JPS62186558U - - Google Patents
Info
- Publication number
- JPS62186558U JPS62186558U JP1986072534U JP7253486U JPS62186558U JP S62186558 U JPS62186558 U JP S62186558U JP 1986072534 U JP1986072534 U JP 1986072534U JP 7253486 U JP7253486 U JP 7253486U JP S62186558 U JPS62186558 U JP S62186558U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- adjustment circuit
- blue
- green
- red
- 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.)
- Granted
Links
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/28—Arrangements for convergence or focusing
-
- 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]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/18—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals
- H04N9/20—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals with more than one beam in a tube
-
- 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]
- H04N9/3141—Constructional details thereof
- H04N9/317—Convergence or focusing systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
- Transforming Electric Information Into Light Information (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986072534U JPH0516765Y2 (US07534539-20090519-C00280.png) | 1986-05-14 | 1986-05-14 | |
| US07/048,620 US4746973A (en) | 1986-05-14 | 1987-05-11 | Focus block for a three-tube color video projector |
| CA000537059A CA1280832C (en) | 1986-05-14 | 1987-05-13 | Focus block for a three-tube color video projector |
| KR2019870007254U KR930004820Y1 (ko) | 1986-05-14 | 1987-05-13 | 포커스 블럭 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986072534U JPH0516765Y2 (US07534539-20090519-C00280.png) | 1986-05-14 | 1986-05-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62186558U true JPS62186558U (US07534539-20090519-C00280.png) | 1987-11-27 |
| JPH0516765Y2 JPH0516765Y2 (US07534539-20090519-C00280.png) | 1993-05-06 |
Family
ID=13492109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986072534U Expired - Lifetime JPH0516765Y2 (US07534539-20090519-C00280.png) | 1986-05-14 | 1986-05-14 |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68915994T2 (de) * | 1989-01-19 | 1994-10-13 | Matsushita Electric Ind Co Ltd | Umschaltkreis zur Fokussierungsregelung für Projektionsfernsehempfänger. |
| US6377317B1 (en) * | 1999-04-08 | 2002-04-23 | Sony Corporation | Method and apparatus for correcting color component focusing in a rear-projection television set |
| RU2394270C1 (ru) | 2006-07-11 | 2010-07-10 | Хэллибертон Энерджи Сервисиз, Инк. | Модульный приборный узел для геоуправления |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185491A (ja) * | 1986-02-10 | 1987-08-13 | Matsushita Electric Ind Co Ltd | フオ−カス回路 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034417A (US07534539-20090519-C00280.png) * | 1973-07-31 | 1975-04-02 | ||
| JPS53115137A (en) * | 1977-03-17 | 1978-10-07 | Sanyo Electric Co Ltd | Projection-type color television device |
| US4631576A (en) * | 1984-11-13 | 1986-12-23 | Hazeltine Corporation | Nonuniformity correction system for color CRT display |
| US4599651A (en) * | 1984-11-28 | 1986-07-08 | Rca Corporation | Pulse amplifier in a brightness control system |
| US4599641A (en) * | 1984-11-28 | 1986-07-08 | Rca Corporation | Brightness control apparatus for a video signal processing system |
-
1986
- 1986-05-14 JP JP1986072534U patent/JPH0516765Y2/ja not_active Expired - Lifetime
-
1987
- 1987-05-11 US US07/048,620 patent/US4746973A/en not_active Expired - Lifetime
- 1987-05-13 CA CA000537059A patent/CA1280832C/en not_active Expired - Lifetime
- 1987-05-13 KR KR2019870007254U patent/KR930004820Y1/ko not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185491A (ja) * | 1986-02-10 | 1987-08-13 | Matsushita Electric Ind Co Ltd | フオ−カス回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1280832C (en) | 1991-02-26 |
| KR930004820Y1 (ko) | 1993-07-23 |
| KR870019230U (ko) | 1987-12-28 |
| JPH0516765Y2 (US07534539-20090519-C00280.png) | 1993-05-06 |
| US4746973A (en) | 1988-05-24 |
