Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1979-02-16
1980-07-29
Trafton, David L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
84DIG6, 84 101, 340365R, 340724, 340747, 340799, G06K 1520
Patent
active
042153433
ABSTRACT:
A pattern display system is disclosed which includes a keyboard for the manual entry of data representative of the patterns to be displayed, a microcomputer for accepting the entry data and for controlling the display system, a random access memory for storage of the entered data, audio circuitry controlled by the microcomputer for accepting data to provide audio signals representative of stored data, coding/decoding circuitry for the transfer of stored digital data to or from a tape recorder, and video circuitry utilized under the control of the microcomputer for the visual display on a cathode ray tube (CRT) of the patterns represented by the stored data. Specifically, the video circuitry includes read-only memories which are controlled to provide video pattern information in response to the stored data which represented desired patterns and timing information for the CRT.
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Ejiri Masakazu
Ueda Hirotada
Hitachi , Ltd.
Trafton David L.
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