Apple's iPod Nano Pedometer Patent Application Sparks iWatch Speculation

Apple has been rumored for some time to be working on an "iWatch" featuring biometric sensors and integration with other iOS devices, and a recently published patent application (via AppleInsider) addressing pedometer functions is being presented as evidence that the company is indeed working on a wrist-worn fitness device.
In some implementations, optimizations for detecting steps when a pedometer is worn at a user's wrist are described. In some implementations, a threshold crossing step detection method can be enhanced for wrist locations by counting the number of positive peaks between comparison threshold crossings, adjusting a minimum peak-to-peak threshold for qualifying threshold crossings, and inferring a second step based on the amount of time between threshold crossings. In some implementations, the pedometer can automatically determine that the pedometer is being worn on a user's wrist.
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The problem with this interpretation is that Apple already offers a product with a built-in pedometer and which is frequently worn on the wrist or arm: the iPod nano with Nike+ integration. Also supporting the idea that this research was pursued with the iPod in mind is the fact that the sole inventor listed on the patent, Yash Modi, is open about his work on iPod pedometer functionality during his time at the company. Modi left Apple in March 2012 to join Nest.

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While such pedometer functionality is likely to make its way into the iWatch given rumors of emphasis on biometric sensors for the device, Apple's patent application is by no means a smoking gun given that the technology has been in use for a number of years already. The built-in pedometer debuted in the fifth-generation iPod nano introduced in September 2009.

Still, Apple's "Wrist Pedometer Step Detection" patent offers an interesting glimpse at how Apple has worked to optimize algorithms for detecting steps when a device is worn on the wrist. Unlike standard pedometers that are worn on the waist and provide consistent step data, the wrist adds complexity to step measurement because its motion is not always tied to actual forward movement. Algorithms analyzing wrist movement data must isolate actual steps from the background movement when users are typing, driving or performing other common tasks.

Apple's filtering method of step analysis accurately measures this movement and has the added benefit of being able to analyze movement from a device that is worn anywhere on the body. The software powering the device also can determine when a device is worn on the wrist or another body part and will adjust its analysis based on the device's location.

Apple is expected to unveil its iWatch wearable later this year with health and productivity features that connect the device to a user's iPhone or iPad via Siri and iOS 8's Healthbook app.

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Apple's Larger iPhone Design Said to Be Inspired by iPhone 5c and iPod Nano

Apple's much rumored larger iPhone is said to be a variation on the iPhone 5c rather than the iPhone 5s, according to a new report from Mac Otakara. Sources indicate that the larger iPhone would be an expansion to Apple's lineup rather than replacing the positions currently held by the iPhone 5s and 5c.

Mac Otakara's sources claim Apple has decided on 4.7-inch and 5.7-inch displays as potential candidates for new iPhone models that would launch later this year. These two sizes originally were singled out by Reuters in a report published last year.

This new iPhone model may keep the basic design of the iPhone 5c such as the rounded back edges, button designs, and speaker/microphone hole designs, with some inspiration from the seventh-generation iPod nano. The latest iPod nano models are available in a range of colors like the iPhone 5c, but feature an anodized aluminum design instead of polycarbonate.

Sources also claim the 4.7-inch iPhone will measure at 14x7 cm, while the 5.7-inch model will be larger with dimensions of 16x8 cm. Possibly both models will be 7 mm thick with a protruding rear camera as seen on the current iPod touch models, although it the report indicates that the final version of the phone could be expanded to 7.5 mm thick to match the thickness of the camera module. The design for the phones should already be complete for a launch later this year, so it is unclear if Mac Otakara's sources are sharing information from earlier in the design process or if there is simply still some uncertainty in the sources' information.

Rumors about Apple's next generation iPhone have been scattered, with reports suggesting the iPhone 6 will adopt a "bezel-free" display and a 10-megapixel or higher camera module with an improved filter. A sketchy report from earlier this year also claimed Apple was working on an iPhone with a 5.6-inch display that would not be marketed with the iPhone name because of its experimental nature.

Mac Otakara has a reasonably strong rumor track record, correctly predicting the dual-LED flash for the iPhone 5s and the designs for the fifth-generation iPod touch and seventh-generation iPod nano.

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