creator Camras, Marvin Monochrome and color television recording and playback circuitry for coupling of a video magnetic transducer head with a standard broadcast television receiver, the circuitry including a coupling capacitor and means for supplying electric charge to one terminal of the capaictor, a record-playback switch connected between the other terminal of the capacitor and one terminal of the head winding, and a resistor for maintaining the other terminal of the capacitor substantially at ground potential while the switch is in playback position to prevent surges of current through the head winding during switching. Submitted by Aric Ahrens (ahrens@iit.edu) on 2011-11-09T18:13:30Z No. of bitstreams: 1 3833920.pdf: 214892 bytes, checksum: 06238fed37bfdf37112fb3b5f786bc54 (MD5) Made available in DSpace on 2011-11-09T18:13:30Z (GMT). No. of bitstreams: 1 3833920.pdf: 214892 bytes, checksum: 06238fed37bfdf37112fb3b5f786bc54 (MD5) Previous issue date: 1974-09-03 IIT Research Institute 2009-05-04 1974-09-03 3,833,920 http://hdl.handle.net/10560/2311 en United States Patent Patent reformatted digital application/pdf No Copyright - United States http://rightsstatements.org/page/NoC-US/1.0/ Open Access