Planar inverted-F wing antenna for wireless culinary appliances
First Claim
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1. A Planar Inverted-F Wing Antenna (PIFWA) device comprising:
- a feed end;
a shorting end opposite said feed end;
a single feed section between a first slot and a second slot;
a first wing section on a side of said first slot opposite said feed section; and
a second wing section on a side of said second slot opposite said single feed section;
wherein dimensions of said PIFWA comprise;
a shorting edge width approximately equal to a slot length;
an overall length approximately equal to an overall width;
a slot width approximately equal to one fifth of a wing end width; and
a feed leg width approximately one third of said slot width;
wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side;
said PIFWA device is located proximate a culinary appliance.
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Abstract
A Planar Inverted-F Wing Antenna (PIFWA) device, system, and method used for commercial and residential induction cooking tops, ovens, combo-steamers, and pressure cookers. The outline of the PIFWA is an isosceles triangle with a truncated vertex end opposite the base side. The PIFWA transmits and receives (TX/RX) signals with wireless sensors including Surface Acoustic Wave (SAW) devices. The antenna comprises a device, system, and method to monitor the cooking process and temperature of food. Embodiments of the PIFWA antenna operate at about 433 MHz, have a feed between two slots, and a shorting plate at the opposing end. Antenna location and alignment within the culinary appliance provides uniform signal strength and gain performance in the regions occupied by one or more sensors.
10 Citations
21 Claims
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1. A Planar Inverted-F Wing Antenna (PIFWA) device comprising:
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a feed end; a shorting end opposite said feed end; a single feed section between a first slot and a second slot; a first wing section on a side of said first slot opposite said feed section; and a second wing section on a side of said second slot opposite said single feed section; wherein dimensions of said PIFWA comprise; a shorting edge width approximately equal to a slot length; an overall length approximately equal to an overall width; a slot width approximately equal to one fifth of a wing end width; and a feed leg width approximately one third of said slot width; wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side; said PIFWA device is located proximate a culinary appliance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for measuring physical parameter values with a culinary appliance comprising the steps of:
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providing at least one Planar Inverted-F Wing Antenna (PIFWA) proximate said culinary appliance; wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side; wherein dimensions of said PIFWA comprise; a shorting edge width approximately equal to a slot length; an overall length approximately equal to an overall width; a slot width approximately equal to one fifth of a wing end width; and a feed leg width approximately one third of said slot width; transmitting at least one RF signal from said at least one PIFWA; receiving at at least one wireless sensor, said RF signal transmitted from said PIFWA; radiating from said at least one wireless sensor, at least one RF signal; receiving, at said at least one PIFWA, said radiated signal from said at least one wireless sensor; said at least one RF signal transmitted from said at least one PIFWA and said at least one RF signal radiated from said at least one wireless sensor corresponding to said measured physical parameter values. - View Dependent Claims (15, 16, 17, 18)
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19. A system for measuring physical parameter values with a culinary appliance with a Planar Inverted-F Wing Antenna (PIFWA) comprising:
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a PIFWA feed end; a PIFWA shorting end opposite said feed end; a PIFWA feed section between a first slot and a second slot, said single feed section extending beyond line of a base side; a PIFWA first wing section on a side of said first slot opposite said feed section; a PIFWA second wing section on a side of said second slot opposite said feed section; wherein dimensions of said PIFWA comprise; a shorting edge width approximately equal to a slot length; an overall length approximately equal to an overall width; a slot width approximately equal to one fifth of a wing end width; and a feed leg width approximately one third of said slot width; wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side; said PIFWA is located proximate a culinary appliance; and said PIFWA providing RF communication with a surface acoustic wave (SAW) sensor whereby values of measurements made by said sensor are used to control power of said culinary appliance.
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20. A Planar Inverted-F Wing Antenna (PIFWA) device comprising:
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a feed end; a shorting end opposite said feed end; a single feed section between a first slot and a second slot; a first wing section on a side of said first slot opposite said feed section; and a second wing section on a side of said second slot opposite said single feed section; wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side; and wherein a feed side of said PIFWA is aligned perpendicular to an adjacent side of a cooktop, located proximate a corner of said cooktop.
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21. A Planar Inverted-F Wing Antenna (PIFWA) device comprising:
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a feed end; a shorting end opposite said feed end; a single feed section between a first slot and a second slot; a first wing section on a side of said first slot opposite said feed section; and a second wing section on a side of said second slot opposite said single feed section; wherein outline configuration of said PIFWA in plane of said PIFWA is an isosceles triangle with a truncated vertex end opposite a base side; and wherein said PIFWA is located within a cooktop, said location comprising; a shorting edge of said shorting end, said shorting edge parallel to and separated from a first inner side of said cooktop by about 76.8 mm measured perpendicular to said shorting edge; a corner of said first wing, said corner of said first wing proximate a second inner side of said cooktop, said corner of said first wing separated from said second inner side of said cooktop by about 8.8 mm.
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Specification
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Current AssigneeMicrosemi Corporation (Microchip Technology Incorporated)
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Original AssigneeMicrosemi Corporation (Microchip Technology Incorporated)
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InventorsSabah, Sabah
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Primary Examiner(s)Han, Jessica
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Assistant Examiner(s)Tran, Hai
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Application NumberUS14/933,681Publication NumberTime in Patent Office852 DaysField of Search343700 MS, 343770, 343702, 343725US Class CurrentCPC Class CodesG01K 11/265 using surface acoustic wave...G01K 2207/06 for preparation purposesH01Q 1/22 by structural association w...H01Q 9/0421 with a shorting wall or a s...H05B 2213/07 Heating plates with tempera...
