They're easily missed about the mass of Apple patent applications revealed each year, but the company has filed a few regarding projectors (pico projectors, specifically), and the latest one to be published has now offered a few more details on how they might all fit together. That application boasts the rather broad title of "projector system and methods," and basically describes a setup that would let various devices (including a laptop or phone) remotely interact with a projector, which could itself be built into a device like a phone. To do that, each device in question would be equipped with a sensor of some sort that would be able to receive data from the projector, and even allow you to do fairly advanced things like calibrate the projector remotely. The application further goes on to detail how the system could accommodate multiple clients -- letting folks overlay multiple images on a single presentation, for example -- and it would apparently be able to receive and broadcast audio between multiple clients as well. Does this mean you'll soon be able to control your pico projector-equipped iPhone from your sensor-equipped MacBook? Probably not, but it may not be quite as far fetched as some of Apple's other patent applications.