FI781510A - Katodstraoleroer med minskade spaenningar i en med slitsformiga oeppningar foersedd haolskiva - Google Patents

Katodstraoleroer med minskade spaenningar i en med slitsformiga oeppningar foersedd haolskiva

Info

Publication number
FI781510A
FI781510A FI781510A FI781510A FI781510A FI 781510 A FI781510 A FI 781510A FI 781510 A FI781510 A FI 781510A FI 781510 A FI781510 A FI 781510A FI 781510 A FI781510 A FI 781510A
Authority
FI
Finland
Prior art keywords
med
spaenningar
slitsformiga
oeppningar
minskade
Prior art date
Application number
FI781510A
Other languages
English (en)
Finnish (fi)
Inventor
Tom Wendell Branton
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
Publication of FI781510A publication Critical patent/FI781510A/fi

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
FI781510A 1977-05-20 1978-05-12 Katodstraoleroer med minskade spaenningar i en med slitsformiga oeppningar foersedd haolskiva FI781510A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/799,078 US4131822A (en) 1977-05-20 1977-05-20 Cathode ray tube with stress-relieved slot-aperture shadow mask

Publications (1)

Publication Number Publication Date
FI781510A true FI781510A (fi) 1978-11-21

Family

ID=25174991

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781510A FI781510A (fi) 1977-05-20 1978-05-12 Katodstraoleroer med minskade spaenningar i en med slitsformiga oeppningar foersedd haolskiva

Country Status (15)

Country Link
US (1) US4131822A (ja)
JP (1) JPS53145469A (ja)
AT (1) AT372804B (ja)
AU (1) AU3582378A (ja)
BR (1) BR7803062A (ja)
CA (1) CA1111489A (ja)
DE (1) DE2822016C3 (ja)
ES (1) ES469770A1 (ja)
FI (1) FI781510A (ja)
FR (1) FR2391554A1 (ja)
GB (1) GB1597926A (ja)
IT (1) IT1096227B (ja)
MX (1) MX4198E (ja)
NL (1) NL7805462A (ja)
PL (1) PL117549B1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300069A (en) * 1979-12-18 1981-11-10 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
US5243253A (en) * 1991-07-30 1993-09-07 Thomson Consumer Electronics, Inc. Color picture tube having shadow mask with improved tie bar grading
DE69718986T2 (de) * 1996-11-11 2004-01-08 Kabushiki Kaisha Toshiba, Kawasaki Schattenmaske und Verfahren zu deren Herstellung
JP2002110063A (ja) * 2000-09-28 2002-04-12 Dainippon Printing Co Ltd シャドウマスク
US6674224B2 (en) * 2001-03-06 2004-01-06 Thomson Licensing S.A. Tension focus mask for a cathode-ray tube (CRT)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653900A (en) * 1969-08-15 1972-04-04 Zenith Radio Corp Selective etching process for changing shadow-mask aperture size
US3916243A (en) * 1974-09-20 1975-10-28 Buckbee Mears Co Channeled shadow mask
US4048536A (en) * 1976-03-18 1977-09-13 Buckbee-Mears Company Shadow mask with plurality of recessed regions extending across mask in two directions

Also Published As

Publication number Publication date
FR2391554B1 (ja) 1983-04-22
ES469770A1 (es) 1979-01-01
NL7805462A (nl) 1978-11-22
AT372804B (de) 1983-11-25
PL117549B1 (en) 1981-08-31
GB1597926A (en) 1981-09-16
JPS5747539B2 (ja) 1982-10-09
MX4198E (es) 1982-01-26
BR7803062A (pt) 1979-01-02
ATA367178A (de) 1983-03-15
JPS53145469A (en) 1978-12-18
PL206969A1 (pl) 1979-02-12
AU3582378A (en) 1979-11-08
IT1096227B (it) 1985-08-26
DE2822016A1 (de) 1978-11-23
DE2822016C3 (de) 1980-07-24
FR2391554A1 (fr) 1978-12-15
US4131822A (en) 1978-12-26
CA1111489A (en) 1981-10-27
IT7823526A0 (it) 1978-05-17
DE2822016B2 (de) 1979-11-08

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RCA CORPORATION