Digital directional coupler

Information

  • Patent Grant
  • D470821
  • Patent Number
    D470,821
  • Date Filed
    Tuesday, May 8, 2001
    23 years ago
  • Date Issued
    Tuesday, February 25, 2003
    22 years ago
Abstract
Description




FIG. 1 is a top plan view of a digital directional coupler showing a new design;




FIG. 2 is a bottom plan view thereof;




FIG. 3 is a front elevational view thereof;




FIG. 4 is a left elevational view thereof;




FIG. 5 is a right elevational view thereof;




FIG. 6 is a rear elevational view thereof; and,




FIG. 7 is a perspective view thereof.



Claims
  • The ornamental design for a digital directional coupler, as shown and described.
US Referenced Citations (9)
Number Name Date Kind
D251972 Malocsay May 1979 S
4567318 Shu Jan 1986 A
4806116 Ackerman Feb 1989 A
D301244 Chino May 1989 S
4897045 Dyck Jan 1990 A
5153380 Chang Oct 1992 A
D396691 Shen Aug 1998 S
D452681 Inoue Jan 2002 S
6339190 Chung Jan 2002 B1