Patent ID: 6618545
Filing Date: 2003-09-09
Classification: G11B,H04N

Abstract:
A digital data recording and reproducing apparatus comprising:(a) magnetic recording and reproducing means for recording and reproducing a video signal by using a magnetic tape set in a cassette; (b) cassette number registering means for applying different cassette numbers for respective cassettes; (c) display number registering means for selecting a smallest number from unused display numbers and applying said selected number as a new display number which corresponds to a cassette number, wherein said display number is a number recognized by a user; (d) cassette number extracting means for extracting a cassette number from the character data inserting region of the video output signal of said magnetic recording and reproducing means; (e) memory means for storing program data including a cassette number and a display number; (f) correspondence control means for giving and receiving program data to and from said storing means for searching, adding and deleting program data originated from said cassette number registering means, said display number registering means and said cassette number extracting means; and (g) cassette number inserting means for inserting a cassette number in the form of a digital signal into the character data inserting region of a video signal for feeding the signal of said cassette number into said magnetic recording and reproducing means.