JPS545448A - Light beam scanner - Google Patents

Light beam scanner

Info

Publication number
JPS545448A
JPS545448A JP7066677A JP7066677A JPS545448A JP S545448 A JPS545448 A JP S545448A JP 7066677 A JP7066677 A JP 7066677A JP 7066677 A JP7066677 A JP 7066677A JP S545448 A JPS545448 A JP S545448A
Authority
JP
Japan
Prior art keywords
light beam
beam scanner
hologram
radiating
disc
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
JP7066677A
Other languages
Japanese (ja)
Other versions
JPS6122284B2 (en
Inventor
Yuzo Ono
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7066677A priority Critical patent/JPS545448A/en
Publication of JPS545448A publication Critical patent/JPS545448A/en
Publication of JPS6122284B2 publication Critical patent/JPS6122284B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)

Abstract

PURPOSE:To generate a desired scanning pattern by a simple method by radiating a read beam from a reference light direction to the hologram on a disc and moving the hologram in the direction orthogonal to a Fourier transforming direction.
JP7066677A 1977-06-14 1977-06-14 Light beam scanner Granted JPS545448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7066677A JPS545448A (en) 1977-06-14 1977-06-14 Light beam scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7066677A JPS545448A (en) 1977-06-14 1977-06-14 Light beam scanner

Publications (2)

Publication Number Publication Date
JPS545448A true JPS545448A (en) 1979-01-16
JPS6122284B2 JPS6122284B2 (en) 1986-05-31

Family

ID=13438207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7066677A Granted JPS545448A (en) 1977-06-14 1977-06-14 Light beam scanner

Country Status (1)

Country Link
JP (1) JPS545448A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299437A (en) * 1978-02-03 1981-11-10 Nippon Electric Co., Ltd. Coherent beam scanner having a planar hologram illuminated by a convergent or divergent beam
JP2020521170A (en) * 2017-05-19 2020-07-16 シーリアル テクノロジーズ ソシエテ アノニムＳｅｅｒｅａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｓ．Ａ． Display device with light guide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451025Y2 (en) * 1987-11-05 1992-12-01
JPH0622755B2 (en) * 1987-12-02 1994-03-30 動力炉・核燃料開発事業団 Seal gas injection method for welding pipes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299437A (en) * 1978-02-03 1981-11-10 Nippon Electric Co., Ltd. Coherent beam scanner having a planar hologram illuminated by a convergent or divergent beam
JP2020521170A (en) * 2017-05-19 2020-07-16 シーリアル テクノロジーズ ソシエテ アノニムＳｅｅｒｅａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｓ．Ａ． Display device with light guide

Also Published As

Publication number Publication date
JPS6122284B2 (en) 1986-05-31

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