Communications: electrical – Continuously variable indicating – With meter reading
Patent
1994-12-21
1999-08-31
O'Shea, Sandra
Communications: electrical
Continuously variable indicating
With meter reading
H04Q 900
Patent
active
059459182
ABSTRACT:
This invention enables a user to locate a missing remote control unit for an appliance, such as a television set, by causing the missing unit to emit an alarm. The television set includes a transmitter which is controlled by a switch mounted on the television cabinet. The remote control unit includes a receiver, capable of detecting a signal from the transmitter. The receiver activates an alarm, which can be audible, visible, or both. When the switch is depressed, and if the remote control unit is within range, the alarm will be activated, and the unit is easily located. The transmitter can be controlled by a timer which governs the period during which the alarm sounds. Also, the transmitter can be connected to a lamp, or other indicator, to show the user when the transmitter is operating. The transmitter and switch can be built into the television cabinet, or they can be housed in a separate unit which is attached to the cabinet. The remote control unit is powered by a battery, and includes a device for sensing when the battery current is low, and for activating the alarm when that condition occurs. In another embodiment, the circuit automatically switches the battery on and off, the battery delivering current only for a fraction of the operating time, thus prolonging the interval between required battery replacements.
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Gillen Adelbert M.
McGonigal Mark G.
Jacobson Allan
McGonigal Mark G.
O'shea Sandra
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