{
  "resourceType" : "Observation",
  "id" : "DaType2PghdDeviceExample",
  "meta" : {
    "profile" : ["http://connectdtx.kr/fhir/StructureDefinition/janusync-device-data-observation"]
  },
  "status" : "final",
  "code" : {
    "coding" : [{
      "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-device-data",
      "code" : "device",
      "display" : "디바이스"
    }]
  },
  "effectivePeriod" : {
    "start" : "2026-04-20T09:00:00+09:00",
    "end" : "2026-04-20T10:00:00+09:00"
  },
  "component" : [{
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-device-data",
        "code" : "device.usage-time",
        "display" : "Daily ventilator usage duration 일일 인공호흡기 사용 시간(hour)"
      }]
    },
    "valueQuantity" : {
      "value" : 8,
      "system" : "http://unitsofmeasure.org",
      "code" : "h"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-device-data",
        "code" : "device.battery-percent",
        "display" : "배터리 잔량 (%)"
      }]
    },
    "valueQuantity" : {
      "value" : 75,
      "system" : "http://unitsofmeasure.org",
      "code" : "%"
    }
  },
  {
    "code" : {
      "coding" : [{
        "system" : "http://connectdtx.kr/fhir/CodeSystem/janusync-device-data",
        "code" : "device.sd-write-error",
        "display" : "SD card data write error SD 카드 데이터 쓰기 오류"
      }]
    },
    "valueBoolean" : false
  }]
}