JPS51112296A - Directional reflection plate manufacturing method - Google Patents

Directional reflection plate manufacturing method

Info

Publication number
JPS51112296A
JPS51112296A JP50036749A JP3674975A JPS51112296A JP S51112296 A JPS51112296 A JP S51112296A JP 50036749 A JP50036749 A JP 50036749A JP 3674975 A JP3674975 A JP 3674975A JP S51112296 A JPS51112296 A JP S51112296A
Authority
JP
Japan
Prior art keywords
reflection plate
plate manufacturing
directional reflection
directional
rolling
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.)
Pending
Application number
JP50036749A
Other languages
Japanese (ja)
Inventor
Norio Kanai
Yasuhiko Shindo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50036749A priority Critical patent/JPS51112296A/en
Publication of JPS51112296A publication Critical patent/JPS51112296A/en
Pending legal-status Critical Current

Links

Landscapes

  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: To enable production of a high quality directional reflection plate with improved directivity and reflection efficiency by rolling a material by means of a roller having fine grooves.
COPYRIGHT: (C)1976,JPO&Japio
JP50036749A 1975-03-28 1975-03-28 Directional reflection plate manufacturing method Pending JPS51112296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50036749A JPS51112296A (en) 1975-03-28 1975-03-28 Directional reflection plate manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50036749A JPS51112296A (en) 1975-03-28 1975-03-28 Directional reflection plate manufacturing method

Publications (1)

Publication Number Publication Date
JPS51112296A true JPS51112296A (en) 1976-10-04

Family

ID=12478370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50036749A Pending JPS51112296A (en) 1975-03-28 1975-03-28 Directional reflection plate manufacturing method

Country Status (1)

Country Link
JP (1) JPS51112296A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139781A (en) * 1981-02-24 1982-08-28 Asahi Glass Co Ltd Photoelectrical element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57139781A (en) * 1981-02-24 1982-08-28 Asahi Glass Co Ltd Photoelectrical element
JPH0153477B2 (en) * 1981-02-24 1989-11-14 Asahi Glass Co Ltd

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