Patent US 3,930,570

An automatic line finder and line counter apparatus is provided for use with an automatic typewriter system of the type including a typewriter and a magnetic record unit. The line finder and line counter comprises thumbwheel switches, a counter, and logic circuit means responsive to signals from the counter and the automatic typewriter system for controlling the line spacing or indexing mechanism of the typewriter. When the typewriter system is not in the automatic playback mode in the line finder and line counter apparatus performs normal line finding and normal line counting. When the system is in the automatic playback mode the line find and line counter apparatus performs automatic line finding and automatic line counting. Automatic line finding permits unattended continuous playback of variable length messages on constant length continuous forms.