Transmission Device for Quantum Key

FIG. 1 is a reduced scale front, right side, top perspective view of a transmission device for quantum key showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional view thereof, taken in the direction of line 8 - 8 of FIG. 2 (an internal mechanism is omitted); and,

FIG. 9 is a partially enlarged view thereof, taken in the direction of line 9 of FIG. 8 .

The broken lines shown in Figures illustrate portions of the transmission device for quantum key that form no part of the claimed design.