IMAGE DISPLAY APPARATUS

IMAGE DISPLAY APPARATUS

In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: HARUNA FUMIO, KOBORI TOMOKI
Format: Patent
Sprache:eng
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page
container_issue
container_start_page
container_title
container_volume
creator HARUNA FUMIO
KOBORI TOMOKI
description In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a first light amount value obtained by measuring a light amount when an input image signal agrees with a first reference signal level and a second light amount value obtained by measuring a light amount when the input image signal agrees with a second reference signal level; and corrects, when a calculation result of the threshold value and the slope efficiency varied after a predetermined time, a threshold current and also make a correction so that a light amount ratio of the light sources becomes the same as an initial value of a slope efficiency ratio.
format Patent
fullrecord <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US2013207950A1</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US2013207950A1</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US2013207950A13</originalsourceid><addsrcrecordid>eNrjZBD39HV0d1Vw8QwO8HGMVHAMCHAMcgwJDeZhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhsZGBuaWpgaOhsbEqQIAT2AgVg</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>IMAGE DISPLAY APPARATUS</title><source>esp@cenet</source><creator>HARUNA FUMIO ; KOBORI TOMOKI</creator><creatorcontrib>HARUNA FUMIO ; KOBORI TOMOKI</creatorcontrib><description>In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a first light amount value obtained by measuring a light amount when an input image signal agrees with a first reference signal level and a second light amount value obtained by measuring a light amount when the input image signal agrees with a second reference signal level; and corrects, when a calculation result of the threshold value and the slope efficiency varied after a predetermined time, a threshold current and also make a correction so that a light amount ratio of the light sources becomes the same as an initial value of a slope efficiency ratio.</description><language>eng</language><subject>ADVERTISING ; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION ; CRYPTOGRAPHY ; DISPLAY ; EDUCATION ; PHYSICS ; SEALS</subject><creationdate>2013</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20130815&amp;DB=EPODOC&amp;CC=US&amp;NR=2013207950A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20130815&amp;DB=EPODOC&amp;CC=US&amp;NR=2013207950A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HARUNA FUMIO</creatorcontrib><creatorcontrib>KOBORI TOMOKI</creatorcontrib><title>IMAGE DISPLAY APPARATUS</title><description>In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a first light amount value obtained by measuring a light amount when an input image signal agrees with a first reference signal level and a second light amount value obtained by measuring a light amount when the input image signal agrees with a second reference signal level; and corrects, when a calculation result of the threshold value and the slope efficiency varied after a predetermined time, a threshold current and also make a correction so that a light amount ratio of the light sources becomes the same as an initial value of a slope efficiency ratio.</description><subject>ADVERTISING</subject><subject>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</subject><subject>CRYPTOGRAPHY</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>PHYSICS</subject><subject>SEALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD39HV0d1Vw8QwO8HGMVHAMCHAMcgwJDeZhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGhsZGBuaWpgaOhsbEqQIAT2AgVg</recordid><startdate>20130815</startdate><enddate>20130815</enddate><creator>HARUNA FUMIO</creator><creator>KOBORI TOMOKI</creator><scope>EVB</scope></search><sort><creationdate>20130815</creationdate><title>IMAGE DISPLAY APPARATUS</title><author>HARUNA FUMIO ; KOBORI TOMOKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2013207950A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ADVERTISING</topic><topic>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</topic><topic>CRYPTOGRAPHY</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>PHYSICS</topic><topic>SEALS</topic><toplevel>online_resources</toplevel><creatorcontrib>HARUNA FUMIO</creatorcontrib><creatorcontrib>KOBORI TOMOKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HARUNA FUMIO</au><au>KOBORI TOMOKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMAGE DISPLAY APPARATUS</title><date>2013-08-15</date><risdate>2013</risdate><abstract>In an image display apparatus which projects and displays an image by scanning emitted light from light sources by a reflective mirror, a correction unit calculates a threshold value and a slope efficiency of a light amount vs. current characteristic of each of the plurality of light sources, from a first light amount value obtained by measuring a light amount when an input image signal agrees with a first reference signal level and a second light amount value obtained by measuring a light amount when the input image signal agrees with a second reference signal level; and corrects, when a calculation result of the threshold value and the slope efficiency varied after a predetermined time, a threshold current and also make a correction so that a light amount ratio of the light sources becomes the same as an initial value of a slope efficiency ratio.</abstract><oa>free_for_read</oa></addata></record>
fulltext fulltext_linktorsrc
identifier
ispartof
issn
language eng
recordid cdi_epo_espacenet_US2013207950A1
source esp@cenet
subjects ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
title IMAGE DISPLAY APPARATUS
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-06T07%3A57%3A56IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=HARUNA%20FUMIO&rft.date=2013-08-15&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS2013207950A1%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true