US4868496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable color comparison oscilloscope
Assignee: Texas Digital Systems Inc
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Filing: 1988-06-13
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Granted: 1989-09-19
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Expires: 2008-06-13
Abstract
Abstract A waveform measuring device includes a variable color display for exhibiting a measured waveform. The portions of the exhibited waveform that are within predetermined limits are illuminated in a first color, and the portions of the exhibited waveform that are outside the limits are illuminated in a second color.
Inventors
- 👤 Karel Havel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/40; G01R13/404; G01R13/405; G04; G04G; G04G9/00; G04G9/02; G04G9/04
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
84 words
A method of simultaneously displaying a measured waveform and its relation to predetermined limits, on a single variable color display means, by causing said waveform to be exhibited on said display means, and by controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are displayed in a first color, and portions of the exhibited waveform that are outside said limits are displayed in a second color.
Claim 2
Independent Claim
84 words
A method of simultaneously displaying a measured waveform and its relation to predetermined limits, on a single variable color display means, by causing said waveform to be exhibited on said display means, and by controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are displayed in a first color, and portions of the exhibited waveform that are outside said limits are displayed in a second color.
Claim 3
Dependent Claim
82 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; variable color display means responsive to said outputs for exhibiting said measured waveform; and color control means for controlling the color of the exhibited waveform in accordance with its relation to predetermined limits such that portions of the exhibited waveform that are within said limits are illuminated in a first color, and portions of the exhibited waveform that are outside said limits are illuminated in a second color.
Claim 4
Dependent Claim
82 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; variable color display means responsive to said outputs for exhibiting said measured waveform; and color control means for controlling the color of the exhibited waveform in accordance with its relation to predetermined limits such that portions of the exhibited waveform that are within said limits are illuminated in a first color, and portions of the exhibited waveform that are outside said limits are illuminated in a second color.
Claim 5
Independent Claim
104 words
A method of simultaneously displaying a measured waveform, predetermined limits, and the relation of said waveform to said limits, on a single variable color display means, by causing said limits to be exhibited on said display means in a first color, by causing said waveform to be exhibited on said display means, and by controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are displayed in a second color, and portions of the exhibited waveform that are outside said limits are displayed in a third color.
Claim 6
Independent Claim
104 words
A method of simultaneously displaying a measured waveform, predetermined limits, and the relation of said waveform to said limits, on a single variable color display means, by causing said limits to be exhibited on said display means in a first color, by causing said waveform to be exhibited on said display means, and by controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are displayed in a second color, and portions of the exhibited waveform that are outside said limits are displayed in a third color.
Claim 7
Dependent Claim
95 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; variable color display means responsive to said outputs for exhibiting said measured waveform; means for exhibiting predetermined limits on said display means in a first color; and color control means for controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are illuminated in a second color, and portions of the exhibited waveform that are outside said limits are illuminated in a third color.
Claim 8
Dependent Claim
95 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; variable color display means responsive to said outputs for exhibiting said measured waveform; means for exhibiting predetermined limits on said display means in a first color; and color control means for controlling the color of the exhibited waveform in accordance with its relation to said limits such that portions of the exhibited waveform that are within said limits are illuminated in a second color, and portions of the exhibited waveform that are outside said limits are illuminated in a third color.
Claim 9
Independent Claim
122 words
A method of simultaneously displaying a measured waveform and its relation to predetermined limits, on a single display means including a plurality of variable color display areas arranged in a pattern, by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform, by controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a first color and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a second color, and by stabilizing the illuminated display areas such that they maintain their colors.
Claim 10
Independent Claim
122 words
A method of simultaneously displaying a measured waveform and its relation to predetermined limits, on a single display means including a plurality of variable color display areas arranged in a pattern, by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform, by controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a first color and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a second color, and by stabilizing the illuminated display areas such that they maintain their colors.
Claim 11
Dependent Claim
133 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; display means including a plurality of variable color display areas arranged in a pattern and responsive to said outputs for exhibiting said measured waveform by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform; color control means for controlling the color of the exhibited waveform in accordance with its relation to predetermined limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a first color, and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a second color; and means for stabilizing the illuminated display areas such that they maintain their colors.
Claim 12
Dependent Claim
133 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; display means including a plurality of variable color display areas arranged in a pattern and responsive to said outputs for exhibiting said measured waveform by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform; color control means for controlling the color of the exhibited waveform in accordance with its relation to predetermined limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a first color, and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a second color; and means for stabilizing the illuminated display areas such that they maintain their colors.
Claim 13
Independent Claim
147 words
A method of simultaneously displaying a measured waveform, predetermined limits, and the relation of said waveform to said limits, on a single display means including a plurality of variable color display areas arranged in a pattern, by briefly illuminating in a first color certain of said display areas that correspond by their positions to said limits, by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform, by controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a second color and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a third color, and by stabilizing the illuminated display areas such that they maintain their colors.
Claim 14
Independent Claim
147 words
A method of simultaneously displaying a measured waveform, predetermined limits, and the relation of said waveform to said limits, on a single display means including a plurality of variable color display areas arranged in a pattern, by briefly illuminating in a first color certain of said display areas that correspond by their positions to said limits, by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform, by controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a second color and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a third color, and by stabilizing the illuminated display areas such that they maintain their colors.
Claim 15
Dependent Claim
162 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; display means including a plurality of variable color display areas arranged in a pattern and responsive to said outputs for exhibiting said measured waveform by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform; means for exhibiting predetermined limits on said display means by briefly illuminating in a first color certain of said display areas that correspond by their positions to said limits; color control means for controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a second color, and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a third color; and means for stabilizing the illuminated display areas such that they maintain their colors.
Claim 16
Dependent Claim
162 words
A measuring device comprising: waveform measuring means having outputs indicative of the measured waveform; display means including a plurality of variable color display areas arranged in a pattern and responsive to said outputs for exhibiting said measured waveform by briefly illuminating certain of said display areas that correspond by their positions to said measured waveform; means for exhibiting predetermined limits on said display means by briefly illuminating in a first color certain of said display areas that correspond by their positions to said limits; color control means for controlling the color of the exhibited waveform in accordance with its relation to said limits such that the display areas corresponding to portions of the exhibited waveform that are within said limits are illuminated in a second color, and the display areas corresponding to portions of the exhibited waveform that are outside said limits are illuminated in a third color; and means for stabilizing the illuminated display areas such that they maintain their colors.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
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| 3.5 Years (Year 4) | 1992-09-18 | 1993-03-20 | 1993-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-18 | 1997-03-20 | 1997-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-18 | 2001-03-20 | 2001-09-19 | $7700.00 | Window Closed / Lapsed |