SE371069B - - Google Patents
Info
- Publication number
- SE371069B SE371069B SE7104810A SE481071A SE371069B SE 371069 B SE371069 B SE 371069B SE 7104810 A SE7104810 A SE 7104810A SE 481071 A SE481071 A SE 481071A SE 371069 B SE371069 B SE 371069B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/26—Modifications of scanning arrangements to improve focusing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Automatic Focus Adjustment (AREA)
- Color Television Image Signal Generators (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2864770A | 1970-04-15 | 1970-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE371069B true SE371069B (fr) | 1974-11-04 |
Family
ID=21844634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7104810A SE371069B (fr) | 1970-04-15 | 1971-04-14 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3647952A (fr) |
| JP (1) | JPS5121528B1 (fr) |
| BE (1) | BE765688A (fr) |
| CA (1) | CA941514A (fr) |
| DE (1) | DE2118302C3 (fr) |
| FR (1) | FR2086073B1 (fr) |
| GB (1) | GB1307350A (fr) |
| NL (1) | NL7104969A (fr) |
| SE (1) | SE371069B (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816848A (en) * | 1972-03-29 | 1974-06-11 | Magnavox Co | Automatic focus control for image pickup devices |
| US3875585A (en) * | 1972-06-01 | 1975-04-01 | Magnavox Co | Cathode ray tube focussing system |
| US4387394A (en) * | 1980-12-31 | 1983-06-07 | Rca Corporation | Sensing focus of a color kinescope |
| JPS57193185A (en) * | 1981-05-25 | 1982-11-27 | Toshiba Corp | Automatic focus controlling circuit for electron beam of image pickup tube |
| US4459614A (en) * | 1981-12-24 | 1984-07-10 | Ampex Corporation | Rotation-free electrical focussing circuit for television image tubes |
| DE3514219A1 (de) * | 1985-04-19 | 1986-10-23 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung in einem videorecorder zum verbessern der bildschaerfe |
| JPH05299048A (ja) * | 1992-04-24 | 1993-11-12 | Hitachi Ltd | 電子線装置および走査電子顕微鏡 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472165A (en) * | 1947-04-29 | 1949-06-07 | Philco Corp | Automatic focus control for cathode-ray tubes |
| US2939042A (en) * | 1958-01-16 | 1960-05-31 | Thompson Ramo Wooldridge Inc | Automatic focusing circuit |
| GB1171461A (en) * | 1965-09-23 | 1969-11-19 | Ass Elect Ind | Improvements relating to the Focussing of Microscopes |
| JPS459617Y1 (fr) * | 1968-12-17 | 1970-05-06 |
-
1970
- 1970-04-15 US US28647A patent/US3647952A/en not_active Expired - Lifetime
-
1971
- 1971-03-26 CA CA108,878A patent/CA941514A/en not_active Expired
- 1971-04-06 FR FR7112114A patent/FR2086073B1/fr not_active Expired
- 1971-04-13 BE BE765688A patent/BE765688A/fr unknown
- 1971-04-14 NL NL7104969A patent/NL7104969A/xx unknown
- 1971-04-14 JP JP46023785A patent/JPS5121528B1/ja active Pending
- 1971-04-14 SE SE7104810A patent/SE371069B/xx unknown
- 1971-04-15 DE DE2118302A patent/DE2118302C3/de not_active Expired
- 1971-04-19 GB GB2641171*A patent/GB1307350A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2118302A1 (de) | 1971-10-28 |
| BE765688A (fr) | 1971-08-30 |
| GB1307350A (en) | 1973-02-21 |
| NL7104969A (fr) | 1971-10-19 |
| US3647952A (en) | 1972-03-07 |
| JPS5121528B1 (fr) | 1976-07-03 |
| CA941514A (en) | 1974-02-05 |
| DE2118302B2 (de) | 1973-04-19 |
| FR2086073A1 (fr) | 1971-12-31 |
| DE2118302C3 (de) | 1973-11-08 |
| FR2086073B1 (fr) | 1975-07-04 |