Title:
FLAT ANTENNA AND ELECTRICAL APPARATUS WITH THE SAME
Document Type and Number:
Japanese Patent JP3830358
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a high-performance low-cost flat antenna, which can be built into a portable telephone, in an electrical product or in the wall, and with a small space.
SOLUTION: A slit part 2, with a width of c and a length of d, is formed at a conductive plate 1 with a width of a and a length of b. A mono-pole antenna-shaped radiation element 3 and a ground part (width of g) 4 are formed with a boundary of the slit part 2. The width of a (the length of the radiation element 3) of the conductive plate 1 is almost an odd-number multiples of 1/4 of the frequency used.
Inventors:
Morihiko Ikegaya
Takehiro Sugiyama
Naofumi Shield
Takehiro Sugiyama
Naofumi Shield
Application Number:
JP2001138361A
Publication Date:
October 04, 2006
Filing Date:
May 09, 2001
Export Citation:
Assignee:
Hitachi Cable Ltd.
International Classes:
G06F1/16; H01Q13/10; H01Q1/22; H01Q1/38; H01Q9/04; H01Q9/30; (IPC1-7): H01Q13/10; G06F1/16; H01Q1/22; H01Q9/30
Domestic Patent References:
| JP897760A | ||||
| JP823224A | ||||
| JP9270618A | ||||
| JP2882928B1 |
Attorney, Agent or Firm:
Nobuo Kinutani