Planning clock e.g. for teaching and aiding mentally handicapped people - uses twenty four hour mechanism, and presents day as single circle with events marked on circle periphery

摘要

The clock comprises a 24-hour clock face (1) with hour (2), minute (8) and second (3) hands, and a marking system for visual presentation of events. A marking system (4) is connected along the clock face (1) periphery, constructed by sections (4) for visual presentation of a specific time interval, with simultaneous presentation of the actual time with the aid of numbers, using one and the same indicator (2). The marking system (4) around the clock face (1) periphery is releasable, and can be replaced with markings (4) contg. another type of information.