Visual ring indicator
An automatic visual ring indicator for telephone station sets which includes a mechanical indicator element viewable through a window in the telephone housing. The indicator element assumes its on position in response to the ringing action of the telephone. The off position of the indicator element...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An automatic visual ring indicator for telephone station sets which includes a mechanical indicator element viewable through a window in the telephone housing. The indicator element assumes its on position in response to the ringing action of the telephone. The off position of the indicator element is resumed in response to switchhook motion as in removal of the telephone handset. |
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