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 ●The
improved radio transmitter can substantially
prevent inadvertent false operations, and therefore can be worn
all the time by the user without a concern about false operations.●The radio signal from the radio transmitter can reach a point 100m away if there are no obstructions. Therefore, the user can activate the system not only when the user is in the room but also when the user is outside the house. ●The radio transmitter is waterproofed for routine use. Therefore, the user may ware the transmitter when doing the kitchen work or even when taking a bath. ●The radio transmitter automatically sends a signal repetitively three times upon one push of the button provided, to ensure reliable system activation. |
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 ●The radio transmitter is designed to prevent natural discharge, and therefore the transmitter can carry out the automatic repetitive signal transmission (three signal transmissions) up to 100 times. ●The radio transmitters can be used up to 10 in one system. This can make the system best-fit to the use in an institution or the like where multiple users may need the transmitter. ●The transmitter is a wristwatch type equipped with an elastic stainless steel wrist band, which makes it easy even for a handicapped people to wear and take off the transmitter. ●The help signal transmitting unit is a universal type connectable to various types of telephone set, and therefore, existing telephone sets may be used. |
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 ●The
help signal transmitting unit can send audio
help call messages, which can make the system adapted for
a person with a hearing or speech impairment. ●The help signal transmitting unit repeats dialing unlimitedly until connection is made with all of the up to three recipients for each of the three communication channels to thereby achieve emergency notification reliably. ●The audio help call generation unit is equipped with a built-in rechargeable nickel-cadmium battery in order to achieve generation of help call messages even in case of a power failure. ●The audio help call generation unit generates help call messages of 100 dB which corresponds to the sound sensed under the railroad overpass, and therefore, the messages can reach quite a long distance. |
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 ●False operations are substantially avoided, and therefore rescue efforts can be focussed on true emergency notifications. (An average percentage of the number of true emergency notifications to the number of subscribers is only 0.83%.) ●Due to the user-definable messages transmitted via telephone line, no special system is required to recognize emergency notifications. ●The user-definable messages can allow a personnel at the emergency center to know the type of emergency. |
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