Electronic clinical thermometer
First Claim
1. A combination of an electronic clinical thermometer and a charger,the electronic clinical thermometer comprising:
- (a) a circuit for measuring and displaying the temperature of a portion being measured;
(b) a secondary battery for supplying electric power to said circuit;
(c) rectifier means connected to said secondary battery;
(d) a power receiving coil connected to said rectifier means for inducing a voltage in response to a change in an external magnetic field applied to said power receiving coil; and
(e) a hollow elongated bar-shaped casing housing said circuit, said secondary batter, said rectifier means, and said power receiving coil, said power receiving coil being positioned at an axial position of said casing in the vicinity of a support edge determined by a receiving means, whereby said secondary battery can be charged by voltage induced in said power receiving coil in response to a change in the external magnetic field; and
the charger which functions as said receiving means for the electronic clinical thermometer, comprising;
(a) a casing means defining a cavity for receiving said electronic clinical thermometer therein, said cavity being sufficiently large for allowing said electronic clinical thermometer accommodated substantially vertically therein to be obliquely inclined;
(b) said casing means defining said supporting edge against which an obliquely inclined electronic clinical thermometer which is accommodated obliquely in said cavity may bear, said supporting edge being substantially in alignment with said power receiving coil of a thermometer accommodated in said cavity of said casing means; and
(c) power transmitting coils disposed adjacent to said supporting edge at spaced intervals, whereby mutual inductance with low statistical dispersion can be formed between said power transmitting and receiving coils when said thermometer is accommodated in said container means.
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Accused Products
Abstract
An electronic clinical thermometer comprises a circuit for measuring and displaying the temperature of a portion being measured, a secondary battery for supplying electric power to the circuit, rectifier means connected to the secondary battery, a power receiving coil connected to the rectifier means for inducing a voltage in response to a change in an external magnetic field applied to the power receiving coil, and a hollow bar-shaped casing housing the circuit, the secondary battery, the rectifier means, and the power receiving coil. The secondary battery can be charged efficiently through the power receiving coil in response to the change in the external magnetic field. An apparatus for charging the electronic clinical thermometer comprises container means having a cylindrical cavity for accommodating a plurality of electronic clinical thermometers, a power transmitting coil disposed around the cylindrical cavity, and a.c. supply means for supplying an alternating current to the power transmitting coil, whereby the secondary battery can be charged by exciting the power receiving coil through inductive coupling between the power transmitting and receiving coils with the power transmitting coil positioned closely to the power receiving coil in the electronic clinical thermometer that is accommodated in the cylindrical cavity.
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Citations
11 Claims
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1. A combination of an electronic clinical thermometer and a charger,
the electronic clinical thermometer comprising: -
(a) a circuit for measuring and displaying the temperature of a portion being measured; (b) a secondary battery for supplying electric power to said circuit; (c) rectifier means connected to said secondary battery; (d) a power receiving coil connected to said rectifier means for inducing a voltage in response to a change in an external magnetic field applied to said power receiving coil; and (e) a hollow elongated bar-shaped casing housing said circuit, said secondary batter, said rectifier means, and said power receiving coil, said power receiving coil being positioned at an axial position of said casing in the vicinity of a support edge determined by a receiving means, whereby said secondary battery can be charged by voltage induced in said power receiving coil in response to a change in the external magnetic field; and the charger which functions as said receiving means for the electronic clinical thermometer, comprising; (a) a casing means defining a cavity for receiving said electronic clinical thermometer therein, said cavity being sufficiently large for allowing said electronic clinical thermometer accommodated substantially vertically therein to be obliquely inclined; (b) said casing means defining said supporting edge against which an obliquely inclined electronic clinical thermometer which is accommodated obliquely in said cavity may bear, said supporting edge being substantially in alignment with said power receiving coil of a thermometer accommodated in said cavity of said casing means; and (c) power transmitting coils disposed adjacent to said supporting edge at spaced intervals, whereby mutual inductance with low statistical dispersion can be formed between said power transmitting and receiving coils when said thermometer is accommodated in said container means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification