CA1088987A - Cathode ray tube having improved shadow mask - Google Patents

Cathode ray tube having improved shadow mask

Info

Publication number
CA1088987A
CA1088987A CA287,182A CA287182A CA1088987A CA 1088987 A CA1088987 A CA 1088987A CA 287182 A CA287182 A CA 287182A CA 1088987 A CA1088987 A CA 1088987A
Authority
CA
Canada
Prior art keywords
mask
faceplate
tube
ray tube
points
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
CA287,182A
Other languages
English (en)
French (fr)
Inventor
Albert M. Morrell
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
Priority claimed from US05/729,349 external-priority patent/US4072876A/en
Priority claimed from US05/729,592 external-priority patent/US4136300A/en
Application filed by RCA Corp filed Critical RCA Corp
Priority to CA314,837A priority Critical patent/CA1088988A/en
Application granted granted Critical
Publication of CA1088987A publication Critical patent/CA1088987A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0788—Parameterised dimensions of aperture plate, e.g. relationships, polynomial expressions

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Physical Vapour Deposition (AREA)
CA287,182A 1976-10-04 1977-09-21 Cathode ray tube having improved shadow mask Expired CA1088987A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA314,837A CA1088988A (en) 1976-10-04 1978-10-30 Cathode ray tube having improved shadow mask

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US729,349 1976-10-04
US05/729,349 US4072876A (en) 1976-10-04 1976-10-04 Corrugated shadow mask assembly for a cathode ray tube
US05/729,592 US4136300A (en) 1975-03-19 1976-10-04 Cathode ray tube having improved shadow mask
US729,592 1976-10-04

Publications (1)

Publication Number Publication Date
CA1088987A true CA1088987A (en) 1980-11-04

Family

ID=27111857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287,182A Expired CA1088987A (en) 1976-10-04 1977-09-21 Cathode ray tube having improved shadow mask

Country Status (14)

Country Link
JP (2) JPS5352054A (de)
AT (2) AT355100B (de)
AU (2) AU502932B2 (de)
BR (1) BR7706587A (de)
CA (1) CA1088987A (de)
DE (2) DE2743627A1 (de)
ES (2) ES462663A1 (de)
FR (2) FR2366687A1 (de)
GB (2) GB1584179A (de)
IT (2) IT1087552B (de)
MX (2) MX3555E (de)
NL (2) NL7710857A (de)
PL (1) PL107134B1 (de)
SU (1) SU1199207A3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1546889A (en) * 1975-03-19 1979-05-31 Rca Corp Cathode ray tube having shadow mask
FI71211C (fi) * 1977-06-22 1986-11-24 Hitachi Ltd Haollanordning foer en skuggmask i ett faergkatodstraoleroer
US4122368A (en) * 1977-07-08 1978-10-24 Rca Corporation Cathode ray tube with a corrugated mask having a corrugated skirt
US4146816A (en) * 1977-07-08 1979-03-27 Rca Corporation Cathode-ray tube with a corrugated mask having a corrugated hinging skirt
US4942333A (en) * 1988-12-05 1990-07-17 North American Philips Corporation Shadow mask with border pattern
JPH02143758U (de) * 1988-12-31 1990-12-06

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961560A (en) * 1955-05-06 1960-11-22 Columbia Broadcasting Syst Inc Color picture tube
US3387159A (en) * 1966-10-28 1968-06-04 Nat Video Corp Color television tube mask mounting with aperture alignment maintenance during expansion
JPS4965779A (de) * 1972-10-27 1974-06-26
US3944867A (en) * 1974-03-15 1976-03-16 Zenith Radio Corporation Shadow mask having ribs bounding rectangular apertures
GB1546889A (en) * 1975-03-19 1979-05-31 Rca Corp Cathode ray tube having shadow mask

Also Published As

Publication number Publication date
AU502211B2 (en) 1979-07-19
PL107134B1 (pl) 1980-01-31
JPS5731256B2 (de) 1982-07-03
NL7710856A (nl) 1978-04-06
FR2366687A1 (fr) 1978-04-28
MX3555E (es) 1981-03-02
ES462667A1 (es) 1978-06-16
FR2366686A1 (fr) 1978-04-28
PL201281A1 (pl) 1978-06-05
ES462663A1 (es) 1978-12-01
JPS5346268A (en) 1978-04-25
FR2366686B1 (de) 1981-08-07
DE2743627A1 (de) 1978-04-06
ATA707177A (de) 1983-08-15
AU2926277A (en) 1979-05-17
NL7710857A (nl) 1978-04-06
IT1087553B (it) 1985-06-04
FR2366687B1 (de) 1981-08-07
GB1584179A (en) 1981-02-11
ATA707277A (de) 1979-07-15
SU1199207A3 (ru) 1985-12-15
BR7706587A (pt) 1978-08-01
MX3947E (es) 1981-10-08
JPS571087B2 (de) 1982-01-09
DE2743628A1 (de) 1978-04-06
IT1087552B (it) 1985-06-04
GB1584180A (en) 1981-02-11
AU502932B2 (en) 1979-08-16
JPS5352054A (en) 1978-05-12
AT355100B (de) 1980-02-11
AU2926177A (en) 1979-05-17
AT374302B (de) 1984-04-10

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Legal Events

Date Code Title Description
MKEX Expiry