US3829613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color intensity control system
Assignee: Alcatel CIT SA
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Filing: 1972-12-29
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Granted: 1974-08-13
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Expires: 1992-12-29
Abstract
Abstract Device for effecting polychromatic traces of light, more particularly on the screen of a polychromatic cathode tube, comprising means for regulating the number of repeats of a same trace as a function of its color, in order to regulate the light flux produced by a trace according to its color.
Inventors
- 👤 G Melchior
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:59
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/28; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/062
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
132 words
A system for producing polychromatic traces of light with controlled intensity on a display screen, comprising display generating means for producing a sequence of sets of traces on a display screen, data processing means for controlling said display generating means to repetitively display identical sets of traces in a sequence of a given number, color selection means responsive to said data processing means for generating color designation signals indicating the colors of the respective traces, switching means responsive to said color selection means for controlling said display generating means to control the color of each trace on said display screen and color intensity control means for controlling said switching means to enable generation of traces of different colors in each set of traces a different number of times in each display sequence.
Claim 2
Independent Claim
132 words
A system for producing polychromatic traces of light with controlled intensity on a display screen, comprising display generating means for producing a sequence of sets of traces on a display screen, data processing means for controlling said display generating means to repetitively display identical sets of traces in a sequence of a given number, color selection means responsive to said data processing means for generating color designation signals indicating the colors of the respective traces, switching means responsive to said color selection means for controlling said display generating means to control the color of each trace on said display screen and color intensity control means for controlling said switching means to enable generation of traces of different colors in each set of traces a different number of times in each display sequence.
Claim 3
Dependent Claim
76 words
A system according to claim 1 wherein said color intensity control means includes a plurality of adjustable counters each providing an output for controlling a respective color, means for setting said counters at the beginning of each sequence to different values, means responsive to said data processing means for simultaneously driving said counters, and gating means for gating the outputs of said counters with respective outputs of said color selection means to control said switching means.
Claim 4
Dependent Claim
30 words
A system according to claim 2 wherein said adjustable counters are reverse counting counters connected by a switch to receive drive pulses from said data processing means during each sequence.
Claim 5
Dependent Claim
81 words
A system according to claim 3 wherein said gating means includes a plurality of flip-flops each connected to be set by the output of a respective counter and a plurality of AND gates each receiving a respective color designation signal at one input and the output of a respective flip-flop at the other input, so that a trace of a given color is produced for that number of sets of the sequence corresponding to the preset count of the corresponding counter.
Claim 6
Dependent Claim
40 words
A system according to claim 4, further including a photographic apparatus for filming the display on said display screen, the output of the flip-flop connected to the counter having the highest preset count being connected to actuate said photographic apparatus.
Claim 7
Dependent Claim
49 words
A system according to claim 4 wherein said display generating means includes a cathode ray tube capable of producing color displays, said switching means being responsive to the outputs of said AND gates for controlling said cathode ray tube to select the colors of the traces which are displayed.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |