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  <xs:element name="DebenturesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_DebenturesMember"/>
  <xs:element name="EquityIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_EquityIncentivePlanMember"/>
  <xs:element name="FirstDebenturesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_FirstDebenturesMember"/>
  <xs:element name="MrEnglanderMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_MrEnglanderMember"/>
  <xs:element name="NotesPayableMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_NotesPayableMember"/>
  <xs:element name="SecuritiesPurchaseAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_SecuritiesPurchaseAgreementsMember"/>
  <xs:element name="StockOptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_StockOptionsMember"/>
  <xs:element name="TreasuryStocksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_TreasuryStocksMember"/>
  <xs:element name="WarrantSubscriptionMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_WarrantSubscriptionMember"/>
  <xs:element name="AccruedSeveranceAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_AccruedSeveranceAbstract"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="dror_DocumentAndEntityInformationAbstract"/>
</xs:schema>
