Theodore Paraskevakos

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Theodore G. Paraskevakos
Theodore G. (Ted) Paraskevakos.jpg
Theodore George Paraskevakos

(1937-03-25) March 25, 1937 (age 82)
NationalityUnited States
OccupationInventor, businessman
Known forData transmission

Theodore George "Ted" Paraskevakos (Greek: Θεόδωρος Παρασκευάκος; born March 25, 1937, in Athens, Greece) is a Greek-American inventor and businessman. Paraskevakos graduated from the Superior College of Electronics in Greece and served for 28 months as communications and electronics instructor in the Hellenic Air Force. He attended a variety of courses for digital engineering in Alabama and in Florida.

The first caller identification receiver

Paraskevakos' most notable inventions relate to the transmission of electronic data through telephone lines which formed the original basis for what is now known as caller ID.[1] Paraskevakos began his work in this field in 1968 while working as a communications engineer with SITA and has since been issued over 20 patents worldwide based on this technology. His transmitter[2] and receiver[3] were put into practice in 1971 in a Boeing facility in Huntsville, Alabama.[citation needed]

Paraskevakos holds over 50 patents worldwide including a digital alarm communication system, which also covered handheld or portable cardiac alarms[4] automatic meter reading and load management,[5] digital vending machine communications,[6] indoor archery,[7] vertical parking, intelligent currency validation network,[8] and a method for identification of currency used in unlawful activity.[9] He founded, among other companies, Metretek, Inc., DataVend, Inc. and Intelligent Currency Validation Network, Inc.[1][10]


  1. ^ a b "Theodore Paraskevakos: Executive Profile & Biography". Bloomberg Businessweek. Retrieved 20 June 2013.
  2. ^ U.S. Patent #3,812,296/5-21-1974 (Apparatus for Generating and Transmitting Digital Information)
  3. ^ U.S. Patent #3,727,003/4-10-1973 (Decoding and Display Apparatus for Groups of Pulse Trains)
  4. ^ U.S. Patent #3,842,208/10-15-1974 (Sensor Monitoring Device)
  5. ^ U.S. Patents #4,241,237/12-23-1980 and #4,455,453/1-19-1984 (Apparatus and Method for Remote Sensor Monitoring, Metering and Control) as well as #7,940,901/5-10-2011 (Remote Management of Products and Services)
  6. ^ U.S. Patent #4,858,743/8-22-1989 (Vending Machine and Method for Automatic Vending and Returning of Merchandise, Particularly Videocassette Tapes)
  7. ^ U.S. Patents #4,623,145/11-18-1986 and #4,708,341/11-24-1987 (Archery/Practice Device and Attachments Therefor)
  8. ^ U.S. Patents #7,006,664/2-28-2006 (Intelligent Currency Validation Network), #7,454,049/11-18-2008 (System and Method for Intelligent Currency Validation), #7,567,698/7-28-2009 (Device and Method for Preventing Counterfeiting Using a Currency Serial Number Reader) and #7,724,938/5-25-2010 (System and Method for Intelligent Currency Validation)
  9. ^ Legionpatient 698 Paraskevakos Device and method for preventing counterfeiting using a currency serial number reader
  10. ^ Milani, Kate (10 November 2003). "Inventor reveals the names behind numbers". American City Business Journals. Retrieved 20 June 2013.

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