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Phone with ambient temperature sensor and display
| Details |
Inventors: MacFarlane, Jeanine Marie;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Trost; William
Assistant Examiner: Rampuria; Sharad
Attorney, Agent or Firm: Burrus, IV; Philip H.
This invention includes a battery pack having an environmental sensor. The battery pack can be coupled to an electronic communications device like a cellular telephone. The battery pack transmits an electronic signal corresponding to the environmental conditions through mating contacts to the electronic communications device so that it may display the information to a user. Alternatively, the display screen can be integrated into the battery pack such that the battery pack itself is an environmental sensor. The types of environmental sensors that may be used include ambient temperature, humidity, barometric pressure, smoke detectors, and pollen detectors. This invention also includes a system for measuring the ambient temperature with an electronic communication device that is an improvement over U.S. Pat. No. 5,603,101, in that the temperature sensor is disposed in the battery pack where the rechargeable cell can serve as an insulator from the heat generated by the electronic host device. |
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DETAILED DESCRIPTION OF THE INVENTION A preferred embodiment of the invention is now described in detail.
Referring to the drawings, like numbers indicate like parts throughout the views.
As used in the description herein and throughout the claims, the following terms take the meanings explicitly associated herein, unless the context clearly dictates otherwise: the meaning of "a," "an," and "the" includes plural reference, the meaning of "in" includes "in" and "on.
" This invention includes a portable electronic device having a detachable battery cell with a means for measuring ambient temperature.
The temperature sensor is coupled to the device through mating contacts on the phone and battery.
The temperature is then displayed on an indicator.
In one embodiment, the device may be a cellular telephone.
The user may hit one or more query keys causing the phone to take a temperature reading and display it on the screen.
For example, a person might press the "menu" button followed by the "1" key, which causes the phone to measure the temperature and display it on the screen.
In another embodiment, the ambient temperature may be measured and displayed continuously when the phone is not in use.
Referring now to FIG.
1, illustrated therein is a phone 100 having an antenna 101 for transmitting and receiving data and an indicator display 102.
The indicator display 102 may be a liquid crystal display (LCD), light emitting diode (LED) display, audible enunciator or other type of display.
The phone 100 includes buttons 103 for actuating the device.
The phone 100 includes a microprocessor 108 for running the embedded software associated with cellular phones.
U.
S.
Pat.
No.
5,603,101, entitled "Method of and apparatus for displaying temperature on a radio telephone", issued to Choi, incorporated herein by reference for all purposes, teaches such a device.
(This invention is an improvement upon that patent as the temperature sensor resides in a detachable battery pack.
) This improvement has many advantages over Choi
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