| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an anti-theft device capable of clearly reading information displayed on the main face of a cassette even after repeatedly use of the main body of the anti-theft device with a cassette housing part. SOLUTION: A cassette holding frame 2 consists of first and second holding arms 21, 22 and an arm connecting member 23 connecting both holding arms 21 and 22 with each other, and the cassette housing part 10 is formed between both holding arms 21 and 22. Guiding grooves 25 and 25 guiding the insertion of a cassette 8 are respectively formed at the first and second holding arms 21 and 22. The first holding arm 21 incorporates a circuit board 4 receiving a warning signal from a gate and a buzzer 6 buzzing by receiving. In addition a plate spring 3 is fixed to the tip part of the first holding arm 21 and on the other hand a projection 26 is formed at the tip part of the second holding arm 22 to preventing the pulling out of the cassette within the cassette housing part 8.</p> |
