Method and device for initializing data, and particularly seismi

Details Method and device for initializing data, and particularly seismi Method and device for initializing data, and particularly seismi

1989-01-27

1990-01-30

Yarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

367 76, 455603, H04B 1700

Patent

active

048978213

ABSTRACT:
A method and device are provided for initializing acquisition apparatus including the use of coded infrared rays for transmitting data and a control case, the initialization being provided by modulating a light beam in amplitude by means of a carrier signal, this latter being modulated both in frequency and in phase and the modulation depending on the initialization signals. A programmable processing unit delivers the digital data to an infrared ray transmitter, the light signals received in return from the acquisition cases provided with similar transmission means being received by an infrared receiver, decoded and reshaped before being applied to the processing unit.

REFERENCES:
patent: 4493063 (1985-01-01), Tims et al.
patent: 4517562 (1985-05-01), Martinez
patent: 4639901 (1987-01-01), Warmack et al.
"Infrared Transmitter and Receiver," Margolin, S. M., Radio Electronics, Aug. 1984.

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