OPTICAL METHOD AND DEVICE FOR ALARM AND CLOCK
PURPOSE:To awake a sleeping person in a comfortable manner by application of light by an appropriate illuminating means by utilizing the physiological characteristic of a human body for the light. CONSTITUTION:A start signal S1 is generated by a timer 1 at a time set beforehand, and a voltage contro...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | PURPOSE:To awake a sleeping person in a comfortable manner by application of light by an appropriate illuminating means by utilizing the physiological characteristic of a human body for the light. CONSTITUTION:A start signal S1 is generated by a timer 1 at a time set beforehand, and a voltage control circuit 2 receiving the start signal S1 generates a voltage and outputs a predetermined pattern voltage for impression with the voltage changed with time. A lamp 3 receiving the impression of the predetermined pattern voltage is lighted, and the quantity of emitted light is increased and decreased with time. |
|---|