US4796086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for converting color picture signals
Assignee: Fujifilm Holdings Corp
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Filing: 1985-11-26
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Granted: 1989-01-03
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Expires: 2005-11-26
Abstract
Abstract A color hard copy of a picture displayed on, for example, a screen of a color television set is obtained by a signal converter in which an inclination of brightness with respect to the saturation of a color of the hard copy is modified by a signal converting circuit so as to be in accord with an inclination of brightness with respect to the saturation of the displayed color picture, a signal level of a signal regarding the specific color designated by a color setter is changed, and the color development density of the specific color element designated by a dye amount setter is also changed, whereby a color hard copy in which the specific color is maximumly corrected can be obtained.
Inventors
- 👤 Noboru Ohta
- 👤 Koji Takahashi
- 👤 Tsuneo Suzuki
- 👤 Makoto Tsugita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:25
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
65 words
A method for converting color picture signals regarding a displayed color picture to obtain a color hard copy thereof comprising the steps of: designating a color for correction according to color hues of yellow, magenta and cyan; maximally correcting said designated color by changing a signal level of a specific color; and thereby obtaining a slow change of said correction far from said designated color.
Claim 2
Independent Claim
65 words
A method for converting color picture signals regarding a displayed color picture to obtain a color hard copy thereof comprising the steps of: designating a color for correction according to color hues of yellow, magenta and cyan; maximally correcting said designated color by changing a signal level of a specific color; and thereby obtaining a slow change of said correction far from said designated color.
Claim 3
Dependent Claim
19 words
A converting method as claimed in claim 1, wherein said changing is greater than a normal signal level thereof.
Claim 4
Independent Claim
162 words
A method for converting color picture signals regarding a displayed color picture to obtain a color hard copy thereof comprising the steps of: preparing a signal conversion means for setting a specific color, a means for setting a specific dye amount and a means for converting input signals regarding a displayed color picture in a case where a color reproducing area of the displayed color picture is different from that of a color hard copy to be obtained; modifying an inclination of brightness with respect to saturation of a color of the color hard copy so as to be in accord with an inclination of brightness with respect to the saturation of a color of the displayed color picture by said signal converting means; changing a signal level regarding the specific color designated by said color setting means and changing a color development density of the specific dye designated by said dye amount setting means, and thereby maximally correcting said specific color.
Claim 5
Independent Claim
162 words
A method for converting color picture signals regarding a displayed color picture to obtain a color hard copy thereof comprising the steps of: preparing a signal conversion means for setting a specific color, a means for setting a specific dye amount and a means for converting input signals regarding a displayed color picture in a case where a color reproducing area of the displayed color picture is different from that of a color hard copy to be obtained; modifying an inclination of brightness with respect to saturation of a color of the color hard copy so as to be in accord with an inclination of brightness with respect to the saturation of a color of the displayed color picture by said signal converting means; changing a signal level regarding the specific color designated by said color setting means and changing a color development density of the specific dye designated by said dye amount setting means, and thereby maximally correcting said specific color.
Claim 6
Dependent Claim
13 words
A method as claimed in claim 3, further including quantizing said input signals.
Claim 7
Dependent Claim
17 words
A method as claimed in claim 3, wherein said input signals are red, green and blue signals.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-03 | 1992-07-04 | 1993-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-03 | 1996-07-04 | 1997-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-03 | 2000-07-04 | 2001-01-03 | $7700.00 | Window Closed / Lapsed |