Device for optically transmitting and receiving binary informati

Details Device for optically transmitting and receiving binary informati Device for optically transmitting and receiving binary informati

1996-04-15

1997-04-01

Boudreau, Leo

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359154, 359172, 375310, H04B 1000

Patent

active

056172354

ABSTRACT:
A device for transmitting binary information, in the form of two information-carrying symbols, between two or a number of units, in which transmission is by optical means in free medium, includes an optical transmitter module with a transmitter unit for transmitting an optical transmission signal and an optical receiver module with a receiver unit for receiving the optical transmission signal, and the device is arranged for high speed communications without a carrier wave. The transmitter module is equipped with a formatting unit devised to activate the transmitter unit to emit the transmission signal only during part of a complete symbol interval corresponding to one of the symbols, and the receiver module is equipped with a normalizing unit devised to recreate, from the transmission signal received by the receiver unit, both the symbol corresponding to the transmission signal throughout its entire symbol interval and the residual information-carrying symbol in the digital information. A programmer and base unit for a medical implant in which the device for transmitting digital information is applied is also disclosed.

REFERENCES:
patent: 4628541 (1986-12-01), Beavers
patent: 4850046 (1989-07-01), Philippe
patent: 5319487 (1994-06-01), Sato et al.

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