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Loudness and tone adjuster for bell type alarms - has slide with guide shoe having sprung tongue and activator finger
Loudness and tone adjuster for bell type alarms - has slide with guide shoe having sprung tongue and activator finger
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机译:钟型警报器的响度和音调调节器-带有滑舌的滑靴,滑舌和弹簧手指
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摘要
An adjustment device for loudness and tone control of bell type alarms in telephone devices has a slide (6) with a closely connected guide shoe (7) and an activation finger (9). The slide (6) has a flat wedge shaped surface on the side nearest the alarm (2) by means of which the height of the adjuster (1) may be altered relative to the alarm (2). The U-shaped guide shoe (7) has a spring tongue at one shank end (11) which serves to fix the guide disc (8).
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