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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 D1YRSwMmHUqx8Fx0gOa65BbIcg54AA9rW4tlvz9FtJ12Cnty9jvlvsvkujxcoZJf
 pq1fwHugV7KvuEhZOI+2RQ==

<SEC-DOCUMENT>0000020232-03-000040.txt : 20030811
<SEC-HEADER>0000020232-03-000040.hdr.sgml : 20030811
<ACCEPTANCE-DATETIME>20030811123645
ACCESSION NUMBER:		0000020232-03-000040
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030731
FILED AS OF DATE:		20030811

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GREENBERG DONALD P
		CENTRAL INDEX KEY:			0001232808

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-05110
		FILM NUMBER:		03833820

	MAIL ADDRESS:	
		STREET 1:		C/O INTERACTIVE DATA CORP
		STREET 2:		22 CROSBY DRIVE
		CITY:			BEDFORD
		STATE:			MA
		ZIP:			01730

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:		5168452000

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>dg4081103.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-07-31</periodOfReport>
    <issuer>
        <issuerCik>0000020232</issuerCik>
        <issuerName>CHYRON CORP</issuerName>
        <issuerTradingSymbol>CYRO</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232808</rptOwnerCik>
            <rptOwnerName>GREENBERG DONALD P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INTERACTIVE DATA CORP</rptOwnerStreet1>
            <rptOwnerStreet2>22 CROSBY DRIVE</rptOwnerStreet2>
            <rptOwnerCity>BEDFORD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Options</value></securityTitle><conversionOrExercisePrice><value>0.45</value></conversionOrExercisePrice><transactionDate><value>2003-07-31</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>5000</value></transactionShares><transactionPricePerShare><footnoteId id="F1"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-07-31</value></exerciseDate><expirationDate><value>2013-07-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSe
curityShares><value>5000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Option granted at 0.45</footnote></footnotes><ownerSignature><signatureName>Donald P. Greenberg</signatureName><signatureDate>2003-08-11</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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