Just for Information:
...We hold that “an entire oscillator disposed upon said integrated circuit substrate” is “an oscillator located entirely on the same semiconductor substrate as the central processing unit that does not require a command input to change the clock frequency and whose frequency is not fixed by any external crystal."...
Federal Circuit Decision (Appeals Court) 22.3.2017
...the court RECOMMENDS construction of the term to reflect this disclaimer, as follows: “an [oscillator] located entirely on the same semiconductor substrate as the [central processing unit] that does not require a control signal and whose frequency is not fixed by any external crystal.”
Judge Grewal NDOC 22.Sept. 2015