FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

CAHOUET FRANK V 		2. Issuer Name and Ticker or Trading Symbol

TELEDYNE TECHNOLOGIES INC [ TDY ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

1049 CAMINO DOS RIOS 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/5/2010
(Street)

THOUSAND OAKS, CA 91360
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   5/5/2010     M    353   A $12.48   26116   D    
Common Stock   5/5/2010     M    337   A $13.07   26453   D    
Common Stock   5/5/2010     M    2000   A $14.75   28453   D    
Common Stock   5/5/2010     M    2064   A $11.62   30517   D    
Common Stock   5/5/2010     M    153   A $13.04   30670   D    
Common Stock   5/5/2010     M    2029   A $14.29   (1) 32699   (1) D   (1)  
Common Stock   5/5/2010     S    2137   D $43.8537   (2) 30562   (3) D   (3)  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Employee Stock Option (right-to-buy)   $12.48   5/5/2010     M         353    1/23/2002   1/23/2011   Common Stock   353   $0   0   D    
Non-Employee Stock Option (right-to-buy)   $13.07   5/5/2010     M         337    2/21/2002   2/21/2011   Common Stock   337   $0   0   D    
Non-Employee Stock Option (right-to-buy)   $14.75   5/5/2010     M         2000    6/1/2001   6/1/2010   Common Stock   2000   $0   0   D    
Non-Employee Stock Option (right-to-buy)   $11.62   5/5/2010     M         2064    7/3/2001   7/3/2010   Common Stock   2064   $0   0   D    
Non-Employee Stock Option (right-to-buy)   $13.04   5/5/2010     M         153    2/20/2002   2/20/2011   Common Stock   153   $0   0   D    
Non-Employee Stock Option (right-to-buy)   $14.29   5/5/2010     M         2029   (1)   1/2/2002   1/2/2011   Common Stock   2029   $0   0   D    

Explanation of Responses:
(1)  At the completion of these 6 transactions (exercise of stock option right-to-buy) Reporting person holds 6,936 shares directly and 25,763 shares held indirectly by the Deed of Trust of Frank V. Cahouet .
(2)  This transaction was executed in multiple trades at prices ranging from $43.73 to $43.8703. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction is effected
(3)  At the completion of this transaction (the sale of a total of 2,137 shares of Common Stock) Reporting person holds 4,799 shares directly and 25,763 shares held indirectly by the Deed of Trust of Frank V. Cahouet .

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CAHOUET FRANK V
1049 CAMINO DOS RIOS
THOUSAND OAKS, CA 91360 		X



Signatures
Frank V. Cahouet by John T. Kuelbs pursuant to Power of Attorney previously filed with SEC. 5/6/2010
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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