The keywords container includes high-level summary words or phrases found in patent documents. This container is available for CN to Premium Plus subscribers.
Chinese Language Example
| Code Block |
|---|
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<keywords mxw-id="PKEY1" load-source="patent-office" lang="ZH" format="original">
<keyword-set technical-field="invention-title" subjects-number="2">
<keyword sequence="1" pfq="1" dvalue="1">方法和设备</keyword>
<keyword sequence="2" pfq="1" dvalue="0.97">识别部件</keyword>
</keyword-set>
<keyword-set technical-field="abstract" subjects-number="18">
<keyword sequence="1" pfq="4" dvalue="1">马达</keyword>
<keyword sequence="2" pfq="2" dvalue="0.70">比较装置</keyword>
</keyword-set>
</keywords> |
English Language Example
| Code Block |
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<keywords mxw-id="PKEY2" load-source="patent-office" 7lang="EN" format="original-translated">
<keyword-set technical-field="invention-title" subjects-number="2">
<keyword sequence="1" pfq="1" dvalue="1">Method and equipment</keyword>
<keyword sequence="2" pfq="1" dvalue="0.97">Identification unit</keyword>
</keyword-set>
<keyword-set technical-field="abstract" subjects-number="18">
<keyword sequence="1" pfq="4" dvalue="1">Motor</keyword>
<keyword sequence="2" pfq="2" dvalue="0.70">The comparison means</keyword>
</keyword-set>
</keywords> |
keywords/keyword-set
| Attribute | Description |
|---|
| technical-field | Section of the patent document in which the keyword occurs |
| subjects-number | Number of distinct keywords which occur within a section |
keywords/keyword-set/keyword
| Attribute | Description |
|---|
| sequence | Sequence number |
| pfq | Number of occurrences of a keyword within a section (frequency) |
| dvalue | Relevance ranking weight of a keyword, ranging from 0 to 1, with 1 indicating the greatest relevance |