The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 1990
Filed:
Sep. 28, 1989
Mohammed Siddiq, San Jose, CA (US);
Tandy Corporation, Fort Worth, TX (US);
Abstract
A multifunctional cleaning tape (2) is used as part of a video cassette (7) for cleaning the magnetic head of a VCR (12) and providing diagnostic/instructional information to the user. The tape includes a first, non-magnetic cleaning segment (4) for cleaning the magnetic head followed by a magnetic diagnostic/instructional segment (6) containing prerecorded diagnostic/instructional information which is played to the user. The diagnostic/instructional information includes information relating to the cleanliness of the magnetic head and for adjusting the VCR for improved visual and audio output and tape tracking. The transition to the diagnostic/instructional segment is hidden be recording electronic noise at the initial portion (26) of such segment.