US4962433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Video printer having converting means for converting a video signal into digital picture data
Assignee: Seiko Precision Inc
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Filing: 1988-06-06
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Granted: 1990-10-09
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Expires: 2008-06-06
Abstract
Abstract A video printer utilizing a plurality of converting tables corresponding to a plurality of gradation characteristics, each for converting picture data into recording data on the basis of its gradation characteristic, selects one of the converting tables, and performs recording on the basis of the converting table selected, thereby producing recorded pictures meeting any requirement.
Inventors
- 👤 Akira Matsushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:50
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/40; H04N1/407
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
131 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for variably setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data, within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; and recording means for converting said digital picture data into recording data having different areas with different brightnesses depending upon the selected converting table and for recording a video image according to said recording data.
Claim 2
Dependent Claim
131 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for variably setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data, within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; and recording means for converting said digital picture data into recording data having different areas with different brightnesses depending upon the selected converting table and for recording a video image according to said recording data.
Claim 3
Dependent Claim
55 words
A video printer having converting means for converting a video signal into digital picture data according to claim 1; wherein said reference voltage setting means includes switch means for switching said reference voltage setting means between an automatic mode which generates predetermined reference voltages, and a manual mode which permits manual setting of reference voltages.
Claim 4
Dependent Claim
155 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for variably setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; recording means for converting said digital picture data into recording data having different areas with different brightness depending upon the selected converting table and for recording a video image according to said recording data; and display means for displaying the lower limit and the upper limit of the reference voltage together with the voltage range of the video signal.
Claim 5
Dependent Claim
155 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for variably setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; recording means for converting said digital picture data into recording data having different areas with different brightness depending upon the selected converting table and for recording a video image according to said recording data; and display means for displaying the lower limit and the upper limit of the reference voltage together with the voltage range of the video signal.
Claim 6
Dependent Claim
163 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; recording means for converting said digital picture data into recording data having different areas with different brightnesses depending upon the converting table and for recording a video image according to said recording data; and display means for displaying the lower limit and the upper limit of the reference voltage and the voltage range of the video signal together with the gradation characteristic line of the selected converting table.
Claim 7
Dependent Claim
163 words
A video printer having converting means for converting a video signal into digital picture data comprising: reference voltage setting means for setting a lower limit and an upper limit of a reference voltage used for converting a video signal into digital picture data; converting means for converting the video signal into the digital picture data within a range between the lower limit and the upper limit of the reference voltage; memory means for storing a plurality of converting tables, each corresponding to a different gradation characteristic; selecting means for selecting one of said converting tables; recording means for converting said digital picture data into recording data having different areas with different brightnesses depending upon the converting table and for recording a video image according to said recording data; and display means for displaying the lower limit and the upper limit of the reference voltage and the voltage range of the video signal together with the gradation characteristic line of the selected converting table.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-10-08 | 1994-04-09 | 1994-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-08 | 1998-04-09 | 1998-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-08 | 2002-04-09 | 2002-10-09 | $7700.00 | Window Closed / Lapsed |