JPS5538530A - Light scanning device - Google Patents

Light scanning device

Info

Publication number
JPS5538530A
JPS5538530A JP11134678A JP11134678A JPS5538530A JP S5538530 A JPS5538530 A JP S5538530A JP 11134678 A JP11134678 A JP 11134678A JP 11134678 A JP11134678 A JP 11134678A JP S5538530 A JPS5538530 A JP S5538530A
Authority
JP
Japan
Prior art keywords
hologram
scanning
signal
fall
pulse
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
JP11134678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6321168B2 (fr
Inventor
Hiroyoshi Funato
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11134678A priority Critical patent/JPS5538530A/ja
Publication of JPS5538530A publication Critical patent/JPS5538530A/ja
Publication of JPS6321168B2 publication Critical patent/JPS6321168B2/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)
JP11134678A 1978-09-12 1978-09-12 Light scanning device Granted JPS5538530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11134678A JPS5538530A (en) 1978-09-12 1978-09-12 Light scanning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11134678A JPS5538530A (en) 1978-09-12 1978-09-12 Light scanning device

Publications (2)

Publication Number Publication Date
JPS5538530A true JPS5538530A (en) 1980-03-18
JPS6321168B2 JPS6321168B2 (fr) 1988-05-06

Family

ID=14558855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11134678A Granted JPS5538530A (en) 1978-09-12 1978-09-12 Light scanning device

Country Status (1)

Country Link
JP (1) JPS5538530A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378142A (en) * 1979-06-21 1983-03-29 Nippon Electric Co., Ltd Hologram made by using a plurality of spherical waves and a device for laser beam scanning by using the hologram
JPS6039273A (ja) * 1983-08-12 1985-03-01 Fujitsu Ltd 光学読取装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5282435A (en) * 1975-12-29 1977-07-09 Fujitsu Ltd Safety device in optical scanner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5282435A (en) * 1975-12-29 1977-07-09 Fujitsu Ltd Safety device in optical scanner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378142A (en) * 1979-06-21 1983-03-29 Nippon Electric Co., Ltd Hologram made by using a plurality of spherical waves and a device for laser beam scanning by using the hologram
JPS6039273A (ja) * 1983-08-12 1985-03-01 Fujitsu Ltd 光学読取装置
JPH0145108B2 (fr) * 1983-08-12 1989-10-02 Fujitsu Ltd

Also Published As

Publication number Publication date
JPS6321168B2 (fr) 1988-05-06

Similar Documents

Publication Publication Date Title
JPS569763A (en) Beam recording device
JPS54140543A (en) Monitor for zerographic apparatus
JPS54140544A (en) Exposure control device for zerographic apparatus
JPS52109954A (en) Optical signal reader
SE8802865L (sv) Foerfarande foer avbildning av ett snabbroerligt objekt medelst ett videofoerfarande
JPS5538530A (en) Light scanning device
NO891218D0 (no) Automatisk bildeskarphetsavstemning av bilderoer.
JPS541035A (en) Recorder
JPS57152570A (en) Recording disk detecting device
JPS53121644A (en) Detecting method of focal position using holograph
JPS5456390A (en) Light detecting method
JPS542700A (en) Optical fire detector
JPS5315105A (en) Spacing detector of optical recorder/reproducer
JPS545323A (en) Compensating unit for light source output variation
JPS53148412A (en) Optical recorder or reproducer
JPS5367452A (en) Laser beam detection system
JPS53116110A (en) Optical recorder-reproducer
JPS5358721A (en) Solid state pickup device
JPS5315107A (en) Spacing detector of optical recorder/repoducer
JPS5315106A (en) Spacing detector of optical recorder/reproducer
JPS52149172A (en) Detector for photosensitive substance
JPS5336134A (en) Readomg system
JPS5211948A (en) Flying spot system image reference device
JPS5327318A (en) Optical image detecting circuit
JPS5327444A (en) Trouble shooting method and device for object detector