Title:
TRANSMITTER FOR ELECTRIC WAVE KEY
Document Type and Number:
Japanese Patent JP3028887
Kind Code:
B2
Abstract:
PURPOSE: To provide a transmitter for an electric wave key which can be incorporated in a key grip part and has a transmission antenna of a UHF band.
CONSTITUTION: A key grip part 1 is provided with a case 2 in which a transmitter 10 is incorporated, and a ring part 4 in which a hole is formed is integrally molded to the case. A PC base sheet 12 of the transmitter is arranged to the case 2 and a loop antenna 14 of a UHF band is arranged to the ring part 4. The ring part 4 is formed such that a groove 6 is formed in the mating surface of a two-division member, a loop antenna 14 is fitted in the groove along the groove 6 and positioned for assembly. This constitution performs effective utilization of a space.
Inventors:
Akihiko Niino
Katsuhiro Minami
Ritsuo Suzuki
Katsuhiro Minami
Ritsuo Suzuki
Application Number:
JP30644792A
Publication Date:
April 04, 2000
Filing Date:
October 20, 1992
Export Citation:
Assignee:
Tokai Rika Electric Co., Ltd.
International Classes:
E05B19/00; E05B49/00; E05B83/36; H01Q1/24; (IPC1-7): E05B19/00; E05B49/00; E05B65/20
Domestic Patent References:
| JP4202984A | ||||
| JP63569A | ||||
| JP1151689U |
Attorney, Agent or Firm:
Yoshinao Nakano