苹果发布疑似iWatch智能手表专利应用

元器件交易网讯 3月14日消息，据外媒报道，苹果于3月13日发布带有美国专利和商标局(USPTO)的腕式步程器专利应用。据文件显示，这款产品疑似传闻中的苹果iWatch，而不是步程计。

这款美国专利应用#20140074431—“腕式步程计检测”的专利显示了获得精确的步数计算的方法。很明显，从手腕步程计与胸部步程计获得精确的记步方法很难。这项专利描述的设备似乎与智能手表的功能特点相近。

专利显示，步程时间和计步器上的加速度计相结合的算法,可以算出由于手臂摆动引起的重力而错过多少步数。专利还解释了用户可以切换的计步器设置从手腕附近转移到胸部。该设备可以读取加速计自动决定这两种设置哪种更合理，甚至可以决定用户是在跑还是步行。

这个专利申请还提到，步程计可能包含许多智能手表的功能比如配置数据和图像处理器，还包括内存、光线和距离传感器。专利还提到如GPS、温度传感器、生物传感器、静止摄影和视频捕获摄像头、面部识别、语音控制和拨接电话等功能。除了一些触摸屏输入选项，文件还显示，该设备将“一个或多个按钮、摇杆开关、滚轮、红外线接口、USB接口和一个指针设备”。步程计将支持GSM、GPRS、EDGE、Wi-Fi、蓝牙和WiMax连接。

这个专利应用中的设备听起来像众人渴盼已久的智能手表iWatch，而不是步程计。苹果公司目前对iWatch智能手表的传言保持着相当的沉默，预计这款产品将会在今年的某个时间公布。（元器件交易网董蕾 译）

外媒原文如下：

Apple"s application with the USPTO for a wrist-worn pedometer was released on Thursday. United States Patent Application #20140074431, "Wrist Pedometer Step Detection", reveals methods of obtaining an accurate step count for a wrist-mounted pedometer. Apparently, it is harder to obtain an accurate step count from a pedometer worn near the wrist as opposed to a pedometer worn near the chest. The patent also seems to be describing a device that might be closer to a smartwatch with all of its features and capabilities.

The patent reveals that a combination of algorithms, between-step timing and the accelerometer on the pedometer, can count how many steps might have been missed due to the G forces caused by arm swinging. The patent also explains how the user can switch the settings on the pedometer from on-wrist to near on-torso use. The device itself can automatically determine which of the two settings is appropriate based on readings from the accelerometer. And the pedometer can even determine if the user is running or walking.

This patent application also mentions that the pedometer could incorporate a number of features that you might find in a smartwatch, such as housing a processor for both data and images. The pedometer also would include memory, and light and proximity sensors. The patent also mentions features like GPS, temperature sensors, a "biometric sensor", a camera for both still photography and video capture, facial recognition, voice control and the ability to make or take calls. Besides a number of touchscreen input options, the filing says that the device will have "one or more buttons, rocker switches, thumb-wheel, infrared port, USB port, and/or a pointer device such as a stylus." The pedometer will support connectivity via GSM, GPRS, EDGE, Wi-Fi, Bluetooth and WiMax.

The device in the patent application sounds suspiciously like the eagerly awaited Apple iWatch instead of a pedometer. The Cupertino based tech titan has been extremely quiet about its rumored smartwatch, but the timepiece is still expected to be released some time this year.

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