Patsnap Patent Basic Data API

openapi: 3.2.0
info:
  title: Patsnap Open Platform AI Translation Patent Basic Data API
  version: 1.0.0
  description: OpenAPI specification for Patsnap Open Platform APIs, including patent search, analytics, and Eureka AI capabilities.
servers:
- url: https://connect.patsnap.com
  description: Patsnap Open Platform API gateway
tags:
- name: Patent Basic Data
  description: Patent Basic Data APIs.
paths:
  /basic-patent-data/abstract-image:
    get:
      operationId: p021BasicPatentDataAbstractImage
      summary: P021 Abstract Image
      description: Receive patent abstract image data (the image from front page) by patent_id or patent_number. Patent abstract data includes abstract image number and abstract image URL path.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p021 abstract image response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P021BasicPatentDataAbstractImageResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/abstract-image
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 077f4978-092c-4522-bc98-e8257a5c99f9,6e5c550d-28d6-4cf1-a265-b5488996b641,52ee4f52-3edc-4e41-854e-c76dd8b7d14f
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN3307359D,CN303649457S,CN104169186A
          description: patent_number
  /basic-patent-data/pdf-data:
    get:
      operationId: p020BasicPatentDataPdfData
      summary: P020 PDF
      description: Receive patent PDF document pathway by patent_id or patent_number.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p020 pdf response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P020BasicPatentDataPdfDataResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/pdf-data
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 494407c3-459b-4c6b-8503-b5128cf0c07e,94365516-de3c-445b-aa73-dd8370887a2d,ddfc29cf-71c6-4bb3-b35b-10f256767152
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: EP2458380B1,CN3126351D,US20050262868A1
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: "When the PDF of current patent is unavailable, whether to replace it with the PDF of its family patent？default not to replace: \n   1. Yes\n   0: No"
        schema:
          type: integer
          format: int32
          example: '0'
          description: "When the PDF of current patent is unavailable, whether to replace it with the PDF of its family patent？default not to replace: \n   1. Yes\n   0: No"
  /basic-patent-data/backward-citation:
    get:
      operationId: p015BasicPatentDataBackwardCitation
      summary: P015 Cited By Patents
      description: Receive patent backward citation data by patent_id or patent_number. Patent backward citation data includes backward citation number, backward citation count for simple family, INPADOC family and PatSnap family.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p015 cited by patents response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P015BasicPatentDataBackwardCitationResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/backward-citation
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 000d6583-2f77-42e0-999d-9aa9ecc5b94e
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: DE3106419A1
          description: patent_number
  /basic-patent-data/simple-legal-status:
    get:
      operationId: p041BasicPatentDataSimpleLegalStatus
      summary: P041 Simple Legal Status
      description: Receive simple legal status data by patent_id or patent_number. Simple Legal Status data includes Active, Pending, Inactive, Undetermined, PCT designated period, PCT designated expiration. For more details please view the full list of fields in the developer document.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p041 simple legal status response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P041BasicPatentDataSimpleLegalStatusResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/simple-legal-status
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 718ead9c-4f3c-4674-8f5a-24e126827269
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US11205304B2
          description: patent_number
  /basic-patent-data/fulltext-image:
    post:
      operationId: p042BasicPatentDataFulltextImage
      summary: P042 Fulltext Image
      description: Receive patent fulltext image data by patent_id or patent_number. Patent fulltext data includes fulltext image type and fulltext image URL path.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p042 fulltext image response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P042BasicPatentDataFulltextImageResponse'
        '201':
          description: Created.
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/fulltext-image
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/P042BasicPatentDataFulltextImageRequest'
  /advanced-patent-data/forward-citation:
    get:
      operationId: p016AdvancedPatentDataForwardCitation
      summary: P016 Patent Citation
      description: Receive detailed forward citation data patent_id or patent_number. This includes citation type, citation source, citation category, reference DOI, title, author, and publication.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p016 patent citation response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P016AdvancedPatentDataForwardCitationResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/advanced-patent-data/forward-citation
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 4ad45196-06ed-4bef-b5d5-ac2ff2b6032c,314b8a88-3877-4bf4-9461-f501f94876bd
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US10071304B2
          description: patent_number
  /basic-patent-data/legal-status:
    get:
      operationId: p013BasicPatentDataLegalStatus
      summary: P013 Patent Legal Status
      description: Receive legal status data by patent_id or patent_number. Legal status data includes simple legal status, legal status and event status. For more details please view the fields description in the developer document.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p013 patent legal status response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P013BasicPatentDataLegalStatusResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/legal-status
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: b54b4e0c-c0f5-4cf6-9ede-36394a7e2f0b
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US20220119699A9
          description: patent_number
  /basic-patent-data/claim-data:
    get:
      operationId: p018BasicPatentDataClaimData
      summary: P018 Claim
      description: Receive patent claim data by patent_id or patent_number. Patent claim data includes claim text, number of claims and independent claims.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p018 claim response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P018BasicPatentDataClaimDataResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/claim-data
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 9cf648f8-8283-4767-9a14-f90f68303f3e,7353c607-0594-4592-b99e-aea9f517de17
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN108977442B
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: "When the claims of current patent is unavailable, whether to replace it with the claims of its family patent？default not to replace: \n   1. Yes\n   0: No"
        schema:
          type: integer
          format: int32
          example: '0'
          description: "When the claims of current patent is unavailable, whether to replace it with the claims of its family patent？default not to replace: \n   1. Yes\n   0: No"
  /basic-patent-data/bibliography:
    get:
      operationId: p012BasicPatentDataBibliography
      summary: P012 Biblio
      description: Receive patent bibliography data by patent_id or patent_number. Patent bibliography data includes a total of 100+ fields, including application information, applicant information and agency information. For more details please view the full list of fields in the developer document.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p012 biblio response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P012BasicPatentDataBibliographyResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/bibliography
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 718ead9c-4f3c-4674-8f5a-24e126827269
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US11205304B2
          description: patent_number
  /basic-patent-data/patent-family:
    get:
      operationId: p014BasicPatentDataPatentFamily
      summary: P014 Patent Family
      description: Receive patent family data by patent_id or patent_number. Patent family data includes simple, INPADOC, and PatSnap family authority, family members and count.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p014 patent family response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P014BasicPatentDataPatentFamilyResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/patent-family
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 1a47a70d-6b54-4709-a72a-ed552781fcac
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: JP1999068462A
          description: patent_number
  /basic-patent-data/simple-bibliography:
    get:
      operationId: p011BasicPatentDataSimpleBibliography
      summary: P011 Simple Biblio
      description: Receive patent basic bibliography data by patent_id or patent_number. For more details please view the full list of fields in the developer document.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p011 simple biblio response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P011BasicPatentDataSimpleBibliographyResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/simple-bibliography
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 718ead9c-4f3c-4674-8f5a-24e126827269
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US11205304B2
          description: patent_number
  /basic-patent-data/abstract-data-translated:
    get:
      operationId: p043BasicPatentDataAbstractDataTranslated
      summary: P043 Abstract (Translated)
      description: Receive patent translated title and abstract by patent_id or patent_number (support Chinese, English, Japanese).
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p043 abstract (translated) response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P043BasicPatentDataAbstractDataTranslatedResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/abstract-data-translated
      parameters:
      - name: lang
        in: query
        required: false
        description: translation language, support cn, en, jp
        schema:
          type: string
          example: en
          description: translation language, support cn, en, jp
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 1a47a70d-6b54-4709-a72a-ed552781fcac,7353c607-0594-4592-b99e-aea9f517de17
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN101595528B
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: 'When the abstract of current patent is unavailable, whether to replace it with the abstract of its family patent？default not to replace: 1. Yes 0: No'
        schema:
          type: integer
          format: int32
          example: '0'
          description: 'When the abstract of current patent is unavailable, whether to replace it with the abstract of its family patent？default not to replace: 1. Yes 0: No'
  /basic-patent-data/description-data:
    get:
      operationId: p019BasicPatentDataDescriptionData
      summary: P019 Description
      description: Receive patent description data by patent_id or patent_number. Patent description data includes the Technical field, Background Art, Summary of Invention, Brief Description of Drawings and Description of Embodiments.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p019 description response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P019BasicPatentDataDescriptionDataResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/description-data
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 1a47a70d-6b54-4709-a72a-ed552781fcac,7353c607-0594-4592-b99e-aea9f517de17
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: JP1999068462A
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: "When the description of current patent is unavailable, whether to replace it with the description of its family patent？default not to replace: \n   1. Yes\n   0: No"
        schema:
          type: integer
          format: int32
          example: '0'
          description: "When the description of current patent is unavailable, whether to replace it with the description of its family patent？default not to replace: \n   1. Yes\n   0: No"
  /basic-patent-data/claim-data-translated:
    get:
      operationId: p044BasicPatentDataClaimDataTranslated
      summary: P044 Claim (Translated)
      description: Receive patent translated claims by patent_id or patent_number (support Chinese, English, Japanese)
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p044 claim (translated) response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P044BasicPatentDataClaimDataTranslatedResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/claim-data-translated
      parameters:
      - name: lang
        in: query
        required: false
        description: translation language, support cn, en, jp
        schema:
          type: string
          example: en
          description: translation language, support cn, en, jp
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 1a47a70d-6b54-4709-a72a-ed552781fcac,7353c607-0594-4592-b99e-aea9f517de17
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN101595528B
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: 'When the claims of current patent is unavailable, whether to replace it with the claims of its family patent？default not to replace: 1. Yes 0: No'
        schema:
          type: integer
          format: int32
          example: '0'
          description: 'When the claims of current patent is unavailable, whether to replace it with the claims of its family patent？default not to replace: 1. Yes 0: No'
  /basic-patent-data/description-data-translated:
    get:
      operationId: p045BasicPatentDataDescriptionDataTranslated
      summary: P045 Description (Translated)
      description: Receive patent translated description by patent_id or patent_number (support Chinese, English, Japanese)
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p045 description (translated) response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P045BasicPatentDataDescriptionDataTranslatedResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/description-data-translated
      parameters:
      - name: lang
        in: query
        required: false
        description: translation language, support cn, en, jp
        schema:
          type: string
          example: en
          description: translation language, support cn, en, jp
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: 1a47a70d-6b54-4709-a72a-ed552781fcac,7353c607-0594-4592-b99e-aea9f517de17
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN101595528B
          description: patent_number
      - name: replace_by_related
        in: query
        required: false
        description: 'When the description of current patent is unavailable, whether to replace it with the description of its family patent？default not to replace: 1. Yes 0: No'
        schema:
          type: integer
          format: int32
          example: '0'
          description: 'When the description of current patent is unavailable, whether to replace it with the description of its family patent？default not to replace: 1. Yes 0: No'
  /basic-patent-data/fulltext-inline-image:
    get:
      operationId: p042BasicPatentDataFulltextInlineImage
      summary: P042 Fulltext Inline Image
      description: Receive patent fulltext image data by patent_id or patent_number. Patent fulltext data includes fulltext image type and fulltext image URL path.
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p042 fulltext inline image response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P042BasicPatentDataFulltextInlineImageResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/fulltext-inline-image
      parameters:
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: fdbca633-63df-4c0b-8597-3f6c5e3a2748
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: CN116420141A
          description: patent_number
  /basic-patent-data/description-offset:
    get:
      operationId: p073BasicPatentDataDescriptionOffset
      summary: P073 Fulltext navigation location information
      description: 'The text paragraph location information of a specific patent can be queried by entering "patent_id" or "patent_number". The paragraph includes: technical field, background technology, invention content, attached drawing description, specific implementation plan, etc.'
      tags:
      - Patent Basic Data
      security:
      - bearerAuth: []
      responses:
        '200':
          description: Successful p073 fulltext navigation location information response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/P073BasicPatentDataDescriptionOffsetResponse'
        '401':
          description: Unauthorized.
        '403':
          description: Forbidden.
        '404':
          description: Not Found.
      externalDocs:
        description: API Reference documentation
        url: https://open.patsnap.com/devportal/api-reference/basic-patent-data/description-offset
      parameters:
      - name: lang
        in: query
        required: false
        description: text language，Only EN, CN, JP, KR, and TW are supported.default EN
        schema:
          type: string
          example: EN
          description: text language，Only EN, CN, JP, KR, and TW are supported.default EN
      - name: patent_id
        in: query
        required: false
        description: patent_id
        schema:
          type: string
          example: f3deb1dd-fd57-4bbb-85c4-6820be90b853
          description: patent_id
      - name: patent_number
        in: query
        required: false
        description: patent_number
        schema:
          type: string
          example: US9800501B2
          description: patent_number
components:
  schemas:
    P019BasicPatentDataDescriptionData_PatentDescriptionNew:
      type: object
      properties:
        lang:
          type: string
          example: JP
          description: language
        text:
          type: string
          example: <b class="d_n">【0001】</b>【発明の属する技術分野】本発明は圧電発振器回路に関し、特に低電源電圧で動作する圧電発振器回路に関する。\n<b class=\"d_n\">【0002】</b>\n【従来の技術】携帯電話機等バッテリーを電源とする移動体通信機器は、消費電力を極力少なくすることにより、同一容量のバッテリーにて通信可能時間が長時間である機種が従来より強く求められている。この為、従来移動体通信機に使用するバッテリーの性能の向上を図ると共に、水晶発振器を含む使用部品の低電力化等による対応を進めている。即ち、駆動電圧を低く設定できれば同一容量のバッテリーでより多くの電流容量を供給できる。一方、この様な水晶発振器に要求される不可欠な重要特性として、広い温度範囲にわたる高い周波数精度や出力振幅の安定性が挙げられるが、水晶発振器は温度特性を有する数多くの部品を用いて構成している為、前記特性を悪化する要因が複数存在する。  上記の要因の一つとしては発振回路内に使用しているトランジスタの動作電流が周囲の温度変化により大きく変化する為に相互コンダクタンスが変化�ることが知られており、その結果、出力信号の振幅が変動したり、また、トランジスタの入力容量が変化し出力周波数が変動するという問題が生じる。\n<b class=\"d_n\">【0003】</b>このことを図面を用いて説明すると、図7は従来技術として一般的に知られるコルピッツ型水晶発振回路である。同図中のR1、R2、R3、R4はトランジスタの直流バイアス抵抗であり、C1、C2、C3、C4はコンデンサであり、Q1はトランジスタであり、Y1は水晶振動子である。また、前記直流バイアス抵抗は、前記トランジスタQ1がA級動作するように値を設定することが一般的である。上述したように温度変化に対するトランジスタの動作電流が変化する主要因としては、トランジスタのベースとエミッタ間の電圧(以下V<sub>BE</sub>と称す)が一次関数的な温度特性を有する為である。従来このような問題を解決する為に、前記直流バイアス抵抗R2にベース電流の数倍から数十倍の電流を流すよう設定を行い前記V<sub>BE</sub>の変化に伴うトランジスタのベース電圧の変動を抑えた設定としていた。また、出力信号の振幅の変動に対しては、従来コレクタ電流を十分多く流すことで予め高出力信号振幅に設定しておき、温度変化により出力信号の振幅が減少した場合に於いても要求する特性を満たすようにしていた。また、エミッタ電圧をV<sub>E</sub>、ベース電圧をV<sub>B</sub>、とした場合、V<sub>E</sub>≒V<sub>B</sub>-V<sub>BE</sub>よりベース電圧V<sub>B</sub>を大きく設定することによりV<sub>BE</sub>の変化に対するエミッタ電圧V<sub>E</sub>の変化�

# --- truncated at 32 KB (112 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/patsnap/refs/heads/main/openapi/patsnap-patent-basic-data-api-openapi.yml