Richard C Aubert

39625320, Jun 8, 1976

Apr 18, 1975

5/569346

Richard C. Aubert - Chicago IL
George R. Dean - Chicago IL
James B. Ricks - Evanston IL
John W. Wade - Mount Prospect IL

Bell & Howell Company - Chicago IL

H04N 700

178 56

The disclosure relates to a selectively operable power supply for a recording system of the type which includes tuning and intermediate frequency sections for receiving and converting transmitted television signals into composite video and audio signals and a recorder for recording the composite video and audio television signals onto a recording medium. The power supply comprises a timer including a switch which is selectively operable for providing an A. C. line voltage when its contacts are closed at preselected times and a receptacle coupled to the switch and adapted to receive the power input of the recorder for powering the recorder at the preselected times and a rectifier and filter coupled to the switch for powering the tuning and intermediate frequency sections with filtered DC voltage at the preselected times.