CA1138517A - Color picture tube having improved slit type shadow mask and method of making same - Google Patents

Color picture tube having improved slit type shadow mask and method of making same

Info

Publication number
CA1138517A
CA1138517A CA000366361A CA366361A CA1138517A CA 1138517 A CA1138517 A CA 1138517A CA 000366361 A CA000366361 A CA 000366361A CA 366361 A CA366361 A CA 366361A CA 1138517 A CA1138517 A CA 1138517A
Authority
CA
Canada
Prior art keywords
mask
webs
apertures
color picture
picture 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.)
Expired
Application number
CA000366361A
Other languages
English (en)
French (fr)
Inventor
Richard A. Nolan
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1138517A publication Critical patent/CA1138517A/en
Expired legal-status Critical Current

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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
CA000366361A 1979-12-18 1980-12-09 Color picture tube having improved slit type shadow mask and method of making same Expired CA1138517A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/104,823 US4300069A (en) 1979-12-18 1979-12-18 Color picture tube having improved slit type shadow mask and method of making same
US104,823 1979-12-18

Publications (1)

Publication Number Publication Date
CA1138517A true CA1138517A (en) 1982-12-28

Family

ID=22302578

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000366361A Expired CA1138517A (en) 1979-12-18 1980-12-09 Color picture tube having improved slit type shadow mask and method of making same

Country Status (12)

Country Link
US (1) US4300069A (US06252093-20010626-C00008.png)
JP (1) JPS589538B2 (US06252093-20010626-C00008.png)
BR (1) BR8008054A (US06252093-20010626-C00008.png)
CA (1) CA1138517A (US06252093-20010626-C00008.png)
DD (1) DD155465A5 (US06252093-20010626-C00008.png)
DE (1) DE3047846A1 (US06252093-20010626-C00008.png)
FI (1) FI803856L (US06252093-20010626-C00008.png)
FR (1) FR2472262B1 (US06252093-20010626-C00008.png)
GB (1) GB2069229B (US06252093-20010626-C00008.png)
IT (1) IT1150063B (US06252093-20010626-C00008.png)
PL (1) PL135357B1 (US06252093-20010626-C00008.png)
SU (1) SU1176859A3 (US06252093-20010626-C00008.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163955A (en) * 1981-02-25 1982-10-08 Toshiba Corp Mask focusing type color picture tube
JPS58128636A (ja) * 1982-01-27 1983-08-01 Toshiba Corp カラ−受像管
JPS60122037U (ja) * 1984-01-26 1985-08-17 カヤバ工業株式会社 油圧緩衝器
JPS60182540U (ja) * 1984-05-14 1985-12-04 カヤバ工業株式会社 油圧緩衝器
SU1461377A3 (ru) * 1984-05-25 1989-02-23 Рка Корпорейшн (Фирма) Цветной кинескоп
JPH0434262Y2 (US06252093-20010626-C00008.png) * 1987-10-01 1992-08-14
US5382870A (en) * 1992-09-21 1995-01-17 Bmc Industries, Inc. Stackable aperture masks
US6072270A (en) * 1998-06-22 2000-06-06 Chunghwa Picture Tubes, Inc. Shadow mask for color CRT
KR100388903B1 (ko) 1999-12-10 2003-06-25 삼성에스디아이 주식회사 평면형 음극선관용 섀도우마스크 프레임 조립체
KR100683647B1 (ko) 2000-04-21 2007-02-15 삼성에스디아이 주식회사 칼라 음극선관의 텐션 마스크 프레임 조립체
AU2002359547A1 (en) * 2001-11-30 2003-06-17 Bmc Industries, Inc. Tie bars only on the grade side of aperture masks
US20030143469A1 (en) * 2001-11-30 2003-07-31 Sage Thomas R. Grade tie bar only (GTO) and graded grade tie bar only (GGTO) aperture masks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513733Y2 (US06252093-20010626-C00008.png) * 1972-01-19 1976-02-03
JPS519264B2 (US06252093-20010626-C00008.png) * 1972-05-30 1976-03-25
US3973965A (en) * 1972-05-30 1976-08-10 Tokyo Shibaura Electric Co., Ltd. Making shadow mask with slit-shaped apertures for CRT
US3923566A (en) * 1972-06-21 1975-12-02 Rca Corp Method of fabricating an apertured mask for a cathode-ray tube
US3944867A (en) * 1974-03-15 1976-03-16 Zenith Radio Corporation Shadow mask having ribs bounding rectangular apertures
US3916243A (en) * 1974-09-20 1975-10-28 Buckbee Mears Co Channeled shadow mask
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube
JPS5376741A (en) * 1976-12-20 1978-07-07 Toshiba Corp Shadow mask its fabrication
JPS5390755A (en) * 1977-01-21 1978-08-09 Toshiba Corp Shadow mask
US4131822A (en) * 1977-05-20 1978-12-26 Rca Corporation Cathode ray tube with stress-relieved slot-aperture shadow mask

Also Published As

Publication number Publication date
FR2472262A1 (fr) 1981-06-26
BR8008054A (pt) 1981-06-23
DE3047846C2 (US06252093-20010626-C00008.png) 1987-01-22
IT8026095A0 (it) 1980-11-19
IT1150063B (it) 1986-12-10
PL228528A1 (US06252093-20010626-C00008.png) 1981-08-21
DD155465A5 (de) 1982-06-09
GB2069229A (en) 1981-08-19
JPS5697946A (en) 1981-08-07
US4300069A (en) 1981-11-10
SU1176859A3 (ru) 1985-08-30
JPS589538B2 (ja) 1983-02-21
FR2472262B1 (fr) 1985-11-29
GB2069229B (en) 1984-03-21
FI803856L (fi) 1981-06-19
DE3047846A1 (de) 1981-09-17
PL135357B1 (en) 1985-10-31

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Legal Events

Date Code Title Description
MKEX Expiry