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IP.com Disclosure Number: IPCOM000022940D
Original Publication Date: 1976-May-31
Included in the Prior Art Database: 2004-Mar-27

Publishing Venue

Xerox Disclosure Journal


The self~containedCOPY numbering device 1 shown in Fig. 1 includes liquid crystal display digits 2 compactly mounted on unit 3 which contains batteries and counting chips. Light sensing element 4 is shown located on the surface of one of the liquid crystal display digits. Light sensing element 4 is operatively connected to the counting chips in unit 3 so as to index the numerical count shown by the display digits 2 upon each exposure to bright light.