GB2072863B - Optical mask - Google Patents

Optical mask

Info

Publication number
GB2072863B
GB2072863B GB8107734A GB8107734A GB2072863B GB 2072863 B GB2072863 B GB 2072863B GB 8107734 A GB8107734 A GB 8107734A GB 8107734 A GB8107734 A GB 8107734A GB 2072863 B GB2072863 B GB 2072863B
Authority
GB
United Kingdom
Prior art keywords
optical mask
mask
optical
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
GB8107734A
Other languages
English (en)
Other versions
GB2072863A (en
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.)
Hajime Industries Ltd
Original Assignee
Hajime Industries Ltd
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 Hajime Industries Ltd filed Critical Hajime Industries Ltd
Publication of GB2072863A publication Critical patent/GB2072863A/en
Application granted granted Critical
Publication of GB2072863B publication Critical patent/GB2072863B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/20—Cathode-ray oscilloscopes
    • G01R13/202—Non-electric appliances, e.g. scales, masks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
GB8107734A 1980-03-24 1981-03-12 Optical mask Expired GB2072863B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3844780U JPS56142372U (enrdf_load_stackoverflow) 1980-03-24 1980-03-24

Publications (2)

Publication Number Publication Date
GB2072863A GB2072863A (en) 1981-10-07
GB2072863B true GB2072863B (en) 1984-07-25

Family

ID=12525537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8107734A Expired GB2072863B (en) 1980-03-24 1981-03-12 Optical mask

Country Status (5)

Country Link
JP (1) JPS56142372U (enrdf_load_stackoverflow)
CA (1) CA1170035A (enrdf_load_stackoverflow)
DE (1) DE3111350A1 (enrdf_load_stackoverflow)
FR (1) FR2478819B1 (enrdf_load_stackoverflow)
GB (1) GB2072863B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56133667A (en) * 1980-03-24 1981-10-19 Hajime Sangyo Kk Inspecting device
IT8323346V0 (it) * 1983-10-25 1983-10-25 Argondizzo Carlotta Festa Camp Supporto per tracciati o simili da applicare allo schermo del televisore per giochi o quiz.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484318A (en) * 1966-06-23 1969-12-16 Ibm Method of concurrently producing visible and magnetizable indicia
LU54931A1 (enrdf_load_stackoverflow) * 1967-11-21 1969-07-07
DE2209980A1 (de) * 1972-03-02 1973-09-06 Licentia Gmbh Vorrichtung zur messtechnischen bestimmung oder kontrolle der messdaten eines messobjektes

Also Published As

Publication number Publication date
CA1170035A (en) 1984-07-03
FR2478819B1 (fr) 1985-09-06
GB2072863A (en) 1981-10-07
DE3111350A1 (de) 1982-03-25
JPS56142372U (enrdf_load_stackoverflow) 1981-10-27
FR2478819A1 (fr) 1981-09-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940312