JPS6447166A - Picture reader - Google Patents

Picture reader

Info

Publication number
JPS6447166A
JPS6447166A JP62203694A JP20369487A JPS6447166A JP S6447166 A JPS6447166 A JP S6447166A JP 62203694 A JP62203694 A JP 62203694A JP 20369487 A JP20369487 A JP 20369487A JP S6447166 A JPS6447166 A JP S6447166A
Authority
JP
Japan
Prior art keywords
light
photodetector
original
hole
lens
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
JP62203694A
Other languages
Japanese (ja)
Inventor
Kenjiro Hamanaka
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP62203694A priority Critical patent/JPS6447166A/en
Publication of JPS6447166A publication Critical patent/JPS6447166A/en
Pending legal-status Critical Current

Links

Landscapes

  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

PURPOSE:To obtain sufficient illuminance even with low power consumption by arranging a minute light source comprising a light emitting diode corresponding to each lens and a photodetector having a minute hole to both sides of micro lenses arranged a lots and stopping the light collected by the lens. CONSTITUTION:The illuminating light from a minute light source 24 comprising a light emitting diode is stopped into a hole 30 provided in the middle of the photodetector 22 by a corresponding micro lens 20 and the other light is shut by a light shield layer 32 fitted to the photodetector 22. Moreover, an original 14 having a picture to be read is retained by a transparent member 34 for surface protection of the photodetector 22 and only the luminous flux passing through the hole 30 of the photodetector 22 is projected on the original 14 through the member 34. Thus, the contrast of a character, etc., drawn on the original 14 is subject to photoelectric conversion as a change in the intensity of scattered light to read the picture on the original 14. Thus, the entire optical system is made small in size and thin in profile.
JP62203694A 1987-08-17 1987-08-17 Picture reader Pending JPS6447166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62203694A JPS6447166A (en) 1987-08-17 1987-08-17 Picture reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62203694A JPS6447166A (en) 1987-08-17 1987-08-17 Picture reader

Publications (1)

Publication Number Publication Date
JPS6447166A true JPS6447166A (en) 1989-02-21

Family

ID=16478297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62203694A Pending JPS6447166A (en) 1987-08-17 1987-08-17 Picture reader

Country Status (1)

Country Link
JP (1) JPS6447166A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003065741A (en) * 2001-08-24 2003-03-05 Rohm Co Ltd Device for detecting surface information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003065741A (en) * 2001-08-24 2003-03-05 Rohm Co Ltd Device for detecting surface information

Similar Documents

Publication Publication Date Title
DE69228655D1 (en) Flat lighting device and display device provided with such a device
FR2582780B1 (en) LIGHTING DEVICE, PARTICULARLY ADJUSTABLE SCENIC PROJECTOR ACCORDING TO ALL ITS PARAMETERS
EP0878720A4 (en) Illuminating device and display using the device
EP1293834A3 (en) Illumination apparatus
CA2472959A1 (en) Single lens for led signal light
JPS55113387A (en) Light emitting diode indicator
JPS55135830A (en) Transmission type screen
JPS6447166A (en) Picture reader
TW350934B (en) Photo recording device
CA2262823A1 (en) Method and system for microscope illumination
CN206398437U (en) A kind of Multifunctional LED flat lamp
JPS56120259A (en) Reader for equimultiple type video information
JPS57121285A (en) Light coupling device
TW201741743A (en) Display device using a light collection unit to collect and guide external light to a display for enhancing image brightness displayed on the display
JPS647027A (en) Reflection type screen
JPS5414746A (en) Illuninating light source device
CN207213703U (en) A kind of night reads plate
JPS52100775A (en) Fluorescent lamp
JPS645261A (en) Optical original reader
JPS6444912A (en) Display device
JPS5713307A (en) Position detector
JPS6488501A (en) Plane lens plate
JPS6441368A (en) Solid-state image pickup device
JPS57185021A (en) Photometric device of single-lense reflex camera
JPS6444910A (en) Displaying device