G - Physics – 11 – B
Patent
G - Physics
11
B
350/40, 352/10.4
G11B 27/02 (2006.01) G11B 27/028 (2006.01) G11B 27/34 (2006.01) G11B 27/024 (2006.01) G11B 27/36 (2006.01)
Patent
CA 1165866
ERROR DETECTION FOR USE IN EDITING APPARATUS Abstract of the Disclosure An error detection arrangement for editing apparatus of the type that is is used with playback and recording devices such as VTR's, wherein different signals (e. g. video and audio signals) on a first record medium, such as video tape, are transferred to a second record medium, and wherein the relative positions of the record media are represented by record medium position data. The editing apparatus com- prises a console having a plurality of display registers for displaying record medium position data, a plurality of register selector switches associated with corresponding ones of the display registers, each register selector switch being operable to select its associated display register, a plurality of register indicators associated with respective ones of the display registers, a plurality of signal selector switches, each signal selector switch being operable to select particular ones of the signals reproduced from the first medium to be recorded on the second medium when a selected medium reaches a position represented by the position data displayed in a selected display register, a plurality of signal select indicators associated with respective ones of the signal selector switches, and control switches operable to initiate edit operations. A central processing unit responds to the selected operation of the signal selector switches and the register selector switches for assigning at least one of the different signals (e. g., the video or the audio signals) for transfer to the second medium when that medium reaches a relative position represented by the position data displayed in a selected display register. The central processing unit includes an error detector responsive to the operation of a control switch to detect if the data displayed in the selected display register is enabling for carrying out the edit operation and, if not, to inhibit the edit operation from being carried out and to actuate selected ones of the indicators to apprise an operator of an error condition.
373362
Kuper Douglas D.
Menezes William A.
Gowling Lafleur Henderson Llp
Sony Corporation
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