| 摘要 |
Dispensing and recording device for food and drink in the catering industry, with a lock which can be opened by means of various keys (7) assigned to the waiters and which contains counters (9) which can be activated selectively, by means of individual soft-iron coding elements (14, 18) provided in the keys (7), by switches which are designed as Hall generators (17a to 17f) and which are assigned adjusting magnets (16a to 16f) which have permanent magnets (11a to 11f) assigned to them and which counteract the magnetic fields of the permanent magnets. <IMAGE>
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