Apple has filed a patent (number 20130178246) at the U.S. Patent & Trademark Office for enabling the speaker phone mode of a portable communications device? having a built-in camera. In other words, your iPhone would use its camera to tun on speaker mode in certain situations.
In one embodiment, the speaker phone mode is activated if it is determined that an image captured by tire device is black or nearly black, which indicates that the device is placed flat or nearly flat against surface. In one embodiment, the speaker phone mode is activated based on the results of comparing the captured image to a plurality of previously stored captured images wherein the previously stored captured images include images captured by the device in situations where it would be desirable for the speaker phone mode to be activated. In one embodiment, the speaker phone mode is activated based on a comparison of a captured image and previously stored captured images and their respective speaker phone mode statuses. Other embodiments are also described.
FIG. 1 shows a perspective view of an illustrative mobile device in which an embodiment of the invention may be implemented.
Here?s Apple?s background on the invention: ?As their popularity increases, portable or mobile electronic devices such as cellular phones have been growing in complexity. In addition to supporting wireless voice communications, devices, such as the iPhone multifunction device by Apple Inc., may feature a built-in digital camera to capture and playback video or still images.
?Many cellular telephone devices today also feature a speaker phone that is activated manually by its user. The speaker phone allows the user to continue with a cellular telephone conversation without having to hold the device to his ear. In other words, the speaker phone allows the user to use the device in a ?hands-free? manner.
?For example, a user who is busy working on a computer at the office can leave his cellular telephone device on his desk and manually activate the speaker phone to receive calls. Using the speaker phone, the user is able to carry on with his work on the computer (i.e., typing on the keyboard or manipulating the mouse).
?In another example, a user who is driving a car needs to operate his cellular telephone device in a hands-free manner. Accordingly, the user can manually activate the speaker phone on his cellular device and place the device at a proximate location such as, for example, in the cup holder. In this manner, the user can have a cellular telephone conversation in the car while operating the car using both his hands.?
Anand Sethuraman and E-Cheng Chang are the inventors.
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