Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
1999-09-09
2001-02-20
Lieu, Julie (Department: 2736)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S635000
Reexamination Certificate
active
06191695
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a gas station with an electromagnetic-wave sensor, more precisely a gas station wherein electromagnetic waves, which are generated by a portable phone or like, are detected by a sensor therefor and the detection is notified to people by the provision of communicators.
2. Discussion of Related Art
Recently, a medium for movable-body-communication, in particular a portable telephone, has rapidly spread. The electromagnetic waves come out of media for such movable-body-communication, especially of portable telephones, however, often cause problems, for instance causing machinery to function improperly.
A weak electric current generates on a portable telephone in the case of the outgoing and incoming communication. In a gas station where fuel runs from a fueling port and fuel vapor remains around fueling units, it is desirable to identify the use of portable telephones so that appropriate safety measures can be taken.
In a gas station hitherto, customers or clerks may use portable telephones by mistake even though notice not to use the telephones has been made, or in some cases, portable telephones which have been left without cutting the power supply receive messages. In known gas stations, it is not possible to completely prevent the generation of unwanted electromagnetic waves.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide a gas station where electromagnetic waves generated by a portable telephone or the like are readily detected, and the detection is signaled.
The above object of the present invention can be achieved by a gas station comprising one or more fueling units; an electromagnetic-wave sensor for detecting electromagnetic waves which are unwanted in fueling operation; and one or more communicators for indicated the electromagnetic-wave detection by the electromagnetic-wave sensor, the electromagnetic-wave sensor being provided outside the fueling units.
The object of the present invention can be achieved also by a gas station comprising one or more fueling units; one or more electromagnetic-wave sensors for detecting electromagnetic waves which are unwanted for fueling operation; and one or more communicators for indicating the electromagnetic-wave detection by the electromagnetic-wave sensor, each of the fueling units containing the electromagnetic-wave sensor.
REFERENCES:
patent: 5403205 (1995-04-01), Hashiguchi
Lieu Julie
Tatsuno Corporation
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