JPS5422844A - Optical filter and production thereof - Google Patents

Optical filter and production thereof

Info

Publication number
JPS5422844A
JPS5422844A JP8795377A JP8795377A JPS5422844A JP S5422844 A JPS5422844 A JP S5422844A JP 8795377 A JP8795377 A JP 8795377A JP 8795377 A JP8795377 A JP 8795377A JP S5422844 A JPS5422844 A JP S5422844A
Authority
JP
Japan
Prior art keywords
production
optical filter
shielding portions
shaped shielding
gridshaped
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
JP8795377A
Other languages
Japanese (ja)
Other versions
JPS6212620B2 (en
Inventor
Kazuaki Hirabayashi
Atsushi Kihara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electronics 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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Priority to JP8795377A priority Critical patent/JPS5422844A/en
Publication of JPS5422844A publication Critical patent/JPS5422844A/en
Publication of JPS6212620B2 publication Critical patent/JPS6212620B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Control Of Non-Electrical Variables (AREA)

Abstract

PURPOSE: To make it possible to desirably realize the overall transmissivity distribution including that in the vicinity of the center by forming a filter substrate with a number of spot-shaped shielding portions, a stripe-shaped shielding portions gridshaped shielding portions.
COPYRIGHT: (C)1979,JPO&Japio
JP8795377A 1977-07-21 1977-07-21 Optical filter and production thereof Granted JPS5422844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8795377A JPS5422844A (en) 1977-07-21 1977-07-21 Optical filter and production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8795377A JPS5422844A (en) 1977-07-21 1977-07-21 Optical filter and production thereof

Publications (2)

Publication Number Publication Date
JPS5422844A true JPS5422844A (en) 1979-02-21
JPS6212620B2 JPS6212620B2 (en) 1987-03-19

Family

ID=13929234

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8795377A Granted JPS5422844A (en) 1977-07-21 1977-07-21 Optical filter and production thereof

Country Status (1)

Country Link
JP (1) JPS5422844A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541510A (en) * 1981-10-29 1985-09-17 Honda Giken Kogyo Kabushiki Kaisha Shift fork lubricating system for transmission
US4838266A (en) * 1986-09-08 1989-06-13 Koziol Jeffrey E Lens shaping device using a laser attenuator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541510A (en) * 1981-10-29 1985-09-17 Honda Giken Kogyo Kabushiki Kaisha Shift fork lubricating system for transmission
US4838266A (en) * 1986-09-08 1989-06-13 Koziol Jeffrey E Lens shaping device using a laser attenuator

Also Published As

Publication number Publication date
JPS6212620B2 (en) 1987-03-19

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