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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000020232-09-000068.txt : 20090910
<SEC-HEADER>0000020232-09-000068.hdr.sgml : 20090910
<ACCEPTANCE-DATETIME>20090910102130
ACCESSION NUMBER:		0000020232-09-000068
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090908
FILED AS OF DATE:		20090910
DATE AS OF CHANGE:		20090910

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHYRON CORP
		CENTRAL INDEX KEY:			0000020232
		STANDARD INDUSTRIAL CLASSIFICATION:	PHOTOGRAPHIC EQUIPMENT & SUPPLIES [3861]
		IRS NUMBER:				112117385
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5 HUB DR
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747
		BUSINESS PHONE:		6318452000

	MAIL ADDRESS:	
		STREET 1:		5 HUB DRIVE
		CITY:			MELVILLE
		STATE:			NY
		ZIP:			11747

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMPUTER EXCHANGE INC
		DATE OF NAME CHANGE:	19760114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RAYNE ROBERT A
		CENTRAL INDEX KEY:			0001188798

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09014
		FILM NUMBER:		091061845

	MAIL ADDRESS:	
		STREET 1:		33 ROBERT ADAM STREET
		CITY:			LONDON ENGLAND
		STATE:			X0
		ZIP:			W1G 3HR
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rr091009.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-08</periodOfReport>

    <issuer>
        <issuerCik>0000020232</issuerCik>
        <issuerName>CHYRON CORP</issuerName>
        <issuerTradingSymbol>CHYR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188798</rptOwnerCik>
            <rptOwnerName>RAYNE ROBERT A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>33 ROBERT ADAM STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONDON ENGLAND</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>W1G 3HR</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>50146</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.48</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>80528</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6550</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.4875</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>87078</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2783864</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By LMS Capital plc</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 134,680 shares owned by Lion Investments Ltd. (&quot;Lion&quot;), 1,238,464 shares owned by LMS Tiger Investments Limited (&quot;Tiger&quot;) and 1,410,720 shares owned by Westpool Investment Trust plc (&quot;Westpool&quot;). Lion, Tiger and Westpool are wholly-owned investment company subsidiaries of LMS Capital plc (&quot;LMS&quot;). Mr. Rayne, a Director of Chyron Corporation, is Chief Executive Officer, a Director and a principal shareholder of LMS and shares voting and investment control over these shares with two other executive directors of LMS. Mr. Rayne disclaims beneficial ownership of the shares except to the extent of pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jerry Kieliszak, Attorney-in-fact</signatureName>
        <signatureDate>2009-09-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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