TELEVISION: HOW IT WORKS!
Summary: Scenes within a television station are used to explain the basic principles of television broadcasting and reception. Shows the operation of a cathode ray tube, an image orthicon tube, an electron gun, deflecting coils, and a syne-generator. Credits: Educational collaborator, Marvin Camras
Registration MP3305 Renewed
- Term began
- 1952-12-16
- Claimant
- John Smart
- Class
- MP — published motion picture other than a photoplay (numbering series begun Jan. 1950)
- Finding
- renewal RE74757 filed 1980-11-28 by Coronet Instructional Media (number+date; Copyright Office public records dataset, record 6972233)
- Enters the public domain
- 1 January 2048 (95 years from the 1952 publication)
A renewal registration for this work was found. The renewed term lasts 95 years from the original date, so the work remains under copyright.
Renewal RE74757 (link: number+date, title similarity 1.00)
- Renewal claimant
- Coronet Instructional Media (PWH)
- Renewal date
- 1980-11-28
- Original cited
- MP3305 / 1952-12-16
- Source
- U.S. Copyright Office public records dataset (renewals registered 1978–2025, January 2026 release), control number 6972233: record in the Copyright Public Records System
Structured record, not OCR: renewal number RE74757, registered 1980-11-28, for original registration MP3305 published 1952-12-16.
Catalog entry
Catalog of Copyright Entries, Third Series, Parts 12–13: Motion Pictures, 1953, Internet Archive catalogofcopyrig371213lib (OCR text), lines 20755–20765.
Summary: Scenes within a television sta- tion are used to explain the basic principles of television broadcasting and reception. Shows the operation of a cathode ray tube, an image orthicon tube, an electron gun, de- flecting coils, and a syne-generator. Credits: Educational collaborator, Marvin Camras. © John Smart; 16Dec52; MP3305.
Copies on the Internet Archive
Not searched yet.