279860 (1981-07-01), Smolen
patent: 4413277 (1983-11-01), Murray
patent: 4472960 (1984-09-01), Motoyama
patent: 4514758 (1985-04-01), Berthel
patent: 4636849 (1987-01-01), Wada
patent: 4681858 (1987-07-01), Chaudhari
patent: 4754657 (1988-07-01), Schneider

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