| 摘要 |
An article of clothing (10) includes an electrical circuit (30) having a battery (32), one or more integrated circuits connected to a signal device such as an array of LEDs (24) and/or a loudspeaker (28), and, at least one switch (34) which is operative to activate the integrated circuit(s) in response to the application of a magnetic field to the switch from a permanent magnet located externally of the article of clothing. <IMAGE>
|
