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Device and method for displaying track characteristics
| Details |
Inventors: Walters, Thomas H.;
Assignee: Garmin Ltd. (KN)
Primary Examiner: Phan; Dao
Assistant Examiner:
Attorney, Agent or Firm: Rolf; Devon A.
A portable, handheld GPS unit (10) is operable to generate a track log corresponding a track traversed by a user and display a track display representative of the track traversed. The track display includes at least one track characteristic indicative of a feature sensed by at least one sensor (26) coupled with the GPS unit (10). The track characteristic of the track display varies in response to a change in the feature sensed by the sensor. For example, the track display may display a track of varying width, such that an increase in the track's width corresponds to an increase in the feature, and a decrease in the track's width corresponds to a decrease in the feature. Alternatively, the characteristic may be a track color change or a symbol indicating a predetermined amount change in the feature. The sensed feature may include altitude, distance, heart rate, temperature, light intensity, and oxygen content. In a first preferred embodiment, the sensor (26) is an altimeter (26) for determining an altitude of the GPS unit (10). In a second preferred embodiment, the sensor (126) is a sonar transducer (126) for determining a depth of a body of water. In a third preferred embodiment, the sensor (226) is a heart rate monitor (226)for determining a heart rate of the user. Additionally, the GPS unit (10) may be combined with a plurality of sensors (26, 126,226) for determining and displaying an indication of multiple features sensed by the sensors (26, 126,226). |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Turning now to the drawing figures, and particularly FIGS.
1 and 2, a portable GPS unit 10 constructed in accordance with preferred embodiments of the invention is illustrated.
As illustrated in FIGS.
1 and 3, the GPS unit 10 broadly comprises a portable, handheld housing 12 for housing or supporting components of the GPS unit 10; an input 14; a GPS receiver 16; a processor 18; a GPS antenna 20; a memory 22; a display 24; and an optional additional sensor(s) 26.
The housing 12 is preferably made of plastic or other similar material and is sized to be handheld, portable, and to substantially fit within a palm of a hand of a user or be worn by the user, such as in a hat or on an armband.
Alternatively, the housing 12 is operable to be mounted to a dashboard of an automobile or to a boat, bicycle, or other mode of transportation.
The input 14 is positioned on an exterior of the housing 12.
Preferably, the input 14 comprises a plurality of control buttons 28, as illustrated in FIGS.
1 and 2, which may be used to operate drop-down menus to select and input names or other identifiers.
Alternatively, the input 14 may be an alphanumeric keypad (not shown), such as a telephone keypad, which may be used to type in names, identifiers, and text, or the input 14 may be a touch screen (not shown).
The GPS receiver 16 is positioned within the housing 12 and is operable to receive satellite signals from a plurality of satellites.
The GPS receiver 16 is electronically coupled with the processor 18, and the processor 18 is operable to calculate a location of the GPS unit 10 as a function of the satellite signals.
The GPS receiver 16 receives the satellite signals using the GPS antenna 20, such as a GPS patch antenna, which is electronically coupled with the GPS receiver 16 and positioned within the housing 12.
The memory 22 is electronically coupled with the processor 18 and is operable to store information, such as cartographic data (i.
e.
electronic maps)
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Exercise Devices 
