{"created":"2021-03-01T06:52:19.017029+00:00","id":33526,"links":{},"metadata":{"_buckets":{"deposit":"747c5b0a-0e52-4a88-a904-ae86cbb30716"},"_deposit":{"id":"33526","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33526"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033526","sets":["80:4535:4937:4938","9:504:4538:4939:4940"]},"author_link":["130967","130966"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"微小地震常時観測のための地震計増幅器の階段的利得自動切換"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1967-03-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"1442","bibliographicPageStart":"1435","bibliographicVolumeNumber":"44","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"item_4_description_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"In the observation of micro-earthquakes, the trace amplitude of the seismogram which is recorded with an ordinary highly sensitive seismograph very often reaches the limited amplitude range of the recorder, and consequently the information of amplitude or correctness of S phase identification are lost. The quality of observation to give accurate data for the calculation of the hypocenter position and the determination of magnitude had been lowered by the trouble mentioned above. In this paper, the author intends to describe one of the useful steps to expand the dynamic range of the seismograph without giving trouble in the operation of the instrument or in the quality of the seismogram.","subitem_description_type":"Abstract"},{"subitem_description":"地震活動度研究室では紀伊半島における微小地震調査の経験から微小地震常時観測にたいする能率的観測態勢を確立した.1つは観測点配置について, 1つは装置についてであるが本文では使用する増幅器について開発された装置を紹介する.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"130967","nameIdentifierScheme":"WEKO"}],"names":[{"name":"松本, 英照"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000033526","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Matumoto, Hideteru"}],"nameIdentifiers":[{"nameIdentifier":"130966","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-26"}],"displaytype":"detail","filename":"ji0444003.pdf","filesize":[{"value":"686.4 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0444003.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/33526/files/ji0444003.pdf"},"version_id":"5c3d4786-2117-4359-a3a9-8a3d53a4fca6"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Automatic Step-wise Gain Control of a Seismometer Amplifier for the Routine Observation of Small Earthquakes","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Automatic Step-wise Gain Control of a Seismometer Amplifier for the Routine Observation of Small Earthquakes","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4938","4940"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"33526","relation_version_is_last":true,"title":["Automatic Step-wise Gain Control of a Seismometer Amplifier for the Routine Observation of Small Earthquakes"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:45:26.046109+00:00"}