JPH0156594B2 - - Google Patents
Info
- Publication number
- JPH0156594B2 JPH0156594B2 JP16949480A JP16949480A JPH0156594B2 JP H0156594 B2 JPH0156594 B2 JP H0156594B2 JP 16949480 A JP16949480 A JP 16949480A JP 16949480 A JP16949480 A JP 16949480A JP H0156594 B2 JPH0156594 B2 JP H0156594B2
- Authority
- JP
- Japan
- Prior art keywords
- convergence
- magnification
- picture tube
- detection
- lens
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 38
- 230000005415 magnetization Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 239000003086 colorant Substances 0.000 description 4
- 230000005347 demagnetization Effects 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
- H01J2229/0046—Preventing or cancelling fields within the enclosure
- H01J2229/0053—Demagnetisation
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16949480A JPS5793779A (en) | 1980-12-03 | 1980-12-03 | Convergence measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16949480A JPS5793779A (en) | 1980-12-03 | 1980-12-03 | Convergence measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5793779A JPS5793779A (en) | 1982-06-10 |
| JPH0156594B2 true JPH0156594B2 (ko) | 1989-11-30 |
Family
ID=15887559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16949480A Granted JPS5793779A (en) | 1980-12-03 | 1980-12-03 | Convergence measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5793779A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62279797A (ja) * | 1986-05-29 | 1987-12-04 | Hitachi Ltd | ミスコンバ−ゼンス量測定装置 |
| JP2707668B2 (ja) * | 1988-12-27 | 1998-02-04 | ミノルタ株式会社 | カラーｃｒｔのコンバーゼンス測定装置 |
-
1980
- 1980-12-03 JP JP16949480A patent/JPS5793779A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5793779A (en) | 1982-06-10 |
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