Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1977-02-09
1979-01-09
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340711, 355 39, 340802, G06F 314
Patent
active
041341058
ABSTRACT:
A display device for use with a photographic system that includes a platform for receiving objects to be photographed and a support for a camera used for photographing objects received on the platform. The display device includes a plurality of digit sections arrayed to provide a display of a multiple digit number, a keyboard device for selecting characters to be displayed and an electrical circuit. Each of the digit sections includes a display element having an array of a plurality of segments that are separately actuated in response to predetermined combinations of electrical signals for providing a display of a selected numeric character. The electrical circuit provides the predetermined combinations of electrical signals in response to the operation of the keyboard, and further includes counters for increasing the displayed number by one count in response to a predetermined input signal. The display device may be positioned on the platform when a photograph is made of an object received on the platform to enable the photograph to include both the image of the selected characters displayed by the display device and the image of said object.
A preferred application is using the display device to display an identification number relating to the object that is being photographed in a microfilming process so that the identification number is also included in the photograph. A predetermined input signal is provided so as to increase the identification number by one count as each photograph is made.
REFERENCES:
patent: 3710696 (1973-01-01), Tucker et al.
patent: 3775007 (1973-11-01), Davidson
An Alphanumeric Display as a Communication Aid for the Dumb, Newell, 1/75, Med. & Biol. Engrg.; pp. 84-88.
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