A pen register is an electronic device that records all numbers called from a particular telephone line. The term has come to include any device or program that performs similar functions to an original pen register, including programs monitoring Internet communications.
The United States statutes governing pen registers are codified under 18 U.S.C., Chapter 206.
Read more about Pen Register: Definitions, Background, Pen Register Act, USA-PATRIOT Act, NSA Call Database Controversy, Pen Registers in Popular Culture
Famous quotes containing the words pen and/or register:
“Prove that ever I lose more blood with love than I will get again with drinking, pick out mine eyes with a ballad-maker’s pen and hang me up at the door of a brothel-house for the sign of blind Cupid.”
—William Shakespeare (1564–1616)
“Never to walk from the station’s lamps and laurels
Carrying my father’s lean old leather case
Crumbling like the register at the hotel....”
—Philip Larkin (1922–1986)