| 摘要 |
In a garment 10, 12 incorporating an electronic device such as a radio 16, a variable of the device, such as volume, is varied by the use of two cords 22, 24, the electrical resistance of each cord decreasing in accordance with an increase in tension applied to the cord; pulling one cord increases the volume of the radio and pulling the other cord decreases the volume. The stronger the pull, the faster the change in volume. The ends of the cords lie outside the garment and carry toggles 26, 28 for easy operation by a gloved hand. Alternatively the ends of the cord outside the garment may be connected to opposite ends of a manual grip 48.
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