Computer color monitor testing method and portable testing apparatus
OwnerCharles M. Millerinventor
Life of this patent
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Abstract
A computer color monitor portable testing apparatus includes a programmable microprocessor storing a software program and producing timing and control signals in response to operation of the program to generate selected color patterns on a selected one of different types (CGA, EGA and VGA) of color monitors to be tested, a pair of connectors one of which can be selected for connecting with a selected one of the different types of color monitors to be tested, and a mode selector switch connecting the microprocessor with the connectors and being actuatable for selecting the different operational modes for testing the different types of monitors.
Claims20
A computer color monitor portable testing apparatus, comprising:
- (a) control means for producing timing and control signals to generate a selected one of a plurality of color patterns on a color monitor under test being selected from a group consisting of a video graphics array (VGA) monitor, a color graphics adapter (CGA) monitor and an enhanced graphics adapter (EGA) monitor;
- (b) connector means for connecting with said selected one of said VGA, CGA and EGA color monitors to be tested;
- and
- (c) selector means for connecting the control means with the connector means and being actuatable for selecting one of a plurality of different operational modes corresponding to said VGA, CGA and EGA color monitors for producing said timing and control signals to generate said selected one of said plurality of color patterns for testing said selected one of said VGA, CGA and EGA color monitors.
A computer color monitor portable testing apparatus, comprising:
- (a) control means for storing a software program and for producing timing and control signals in response to operation of the program to generate selected color patterns on a selected one of different types of color monitors to be tested;
- (b) a pair of connectors one of which can be selected for connecting with a selected one of different types of color monitors to be tested;
- and
- (c) a mode/power selecting means connected to the control means and being actuatable for selecting different operational modes for testing the different types of monitors.
A computer color monitor testing method, comprising the steps of:
- (a) connecting a testing apparatus with a color monitor to be tested being selected from a group consisting of a video graphics array (VGA) monitor, a color graphics adapter (CGA) monitor and an enhanced graphics adapter (EGA) monitor;
- (b) selecting one of a plurality of different operational modes of the testing apparatus corresponding to the selected one of the VGA, CGA and EGA color monitors to be tested for producing timing and control signals by the testing apparatus to generate a selected one of a plurality of different color patterns for testing the selected one of the VGA, CGA and EGA color monitors;
- and
- (c) producing the timing and control signals corresponding to the operational mode selected to thereby generate the one of the plurality of different color patterns on the selected one of the VGA, CGA and EGA color monitors in order to test operational quality of the selected monitor.
A computer color monitor portable testing apparatus, comprising:
- (a) control means for producing timing and control signals to generate selected color patterns on a color monitor under test;
- (b) connector means for connecting with a selected one of the different types of color monitors to be tested;
- and
- (c) selector means for connecting the control means with the connector means and being actuatable for selecting different operational modes for testing the different types of color monitors;
- (d) said control means including a microprocessor storing a software program and being operable to produce red, blue and green video signals and horizontal sync, vertical sync and intensity signals in response to operation of the stored program to generate selected color patterns on a selected one of different types of color monitors to be tested;
- (e) said connector means including first and second connectors being connected in parallel to said microprocessor so as to each receive said red, blue and green video signals and said horizontal sync, vertical sync and intensity signals therefrom.
Dependencies are inferred from the claim text.