| Patent Number |
Title Of Patent |
Date Issued |
| 7125141 |
Apparatus for homogeneously distributing lights |
October 24, 2006 |
| An apparatus for homogeneously distributing lights includes a light guide plate, an incidence microstructure and an emergence microstructure. The incidence microstructure is arranged on a surface of the light guide plate and opposite to a light source. The emergence microstructure is |
| 6724532 |
Dual-lens hybrid diffractive/refractive imaging system |
April 20, 2004 |
| The present invention discloses a dual-lens hybrid diffractive/refractive imaging system comprising: a first lens including a concave surface and a convex surface; and the second lens including a convex surface and a concave surface. The concave surface of the first lens is an objective |
| 6155502 |
Nozzle device for purging a vacuum pump |
December 5, 2000 |
| A nozzle device for purging a vacuum pump includes a nozzle, the top portion of the nozzle is a tapered portion, two sides of the tapered portion are installed with nozzle holes for guiding the exhausted air sub-flow to be exhausted from the two sides of vent end. |
| 6123526 |
Multistage pump and method for assembling the pump |
September 26, 2000 |
| A multistage pump includes a shaft assembly and a housing and spacing plates. The shaft assembly completed by forming shafts and rotors integrally. The spacing plates defining a plurality of successive compression chambers, each chamber is delimited by two symmetrical spacing plates, |
