WO1992009172A3 - Video systems - Google Patents
Video systems Download PDFInfo
- Publication number
- WO1992009172A3 WO1992009172A3 PCT/GB1991/002035 GB9102035W WO9209172A3 WO 1992009172 A3 WO1992009172 A3 WO 1992009172A3 GB 9102035 W GB9102035 W GB 9102035W WO 9209172 A3 WO9209172 A3 WO 9209172A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mode
- dmd
- commencement
- updated
- data
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3036—Time code signal
- G11B27/3054—Vertical Interval Time code [VITC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7458—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of deformable mirrors, e.g. digital micromirror device [DMD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
- H04N9/312—Driving therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
Abstract
A video signal has a data location which indicates whether the signal is originally derived from an optical image by a camera source or a telecine. This data is used (140, 136) in a projection display which received an interlaced video signal and which comprises a spatial light modulator (110) in the form of a deformable mirror device (DMD) so as to selectively vary both the interpolation mode and the updating mode used in the DMD. In one interpolation mode, a complete frame of image data is interpolated from one of the interlaced input video fields, so as to reduce motion artefacts (Fig. 12). In one updating mode, (mode B) odd lines are updated at the commencement of one field and even lines are updated at the commencement of the next, and so on (Fig. 9).
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909024957A GB9024957D0 (en) | 1990-11-16 | 1990-11-16 | Image display devices |
GB9024957.4 | 1990-11-16 | ||
GB9024980.6 | 1990-11-16 | ||
GB909024980A GB9024980D0 (en) | 1990-11-16 | 1990-11-16 | Video systems |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1992009172A2 WO1992009172A2 (en) | 1992-05-29 |
WO1992009172A3 true WO1992009172A3 (en) | 1992-08-20 |
Family
ID=26297961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1991/002035 WO1992009172A2 (en) | 1990-11-16 | 1991-11-18 | Video systems |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU8905591A (en) |
WO (1) | WO1992009172A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06153069A (en) * | 1992-10-30 | 1994-05-31 | Sony Corp | Converter, duplicating device, reproduction device and display device of image |
GB2265275B (en) * | 1992-03-18 | 1996-01-03 | Sony Broadcast & Communication | Digital video signal processing |
JP3128937B2 (en) * | 1992-04-10 | 2001-01-29 | ソニー株式会社 | Special effects device |
GB9303369D0 (en) * | 1993-02-19 | 1993-04-07 | Philips Electronics Uk Ltd | Identifying film frames in a video sequence |
DE69427054T2 (en) * | 1993-07-01 | 2001-08-02 | Matsushita Electric Ind Co Ltd | Recording and playback device for video signals with identification |
US5489952A (en) * | 1993-07-14 | 1996-02-06 | Texas Instruments Incorporated | Method and device for multi-format television |
US5452024A (en) * | 1993-11-01 | 1995-09-19 | Texas Instruments Incorporated | DMD display system |
US5499060A (en) * | 1994-01-04 | 1996-03-12 | Texas Instruments Incorporated | System and method for processing video data |
EP0710016A3 (en) * | 1994-10-31 | 1997-06-11 | Texas Instruments Inc | Television receiver for broadcast systems with a multiple of display formats |
US5796442A (en) * | 1994-11-02 | 1998-08-18 | Texas Instruments Incorporated | Multi-format television reciever |
GB9703107D0 (en) * | 1997-02-14 | 1997-04-02 | Digital Projection Ltd | Display device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4237484A (en) * | 1979-08-08 | 1980-12-02 | Bell Telephone Laboratories, Incorporated | Technique for transmitting digital data together with a video signal |
EP0162612A2 (en) * | 1984-04-27 | 1985-11-27 | Mitsubishi Denki Kabushiki Kaisha | Receiver for a character broadcasting system |
US4680579A (en) * | 1983-09-08 | 1987-07-14 | Texas Instruments Incorporated | Optical system for projection display using spatial light modulator device |
US4730217A (en) * | 1983-10-24 | 1988-03-08 | Independent Broadcasting Authority | Movement detector for use in television signal processing |
EP0385705A2 (en) * | 1989-02-27 | 1990-09-05 | Texas Instruments Incorporated | Apparatus and method for digitized 3D video system |
US4969041A (en) * | 1988-09-23 | 1990-11-06 | Dubner Computer Systems, Inc. | Embedment of data in a video signal |
EP0402992A1 (en) * | 1989-06-13 | 1990-12-19 | Koninklijke Philips Electronics N.V. | Transmission system for transmitting a video signal with an identification signal, transmitter for generating the video signal, and picture display device for receiving and displaying the video signal |
-
1991
- 1991-11-18 WO PCT/GB1991/002035 patent/WO1992009172A2/en active Search and Examination
- 1991-11-18 AU AU89055/91A patent/AU8905591A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4237484A (en) * | 1979-08-08 | 1980-12-02 | Bell Telephone Laboratories, Incorporated | Technique for transmitting digital data together with a video signal |
US4680579A (en) * | 1983-09-08 | 1987-07-14 | Texas Instruments Incorporated | Optical system for projection display using spatial light modulator device |
US4730217A (en) * | 1983-10-24 | 1988-03-08 | Independent Broadcasting Authority | Movement detector for use in television signal processing |
EP0162612A2 (en) * | 1984-04-27 | 1985-11-27 | Mitsubishi Denki Kabushiki Kaisha | Receiver for a character broadcasting system |
US4969041A (en) * | 1988-09-23 | 1990-11-06 | Dubner Computer Systems, Inc. | Embedment of data in a video signal |
EP0385705A2 (en) * | 1989-02-27 | 1990-09-05 | Texas Instruments Incorporated | Apparatus and method for digitized 3D video system |
EP0402992A1 (en) * | 1989-06-13 | 1990-12-19 | Koninklijke Philips Electronics N.V. | Transmission system for transmitting a video signal with an identification signal, transmitter for generating the video signal, and picture display device for receiving and displaying the video signal |
Also Published As
Publication number | Publication date |
---|---|
AU8905591A (en) | 1992-06-11 |
WO1992009172A2 (en) | 1992-05-29 |
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