Telecommunications card for secure optical data transmission and installation method

  • US 7,099,592 B2
  • Filed: 02/02/2001
  • Issued: 08/29/2006
  • Est. Priority Date: 02/02/2001
  • Status: Active Grant
First Claim
Patent Images

1. A card for transmitting data over at least one optical fiber, the card comprising:

  • a transmitter having at least one light source and a phase modulator for phase modulating light from the source so as to create phase-modulated optical signals in the light as a function of an input electronic data stream; and

    a receiver having an interferometer for reading received optical signals, the interferometer having a delay loop fiber; and

    a fastening device for securing the delay loop fiber.

View all claims

    Thank you for your feedback