Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1979-10-18
1981-03-17
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340744, 340723, 358280, 364515, G06F 314
Patent
active
042570441
ABSTRACT:
A graphic display system which is particularly applicable to a raster scanning type graphic display device is disclosed. The system extracts a given partial pattern from an original pattern by comparing a counted value of an input coordinate X axis counter for counting the number of picture elements of the original pattern with given preset values so as to select a picture element having an X coordinate value within a given range of input coordinates and by comparing a counted value of an input coordinate Y axis counter for counting the number of scanning lines of the original pattern with given preset values so as to select a picture element having a Y coordinate value within the given range of the input coordinates. The given values are preset to a display coordinate X axis counter and a display coordinate Y axis counter, respectively, so as to bring a leading picture element of the partial pattern extracted from the original pattern into correspondence with the given coordinates of the display coordinates. The contents of the display coordinate X axis counter are subjected to increment so as to determine a coordinate position of a picture element to be recorded next to a recorded picture element in correspondence with recording and display of each picture element and resetting the display coordinate X axis counter and subjecting contents of the display Y axis counter to increment when the contents of the display coordinate X axis counter exceed the given preset values. The recording and display is stopped when the contents of both display coordinate X axis counter and the display coordinate Y axis counter reach respective given preset values so as to control the recording of the partial pattern.
REFERENCES:
patent: 3426344 (1969-02-01), Clark
patent: 3471848 (1969-10-01), Manber
patent: 3878536 (1975-04-01), Gilliam
patent: 3969716 (1976-07-01), Roberts
patent: 4090188 (1978-05-01), Suga
patent: 4115804 (1978-09-01), Morton et al.
patent: 4129860 (1978-12-01), Yonezawa et al.
Curtis Marshall M.
Olympus Optical Co,. Ltd.
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