Video recorder
AssigneeU.S. Philips Corporation
InventorJohn R. Kinghorn
Life of this patent
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Abstract
A tape indexing arrangement for video recorders records the index on the tape using standard broadcast teletext codes. When a tape is inserted, the contents list it contains is written onto an index RAM in the recorder (200). When a new program is recorded, a program identification is generated from PDC or EPG data (202). At a suitable later time, the contents of the index RAM are recorded on the tape (204).
Claims10
A method of controlling a video recorder according to the VHS standard, the video recorder including means for decoding data defining displayable text and/or control functions recorded on a tape as a multilevel code at a data rate lower than that of the original data and within the bandwidth of the recorder, wherein the data includes row and column address codes for defining cursor positions on a display screen of an associated television receiver and function codes defining tasks to be performed on initiation of a command instruction when the cursor is displayed at a given location, the method comprising the steps:
- reading data from the tape;
- positioning the cursor at a desired one of the defined positions on the display screen;
- and
- initiating the task to be performed using the function codes associated with the cursor location.
A video recorder according to the VHS standard comprising:
- means for reading and decoding data defining displayable text and/or control functions recorded on a tape as a multilevel code at a data rate lower than that of the original data and within the bandwidth of the recorder, the data including row and column address information for defining cursor positions on a screen of associated display apparatus and function codes associated with the cursor positions;
- means for enabling a user to position the cursor at a desired position on the display screen;
- means for receiving command instructions from a user;
- and
- means for performing the commands using the function codes associated with the cursor position.
Dependencies are inferred from the claim text.