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<!--Created on: 10/29/2014 4:04:47 PM-->
<!--Modified on: 10/29/2014 4:04:47 PM-->
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  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValueRollForward" id="ctrl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValueRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeOneMember" id="ctrl_ExercisePriceRangeOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeTwoMember" id="ctrl_ExercisePriceRangeTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeThreeMember" id="ctrl_ExercisePriceRangeThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeFourMember" id="ctrl_ExercisePriceRangeFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeFiveMember" id="ctrl_ExercisePriceRangeFiveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExercisePriceRangeSixMember" id="ctrl_ExercisePriceRangeSixMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsAbstract" id="ctrl_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsAbstract" id="ctrl_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" id="ctrl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermObligationsDisclosureTextBlock" id="ctrl_LongTermObligationsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockOptionAndIncentive2013PlanMember" id="ctrl_StockOptionAndIncentive2013PlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAuthorizedAsPercentageOfSharesOutstanding" id="ctrl_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAuthorizedAsPercentageOfSharesOutstanding" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OptionsForCommonStockGrantedInConnectionWithAcquisition" id="ctrl_OptionsForCommonStockGrantedInConnectionWithAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EliminationOfLiabilityUponNetExerciseOfWarrantsToPurchasePreferredStock" id="ctrl_EliminationOfLiabilityUponNetExerciseOfWarrantsToPurchasePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SalesReturnsAndWarrantyAccrualsCurrent" id="ctrl_SalesReturnsAndWarrantyAccrualsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GainOnInventoryPurchaseCommitment" id="ctrl_GainOnInventoryPurchaseCommitment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ComputerEquipmentAndSoftwareMember" id="ctrl_ComputerEquipmentAndSoftwareMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ManufacturingToolsAndTestEquipmentMember" id="ctrl_ManufacturingToolsAndTestEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LabAndWarehouseEquipmentMember" id="ctrl_LabAndWarehouseEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MarketingEquipmentMember" id="ctrl_MarketingEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompanyOneMember" id="ctrl_CompanyOneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompanyTwoMember" id="ctrl_CompanyTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompanyThreeMember" id="ctrl_CompanyThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompanyFourMember" id="ctrl_CompanyFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLeasesTermOfExtension" id="ctrl_OperatingLeasesTermOfExtension" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchaseCommitmentsAbstract" id="ctrl_PurchaseCommitmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentNumberOfEqualMonthlyPaymentsOfPrincipalAndInterest" id="ctrl_DebtInstrumentNumberOfEqualMonthlyPaymentsOfPrincipalAndInterest" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OtherCommitmentPresentValue" id="ctrl_OtherCommitmentPresentValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherCommitmentCurrent" id="ctrl_OtherCommitmentCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="GeographicInformationPolicyTextBlock" id="ctrl_GeographicInformationPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeAndNonemployeeStockOptionMember" id="ctrl_EmployeeAndNonemployeeStockOptionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingLossAndTaxCreditCarryforwardsMinimumPeriodOfExaminationsAndAdjustments" id="ctrl_OperatingLossAndTaxCreditCarryforwardsMinimumPeriodOfExaminationsAndAdjustments" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsBalanceSheetLocationMember" id="ctrl_CashAndCashEquivalentsBalanceSheetLocationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShortTermInvestmentsBalanceSheetLocationMember" id="ctrl_ShortTermInvestmentsBalanceSheetLocationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermInvestmentsBalanceSheetLocationMember" id="ctrl_LongTermInvestmentsBalanceSheetLocationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAndAvailableForSaleSecuritiesTableTextBlock" id="ctrl_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAndAvailableForSaleSecuritiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" id="ctrl_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" id="ctrl_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CashAndCashEquivalentsAndInvestmentsAdjustedCost" id="ctrl_CashAndCashEquivalentsAndInvestmentsAdjustedCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ExtraVegetablesLimitedMember" id="ctrl_ExtraVegetablesLimitedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationBasePurchasePrice" id="ctrl_BusinessCombinationBasePurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationConsiderationAllocationPeriod" id="ctrl_BusinessCombinationConsiderationAllocationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationNetworkingCapital" id="ctrl_BusinessCombinationNetworkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsAndInvestmentsUnrealizedGains" id="ctrl_CashAndCashEquivalentsAndInvestmentsUnrealizedGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CashAndCashEquivalentsAndInvestmentsUnrealizedLosses" id="ctrl_CashAndCashEquivalentsAndInvestmentsUnrealizedLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfCompanysIntangibleAssetsAndRelatedAccumulatedAmortization" id="ctrl_ScheduleOfCompanysIntangibleAssetsAndRelatedAccumulatedAmortization" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedCashAndCashEquivalentsPolicyTextBlock" id="ctrl_RestrictedCashAndCashEquivalentsPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTaxesPayable" id="ctrl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTaxesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="PriorPeriodReclassificationsTable" id="ctrl_PriorPeriodReclassificationsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PriorPeriodReclassicationsAbstract" id="ctrl_PriorPeriodReclassicationsAbstract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PriorPeriodReclassificationsLineItems" id="ctrl_PriorPeriodReclassificationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="ctrl_OperatingIncomeLossMember" name="OperatingIncomeLossMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
