CA2024745C - Beamformer for matrix display - Google Patents
Beamformer for matrix display Download PDFInfo
- Publication number
- CA2024745C CA2024745C CA002024745A CA2024745A CA2024745C CA 2024745 C CA2024745 C CA 2024745C CA 002024745 A CA002024745 A CA 002024745A CA 2024745 A CA2024745 A CA 2024745A CA 2024745 C CA2024745 C CA 2024745C
- Authority
- CA
- Canada
- Prior art keywords
- pixel
- output
- display
- sub
- image memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/24—Generation of individual character patterns
- G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/399—Control of the bit-mapped memory using two or more bit-mapped memories, the operations of which are switched in time, e.g. ping-pong buffers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Image Generation (AREA)
- Controls And Circuits For Display Device (AREA)
- Digital Computer Display Output (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43210589A | 1989-11-06 | 1989-11-06 | |
US07/432,105 | 1989-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2024745A1 CA2024745A1 (en) | 1991-05-07 |
CA2024745C true CA2024745C (en) | 2002-08-06 |
Family
ID=23714799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002024745A Expired - Lifetime CA2024745C (en) | 1989-11-06 | 1990-09-06 | Beamformer for matrix display |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0427147B1 (fi) |
JP (1) | JP3089356B2 (fi) |
KR (1) | KR910010374A (fi) |
CA (1) | CA2024745C (fi) |
DE (1) | DE69016354T2 (fi) |
DK (1) | DK0427147T3 (fi) |
FI (1) | FI99215C (fi) |
NO (1) | NO303199B1 (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678462B1 (fr) * | 1991-06-25 | 1993-12-24 | Sextant Avionique | Dispositif temps reel de presentation d'images de type television sur un ecran de visualisation. |
US5264838A (en) * | 1991-08-29 | 1993-11-23 | Honeywell Inc. | Apparatus for generating an anti-aliased display image halo |
FR2793588B1 (fr) * | 1999-05-11 | 2002-03-15 | Sextant Avionique | Systeme de traitement de donnees pour affichage sur un ecran matriciel |
FR3119262B1 (fr) * | 2021-01-25 | 2023-06-30 | Thales Sa | Système et procédé de traitement de données d'affichage de tracés en mode cavalier fournies par un boîtier générateur de symboles. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843380A (en) * | 1987-07-13 | 1989-06-27 | Megatek Corporation | Anti-aliasing raster scan display system |
US4939671A (en) * | 1987-09-08 | 1990-07-03 | Auto-Trol Technology Corporation | Method and system for line drawing with next matrix feature |
-
1990
- 1990-09-06 CA CA002024745A patent/CA2024745C/en not_active Expired - Lifetime
- 1990-10-03 NO NO904299A patent/NO303199B1/no not_active IP Right Cessation
- 1990-11-02 DK DK90121060.9T patent/DK0427147T3/da active
- 1990-11-02 DE DE69016354T patent/DE69016354T2/de not_active Expired - Fee Related
- 1990-11-02 EP EP90121060A patent/EP0427147B1/en not_active Expired - Lifetime
- 1990-11-05 FI FI905463A patent/FI99215C/fi not_active IP Right Cessation
- 1990-11-06 JP JP02299104A patent/JP3089356B2/ja not_active Expired - Fee Related
- 1990-11-06 KR KR1019900017873A patent/KR910010374A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0427147A2 (en) | 1991-05-15 |
DE69016354D1 (de) | 1995-03-09 |
EP0427147A3 (en) | 1992-03-25 |
KR910010374A (ko) | 1991-06-29 |
JP3089356B2 (ja) | 2000-09-18 |
FI99215C (fi) | 1997-10-27 |
FI905463A0 (fi) | 1990-11-05 |
DE69016354T2 (de) | 1995-06-22 |
NO904299D0 (no) | 1990-10-03 |
NO904299L (no) | 1991-05-07 |
DK0427147T3 (da) | 1995-06-26 |
FI99215B (fi) | 1997-07-15 |
JPH03220597A (ja) | 1991-09-27 |
EP0427147B1 (en) | 1995-01-25 |
NO303199B1 (no) | 1998-06-08 |
CA2024745A1 (en) | 1991-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed | ||
MKEC | Expiry (correction) |
Effective date: 20121202 |