BEFESTIGUNGSVORRICHTUNG FÜR EINE SCHEIBE EINER OPTISCHEN KODIERVORRICHTUNG
An optical encoder is provided in which a disk is prevented from eccentric rotation. An optical encoder comprises a shaft (2) supported on a bearing (3) in a housing (1), a rotating disk (4) having a code pattern and fixed to the shaft (2), a photodetector element (12) which receives light passing t...
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| creator | TASHIRO, KAZUO SAKAI, YOSHIHIRO |
| description | An optical encoder is provided in which a disk is prevented from eccentric rotation. An optical encoder comprises a shaft (2) supported on a bearing (3) in a housing (1), a rotating disk (4) having a code pattern and fixed to the shaft (2), a photodetector element (12) which receives light passing through the rotating disk (4) from a light-emitting element (10) and converts it into an electric signal, and a substrate (13) on which is mounted a circuit for detecting a signal in the electric signal. The shaft (2) is inserted in a hole (4a) opened in the center of the rotating disk (4), the backside of which is seated on a step (2a) of the shaft (2). The optical encoder further comprises a spacer (5) fitted loosely over the shaft (2) and placed on an adhesive (6) spread on the rotating disk (4), a ring (7) for fixing the spacer (5) and the disk (4) tentatively to the shaft (2), arid adhesive (8) spread on the spacer (5), the ring (7) and the shaft (2). This structure prevents the adhesive (8) from entering between the thinner part (2b) of the shaft (2) and the hole (4a) of the disk (4) and between the backside of the disk (4) and the step (2a). |
| format | Patent |
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An optical encoder comprises a shaft (2) supported on a bearing (3) in a housing (1), a rotating disk (4) having a code pattern and fixed to the shaft (2), a photodetector element (12) which receives light passing through the rotating disk (4) from a light-emitting element (10) and converts it into an electric signal, and a substrate (13) on which is mounted a circuit for detecting a signal in the electric signal. The shaft (2) is inserted in a hole (4a) opened in the center of the rotating disk (4), the backside of which is seated on a step (2a) of the shaft (2). The optical encoder further comprises a spacer (5) fitted loosely over the shaft (2) and placed on an adhesive (6) spread on the rotating disk (4), a ring (7) for fixing the spacer (5) and the disk (4) tentatively to the shaft (2), arid adhesive (8) spread on the spacer (5), the ring (7) and the shaft (2). This structure prevents the adhesive (8) from entering between the thinner part (2b) of the shaft (2) and the hole (4a) of the disk (4) and between the backside of the disk (4) and the step (2a).</description><language>ger</language><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ; BASIC ELECTRONIC CIRCUITRY ; CODE CONVERSION IN GENERAL ; CODING ; DECODING ; ELECTRICITY ; MEASURING ; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ; PHYSICS ; TARIFF METERING APPARATUS ; TESTING</subject><creationdate>2006</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&date=20060622&DB=EPODOC&CC=DE&NR=69929207T2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060622&DB=EPODOC&CC=DE&NR=69929207T2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TASHIRO, KAZUO</creatorcontrib><creatorcontrib>SAKAI, YOSHIHIRO</creatorcontrib><title>BEFESTIGUNGSVORRICHTUNG FÜR EINE SCHEIBE EINER OPTISCHEN KODIERVORRICHTUNG</title><description>An optical encoder is provided in which a disk is prevented from eccentric rotation. An optical encoder comprises a shaft (2) supported on a bearing (3) in a housing (1), a rotating disk (4) having a code pattern and fixed to the shaft (2), a photodetector element (12) which receives light passing through the rotating disk (4) from a light-emitting element (10) and converts it into an electric signal, and a substrate (13) on which is mounted a circuit for detecting a signal in the electric signal. The shaft (2) is inserted in a hole (4a) opened in the center of the rotating disk (4), the backside of which is seated on a step (2a) of the shaft (2). The optical encoder further comprises a spacer (5) fitted loosely over the shaft (2) and placed on an adhesive (6) spread on the rotating disk (4), a ring (7) for fixing the spacer (5) and the disk (4) tentatively to the shaft (2), arid adhesive (8) spread on the spacer (5), the ring (7) and the shaft (2). 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An optical encoder comprises a shaft (2) supported on a bearing (3) in a housing (1), a rotating disk (4) having a code pattern and fixed to the shaft (2), a photodetector element (12) which receives light passing through the rotating disk (4) from a light-emitting element (10) and converts it into an electric signal, and a substrate (13) on which is mounted a circuit for detecting a signal in the electric signal. The shaft (2) is inserted in a hole (4a) opened in the center of the rotating disk (4), the backside of which is seated on a step (2a) of the shaft (2). The optical encoder further comprises a spacer (5) fitted loosely over the shaft (2) and placed on an adhesive (6) spread on the rotating disk (4), a ring (7) for fixing the spacer (5) and the disk (4) tentatively to the shaft (2), arid adhesive (8) spread on the spacer (5), the ring (7) and the shaft (2). This structure prevents the adhesive (8) from entering between the thinner part (2b) of the shaft (2) and the hole (4a) of the disk (4) and between the backside of the disk (4) and the step (2a).</abstract><oa>free_for_read</oa></addata></record> |
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| language | ger |
| recordid | cdi_epo_espacenet_DE69929207TT2 |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING |
| title | BEFESTIGUNGSVORRICHTUNG FÜR EINE SCHEIBE EINER OPTISCHEN KODIERVORRICHTUNG |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-18T04%3A59%3A05IST&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=TASHIRO,%20KAZUO&rft.date=2006-06-22&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EDE69929207TT2%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 |