The ownership of a copyright, or the ownership of any of the five exclusive rights afforded by a copyright (discussed later in this article), can be transferred to another and is regarded as Personal Property upon the death of the copyright holder.
For a 65-inch screen, the distance increases to 77 inches, or 6.4 feet. For an 80-inch screen, it's 95 inches, or 7.9 feet. You can do the math in reverse if you're trying to select a screen size for a predetermined viewing distance: Viewing Distance x 0.84 = Screen Size.
Generally, the distance of your couch to your TV should be between 1.2 and 1.6 times the diagonal measurement of your screen. So if your couch is six feet away from your screen, you can comfortably watch an TV between 42 and 60 inches. If your couch is five feet away, a 37- to 52-inch screen should work well.