JPS55112087A - Demagnetizer for color television video tube - Google Patents
Demagnetizer for color television video tubeInfo
- Publication number
- JPS55112087A JPS55112087A JP1771880A JP1771880A JPS55112087A JP S55112087 A JPS55112087 A JP S55112087A JP 1771880 A JP1771880 A JP 1771880A JP 1771880 A JP1771880 A JP 1771880A JP S55112087 A JPS55112087 A JP S55112087A
- Authority
- JP
- Japan
- Prior art keywords
- demagnetizer
- color television
- television video
- video tube
- tube
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
-
- 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
- H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1281079A | 1979-02-16 | 1979-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55112087A true JPS55112087A (en) | 1980-08-29 |
Family
ID=21756797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1771880A Pending JPS55112087A (en) | 1979-02-16 | 1980-02-14 | Demagnetizer for color television video tube |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS55112087A (en) |
KR (1) | KR900006295B1 (en) |
AT (1) | AT381201B (en) |
AU (1) | AU535877B2 (en) |
BE (1) | BE881758A (en) |
CA (1) | CA1135321A (en) |
DE (1) | DE3005763C2 (en) |
DK (1) | DK148868C (en) |
ES (1) | ES8100551A1 (en) |
FI (1) | FI70357C (en) |
FR (1) | FR2449382B1 (en) |
GB (1) | GB2046559B (en) |
HK (1) | HK27284A (en) |
IT (1) | IT1140569B (en) |
MY (1) | MY8500294A (en) |
NZ (1) | NZ192884A (en) |
PL (1) | PL126142B1 (en) |
SE (1) | SE441886B (en) |
SU (1) | SU936835A3 (en) |
ZA (1) | ZA80875B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN167955B (en) * | 1986-03-27 | 1991-01-12 | Nokia Data Systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2921226A (en) * | 1956-05-24 | 1960-01-12 | Philco Corp | Apparatus for color purity correction in color television receivers |
US2962621A (en) * | 1958-10-10 | 1960-11-29 | Westinghouse Electric Corp | Color television apparatus |
US3322998A (en) * | 1964-08-31 | 1967-05-30 | Rca Corp | Color purity correcting apparatus for colored television picture tubes |
US3614519A (en) * | 1967-12-18 | 1971-10-19 | Zenith Radio Corp | Cathode-ray tube magnetic shield |
CA977406A (en) * | 1972-04-14 | 1975-11-04 | Yoshiichi Matsushima | Degaussing device for colour cathode ray tubes |
NL167289C (en) * | 1973-09-13 | 1981-11-16 | Philips Nv | COLOR TELEVISION DEVICE EQUIPPED WITH A COLOR TELEVISION IMAGE TUBE AND DEMAGNETIZING DEVICE. |
NL165020C (en) * | 1974-12-16 | 1981-02-16 | Philips Nv | COLOR TV RECEIVER CONTAINING A DEMAGNETIZER CIRCUIT AND COMPOSITE THERMISTOR ELEMENT FOR USE IN SUCH A CIRCUIT. |
JP3016048B2 (en) * | 1991-12-04 | 2000-03-06 | 東洋自動機株式会社 | Temperature control method for impulse sealing device |
-
1980
- 1980-02-08 AU AU55357/80A patent/AU535877B2/en not_active Ceased
- 1980-02-08 SE SE8001035A patent/SE441886B/en not_active IP Right Cessation
- 1980-02-08 FI FI800394A patent/FI70357C/en not_active IP Right Cessation
- 1980-02-12 IT IT19868/80A patent/IT1140569B/en active
- 1980-02-12 GB GB8004693A patent/GB2046559B/en not_active Expired
- 1980-02-14 JP JP1771880A patent/JPS55112087A/en active Pending
- 1980-02-15 DE DE3005763A patent/DE3005763C2/en not_active Expired
- 1980-02-15 ES ES488650A patent/ES8100551A1/en not_active Expired
- 1980-02-15 CA CA000345759A patent/CA1135321A/en not_active Expired
- 1980-02-15 NZ NZ192884A patent/NZ192884A/en unknown
- 1980-02-15 PL PL1980222054A patent/PL126142B1/en unknown
- 1980-02-15 BE BE0/199427A patent/BE881758A/en not_active IP Right Cessation
- 1980-02-15 DK DK67780A patent/DK148868C/en not_active IP Right Cessation
- 1980-02-15 SU SU802885001A patent/SU936835A3/en active
- 1980-02-15 FR FR8003444A patent/FR2449382B1/en not_active Expired
- 1980-02-15 KR KR1019800000615A patent/KR900006295B1/en active
- 1980-02-18 AT AT0088580A patent/AT381201B/en not_active IP Right Cessation
- 1980-09-17 ZA ZA00800875A patent/ZA80875B/en unknown
-
1984
- 1984-03-22 HK HK272/84A patent/HK27284A/en not_active IP Right Cessation
-
1985
- 1985-12-30 MY MY294/85A patent/MY8500294A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES488650A0 (en) | 1980-11-01 |
IT1140569B (en) | 1986-10-01 |
FR2449382A1 (en) | 1980-09-12 |
DE3005763A1 (en) | 1980-08-28 |
ATA88580A (en) | 1986-01-15 |
DE3005763C2 (en) | 1984-11-15 |
AT381201B (en) | 1986-09-10 |
GB2046559B (en) | 1983-04-20 |
FI70357C (en) | 1986-09-15 |
GB2046559A (en) | 1980-11-12 |
AU5535780A (en) | 1980-08-21 |
SE8001035L (en) | 1980-08-17 |
ZA80875B (en) | 1981-08-26 |
DK67780A (en) | 1980-08-17 |
SU936835A3 (en) | 1982-06-15 |
NZ192884A (en) | 1983-11-18 |
DK148868C (en) | 1986-04-21 |
MY8500294A (en) | 1985-12-31 |
SE441886B (en) | 1985-11-11 |
IT8019868A0 (en) | 1980-02-12 |
PL126142B1 (en) | 1983-07-30 |
CA1135321A (en) | 1982-11-09 |
HK27284A (en) | 1984-03-30 |
KR900006295B1 (en) | 1990-08-27 |
FI800394A (en) | 1980-08-17 |
ES8100551A1 (en) | 1980-11-01 |
AU535877B2 (en) | 1984-04-12 |
FR2449382B1 (en) | 1985-11-22 |
BE881758A (en) | 1980-05-30 |
FI70357B (en) | 1986-02-28 |
PL222054A1 (en) | 1980-11-03 |
DK148868B (en) | 1985-10-28 |
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