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JPS5474363A - Knocking method for cathode-ray tube - Google Patents

Knocking method for cathode-ray tube

Info

Publication number
JPS5474363A
JPS5474363A JP14205877A JP14205877A JPS5474363A JP S5474363 A JPS5474363 A JP S5474363A JP 14205877 A JP14205877 A JP 14205877A JP 14205877 A JP14205877 A JP 14205877A JP S5474363 A JPS5474363 A JP S5474363A
Authority
JP
Japan
Prior art keywords
stem pin
power supply
metal cylinder
conductor metal
conductor
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
Application number
JP14205877A
Other languages
Japanese (ja)
Other versions
JPS6245660B2 (en
Inventor
Yuzuru Kobori
Takanobu Yonemura
Katsuhiko Hata
Yasuhiro Hosozawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP14205877A priority Critical patent/JPS5474363A/en
Publication of JPS5474363A publication Critical patent/JPS5474363A/en
Publication of JPS6245660B2 publication Critical patent/JPS6245660B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances
    • H01J9/445—Aging of tubes or lamps, e.g. by "spot knocking"

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

PURPOSE:To reduce discharge between electrodes by a normal operating voltage, and also to improve the reliability of a knocking process in the manufacture process for a cathode-ray tube. CONSTITUTION:Conductive metal cylinder 11 is set to neck part 1n of tube body 1 and connected electrically in common with stem pin 4 to a negative high-tension power supply such as power supply E of -30KV, and stem pin 4 and conductor metal cylinder 11 are made equal in potential and lower than high-tension feeder 5 with conductor 7 of high-tension feeder 5 grounded. Further, power supply E is provided with switch S, which switches with its ON time once to four times longer than its OFF time, and stem pin 4 and conductor metal cyclinder 11 are applied intermittently with a negative high voltage (-30KV). By applying the negative high voltage from power supply E to stem pin 4 and conductor metal cylinder 11, the high-tension feeder 5 side, i.e. the 3rd and 5th grids G3 and G5 are made high in potential, and the stem pin 4 and conductor metal cylinder 11 side, i.e. the 1st, 2nd and 4th grids G1, G2 and G4 are low so as to cause discharge between electrodes, thereby performing the knocking process.
JP14205877A 1977-11-25 1977-11-25 Knocking method for cathode-ray tube Granted JPS5474363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14205877A JPS5474363A (en) 1977-11-25 1977-11-25 Knocking method for cathode-ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14205877A JPS5474363A (en) 1977-11-25 1977-11-25 Knocking method for cathode-ray tube

Publications (2)

Publication Number Publication Date
JPS5474363A true JPS5474363A (en) 1979-06-14
JPS6245660B2 JPS6245660B2 (en) 1987-09-28

Family

ID=15306427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14205877A Granted JPS5474363A (en) 1977-11-25 1977-11-25 Knocking method for cathode-ray tube

Country Status (1)

Country Link
JP (1) JPS5474363A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100654U (en) * 1978-12-29 1980-07-12
JPS58212030A (en) * 1982-06-02 1983-12-09 Toshiba Corp High voltage aging of cathode ray tube
JPS63184231A (en) * 1987-01-24 1988-07-29 Sony Corp Knocking process for cathode-ray tube

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6446554A (en) * 1987-08-10 1989-02-21 Mitsubishi Electric Corp Controller for refrigerator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544652U (en) * 1977-06-10 1979-01-12

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144014A (en) * 1974-10-12 1976-04-15 Pentel Kk INJISOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544652U (en) * 1977-06-10 1979-01-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100654U (en) * 1978-12-29 1980-07-12
JPS58212030A (en) * 1982-06-02 1983-12-09 Toshiba Corp High voltage aging of cathode ray tube
JPS63184231A (en) * 1987-01-24 1988-07-29 Sony Corp Knocking process for cathode-ray tube

Also Published As

Publication number Publication date
JPS6245660B2 (en) 1987-09-28

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