Terminal device having closed chamber communications between fun

Details Terminal device having closed chamber communications between fun Terminal device having closed chamber communications between fun

1983-01-12

1985-02-12

Orsino, Jr., Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455617, H04B 900

Patent

active

044996080

ABSTRACT:
A data processing terminal device includes a substantially enclosed optical chamber which serves as a wireless communication "bus" between pluggable functional units such as a controller unit, printer units, display units, etc. Each functional unit includes a transducer having an emitter component for injecting optical energy into the cavity and a detector component for sensing optical energy injected by transducers of other functional units. The energy distribution within the cavity is shaped by elliptic parabolic reflectors, preferably molded integrally with the floor of the chamber structure.

REFERENCES:
patent: 3710122 (1973-01-01), Burcher et al.
patent: 3912876 (1975-10-01), Muller
patent: 4063083 (1977-12-01), Cathey et al.
patent: 4358858 (1982-11-01), Tamura et al.
patent: 4393515 (1983-07-01), de Neumann

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