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US 4,788,712 AGranted
Howler indicator in cordless telephone system
AssigneeKabushiki Kaisha Toshiba
InventorsYuji Umemoto, Akio Toki
Life of this patent
Estimating the term…
Abstract
In a howler indicator of a cordless telephone system, a howler signal is detected by a howler signal detecting means provided in the master device, the mobile device is informed of the detection of the howler signal by a predetermined command signal transmitted from the master device through a radio line, and in response to this an indicating means provided in the mobile device is activated to prompt the operator to replace or hang up the mobile device correctly for the purpose of putting the mobile device in the ON-HOOK state.
Claims9
A howler indicator in a cordless telephone system comprising:
- a master device connected to a subscriber's line;
- a mobile device connected through a radio line to said master device;
- means provided in the master device for detecting a howler signal applied thereto through said line;
- means provided in said mobile device for informing an operator of on-hook prompting;
- means for transmitting a predetermined command signal indication of presence of said howler signal detected by said howler signal detecting means from the master device through said radio line to the mobile device;
- and
- means for initiating said informing means in response to said command signal transmitted from the master device.
4 more elements
Dependencies are inferred from the claim text.