JPS527254A - Reader - Google Patents

Reader

Info

Publication number
JPS527254A
JPS527254A JP50083321A JP8332175A JPS527254A JP S527254 A JPS527254 A JP S527254A JP 50083321 A JP50083321 A JP 50083321A JP 8332175 A JP8332175 A JP 8332175A JP S527254 A JPS527254 A JP S527254A
Authority
JP
Japan
Prior art keywords
movable mirror
reader
condenser
rotating plate
timeshaft
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
JP50083321A
Other languages
Japanese (ja)
Other versions
JPS5651418B2 (en
Inventor
Hitoshi Kanamaru
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP50083321A priority Critical patent/JPS527254A/en
Priority to US05/703,021 priority patent/US4198657A/en
Priority to DE2630381A priority patent/DE2630381C2/en
Publication of JPS527254A publication Critical patent/JPS527254A/en
Publication of JPS5651418B2 publication Critical patent/JPS5651418B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE: To correct both eccentricity of a rotating plate and timeshaft change with one movable mirror by locating its refrecting surface and rotating shaft of the movable mirror at an image side focus of a condenser in a reader which has a movable mirror and a condenser between the light source and a rotating plate.
COPYRIGHT: (C)1977,JPO&Japio
JP50083321A 1975-07-07 1975-07-07 Reader Granted JPS527254A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50083321A JPS527254A (en) 1975-07-07 1975-07-07 Reader
US05/703,021 US4198657A (en) 1975-07-07 1976-07-06 Optical disk reader with means for correcting errors due to eccentricity and time axis variations
DE2630381A DE2630381C2 (en) 1975-07-07 1976-07-06 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50083321A JPS527254A (en) 1975-07-07 1975-07-07 Reader

Publications (2)

Publication Number Publication Date
JPS527254A true JPS527254A (en) 1977-01-20
JPS5651418B2 JPS5651418B2 (en) 1981-12-05

Family

ID=13799148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50083321A Granted JPS527254A (en) 1975-07-07 1975-07-07 Reader

Country Status (1)

Country Link
JP (1) JPS527254A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627467A (en) * 1979-08-10 1981-03-17 Hitachi Ltd Cash register
JPS5883340A (en) * 1982-10-04 1983-05-19 Hitachi Ltd Controller for luminous flux position
JPS62296026A (en) * 1986-06-14 1987-12-23 清水建設株式会社 Construction method of reinforced concrete structures, etc.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627467A (en) * 1979-08-10 1981-03-17 Hitachi Ltd Cash register
JPS5883340A (en) * 1982-10-04 1983-05-19 Hitachi Ltd Controller for luminous flux position
JPS62296026A (en) * 1986-06-14 1987-12-23 清水建設株式会社 Construction method of reinforced concrete structures, etc.

Also Published As

Publication number Publication date
JPS5651418B2 (en) 1981-12-05

Similar Documents

Publication Publication Date Title
JPS5237445A (en) Lens system rendering variable characteristics of an image plane
JPS5235657A (en) One shaft type device for crude and fine adjustments capable of effect ing moderate adjustment
JPS52147430A (en) Focus detection device
JPS52138924A (en) Focal detector
JPS52144218A (en) Solid pickup element
JPS52127259A (en) Observing surface sharpe
JPS5218327A (en) Electrophotographic copying machine
JPS5327439A (en) Focus measuring device
JPS525520A (en) Ophthalmo funduscopic camera
JPS5432899A (en) Laser processing device
JPS5241765A (en) Oilhydraulic reversing gear
JPS547277A (en) Fine adjustment unit for stage
JPS5238235A (en) Lens holder
JPS527723A (en) Photographic lens of large aperture ratio
JPS5241531A (en) Finder for single lens relex camera
JPS51117536A (en) Impressed letters reading device
JPS51144654A (en) Microscope image input device
JPS5235656A (en) One shaft type device for crude and fine adjustments capable of effect ing moderate adjustment
JPS5257592A (en) Sheet for processing lenses
JPS5212522A (en) Information processing device
JPS5353266A (en) Probe card
JPS5326122A (en) Zoom lens
SU588100A1 (en) Copying device
JPS5235630A (en) Enlarging optical system for finder
JPS52143824A (en) Search device for micro=fiche