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US 5,861,808 AGranted
Motion sensitive reminder
OwnerRoger W. Lehmann, Michael I. Satteninventors
Life of this patent
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Abstract
A compact motion sensitive reminder device that is readily attachable to almost any movable item that emits an audio signal when the item is initially moved from a stationary condition and then remains silent during the item's use, and emits the audio signal again only after a certain amount of time that the movable item has remained stationary.
Claims16
An apparatus for providing an audible signal each time an item that is movable is moved from a stationary state, said apparatus comprising:
- a housing;
- means for releasably coupling said housing to the movable item;
- said housing comprising:
- an audio transducer for emitting said audible signal;
- a sensor that generates a signal representative of movement of the movable item;
- and
- a control means coupled to said audio transducer and to said sensor for controlling said audio transducer emission, said control means activating said audio transducer for a certain amount of time and then deactivates said audio transducer each time said control means receives said sensor signal following a predetermined period of time that the item has remained stationary.
4 more elements
A method for providing an audible signal each time an item has been moved from a stationary state, said method comprising the steps of:
- coupling an audio transducer to the item, said audio transducer emitting an audible signal when activated by a control means coupled thereto;
- detecting movement of the item using a sensor, coupled to the item and to said control means, that generates a signal representative of the movement of the item;
- and
- activating said audio transducer by said control means for a certain amount of time and then deactivates said audio transducer each time the item has been initially moved following a predetermined period of time that the item has remained stationary.
1 more element
Dependencies are inferred from the claim text.