Method of transmitting a group at least two measured values thro

Details Method of transmitting a group at least two measured values thro Method of transmitting a group at least two measured values thro

1987-02-02

1989-09-05

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

370 4, 375 23, 455606, 455612, 455617, H04B 900

Patent

active

048646482

ABSTRACT:
A method of transmitting at least two measured values by means of light pulses which are passed by an optical transmitter through an optical transmission path to an optical receiver and whose relative separation in time is proportional to the measured value. The energy consumption for the optical transmission of the measured values is reduced by transmitting needle pulses cyclically, one after another in the same order of succession, in that per measured value an optical measuring pulse is transmitted, whose separation in time from the optical measuring pulse associated with a preceding measured value is proportional the magnitude of the measured value, and in that for each group of measured values an optical identification pulse is transmitted, whose distance in time from a preceding measuring pulse is smaller than the smallest possible distance in time between two successive optical measuring pulses.

REFERENCES:
patent: 4525873 (1985-06-01), Baues
patent: 4525874 (1985-06-01), Baues
patent: 4694504 (1987-09-01), Porter et al.

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