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US 6,788,486 B1Granted
Tape cassette with memory device including memory and antenna for wireless communication with another antenna in audio/image recording and reproducing system
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorAkihira Sakai
Life of this patent
Estimating the term…
Abstract
A tape cassette includes a magnetic tape, a cassette housing in which the magnetic tape is housed, and a memory device attached to the housing. The memory device stores features of data recorded in the magnetic tape. Also, the features include image data, audio data, and control data.
Claims4
An audio/image recording and reproducing apparatus for use with a tape cassette having magnetic tape and a memory device, said audio/image recording and reproducing apparatus comprising:
- a reading element operable to read information recorded in the memory device of the tape cassette when the tape cassette is mounted in said audio/image recording and reproducing apparatus;
- and
- a writing element, wherein, when a stop and still operation is performed for the magnetic tape, said writing element calculates a total time for stop and still operations at a portion of the magnetic tape where the stop and still operation has been made and then memorizes a time code and a tape residue for a frame of the portion and a total time and a number of stop and still operations performed at the frame of the portion, and wherein, when an error has occurred in a portion of the magnetic tape during reproduction, said writing element records a time code and a tape residue for a frame of the portion and then records an error rate, a record format, and a warning message in the memory device.
Dependencies are inferred from the claim text.