Supervisory device for an optoelectronic switching network

Details Supervisory device for an optoelectronic switching network Supervisory device for an optoelectronic switching network

1983-02-03

1985-10-22

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455612, 350 9613, H04B 900

Patent

active

045493138

ABSTRACT:
An optoelectronic switching network comprises a transmit board (10), a receive board (40) and an optical projection system (3). The transmit board is formed by plural transmit units, each including a light source (11). The receive board is formed by plural receive units (41), each including plural optoelectronic cells. The optical system projects an image of the transmit board onto the receive units so that in each receive unit the images of the sources of the transmit board coincide with the optoelectronic cells of the receive units. An optoelectric cell is thus activated by an illuminated light source. In each receive unit, a light source illuminates the receive units when a cell thereof is activated, and a supervision receive unit (60) supervises the optoelectronic cells (62) having projected thereon images of the receive units.

REFERENCES:
patent: 4437190 (1984-03-01), Rozenwaig et al.

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