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EP0551944A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Arrangement for recording an information signal in a track on a record carrier

Assignee: Koninklijke Philips NV
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Filing: 1993-01-12
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Granted: —
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Expires: 2013-01-12
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Abstract

Abstract An arrangement for recording an information signal in a track (T₀, T₁, ...) on a record carrier (1), comprises an input (20) for receiving the information signal, signal processing means (21) for processing the information signal such that it can be recorded in the track, counting means (23) for counting and for generating an array of subsequent different count signals and for supplying the count signals to an output (24), recording means (25, 26, 27) having at least one recording head (26) for recording the processed information signal in a track on the record carrier, and for recording the count signals in a track on the record carrier and transport means (34,35) for transporting the record carrier with a certain transport velocity (v t ) in a longitudinal direction of the record carrier. The counting means (23) are adapted to supply count signals such that, independent of the value of the transport velocity during recording, a count signal is recorded in a substantially fixed location, viewed in the longitudinal direction of the record carrier, on said record carrier (Fig 3,4). Further, in the case that the arrangement is capable of recording a first video signal which is based on 25 pictures per second and of recording a second video signal which is based on 30 pictures per second, the following relation exists between the supply rate F s of the subsequent different count signals by the count signal generator (23), and D, being the difference between subsequent different count signals generated: F s x D = constant, for the recording of the first video signal as well as the second video signal, and where the transport velocity has been kept constant.

Inventors

  • 👤 Pieter Gerrit Van Leeuwen
  • 👤 Albert Maria Arnold Rijckaert

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 21:41
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/03; G11B15/18; G11B15/1808; G11B15/1875; G11B15/46; G11B15/467; G11B20/00; G11B20/10; G11B20/12; G11B20/1201; G11B20/1207; G11B20/1208; G11B27/00; G11B27/02; G11B27/022; G11B27/029; G11B27/031; G11B27/036; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3027; G11B27/32; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782; H04N5/7824; H04N5/7826; H04N5/78263; H04N5/78266; G11B2220/00; G11B2220/90; G11B27/024; G11B27/032; H04N5/91; H04N5/92; H04N5/9201; H04N5/9206; H04N9/00; H04N9/79; H04N9/7921; H04N9/7925

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 175 words
Arrangement for recording an information signal in a track on a record carrier, comprising - an input for receiving the information signal, - signal processing means for processing the information signal such that it can be recorded in the track, - counting means for counting and for generating an array of subsequent different count signals and for supplying the different count signals to an output with a certain supply rate, - recording means, having at least one recording head, for recording the processed information signal in a track on the record carrier, and for recording the count signals in a track on the record carrier, - transport means for transporting the record carrier with a certain transport velocity in a longitudinal direction of the record carrier, characterized in that, the counting means are adapted to supply subsequent different count signals such that, independent of the value of the transport velocity during recording, a count signal is recorded in a substantially fixed location, viewed in the longitudinal direction of the record carrier, on said record carrier.
Claim 2
Dependent Claim 67 words
Arrangement as claimed in claim 1, the counting means being adapted to supply the different count signals with a substantially fixed supply rate, characterized in that, to that purpose, the counting means are further adapted to supply such count signals, that the difference between subsequent count signals in the array of different count signals is substantially proportional to the transport velocity of the record carrier during recording.
Claim 3
Dependent Claim 43 words
Arrangement as claimed in claim 1, characterized in that, to that purpose, the counting means are further adapted to supply the subsequent different count signals with a supply rate which is substantially proportional to the transport velocity of the record carrier during recording.
Claim 4
Dependent Claim 49 words
Arrangement as claimed in claim 1, 2 or 3, characterized in that, for recording a first information signal in a first portion located at the beginning of the record carrier, the counting means are adapted to generate count signals starting upwards from a starting value, which is preferably zero.
Claim 5
Dependent Claim 106 words
Arrangement as claimed in anyone of the preceding claims, in which a first information signal has been recorded in a first portion on the record carrier, characterized in that for recording a second information signal directly after the first information signal in a second portion on the record carrier, the arrangement is adapted to read the count signal lastly recorded in the first portion on the record carrier, to supply the count signal lastly recorded to the counting means, that for recording the second information signal, the counting means are adapted to generate counting signals starting from the count signal lastly recorded in the first portion.
Claim 6
Dependent Claim 35 words
Arrangement as claimed in anyone of the preceding claims, characterized in that, the recording means are adapted to record the processed information signal and the count signals in the same track on the record carrier.
Claim 7
Dependent Claim 355 words
Arrangement for recording an information signal in a track on a record carrier, comprising - an input for receiving the information signal, - signal processing means for processing the information signal such that it can be recorded in the track, - counting means for counting and for generating an array of subsequent different count signals and for supplying the count signals to an output, - recording means, having at least one recording head, for recording the processed information signal in a track on the record carrier, and for recording the count signals in a track on the record carrier, - transport means for transporting the record carrier with a certain transport velocity in a longitudinal direction of the record carrier, characterized in that, the arrangement is adapted to receive a first information signal in the form of a videosignal based on 25 pictures per second or a second information signal in the form of a videosignal based on 30 pictures per second and to record said first or second information signal in slant tracks on the record carrier, the arrangement further comprising clock extracting means for extracting a clock signal from the first or second information signal applied to the input and for supplying the clock signal to an output, the clock signal being substantially proportional to the number of pictures per second in the first or second information signal, the output of the clock extraction means being coupled to a clock signal input of the counting means, the counting means being adapted to supply subsequent different count signals in response to the clock signal received, with a supply rate which is substantially proportional to the frequency of the clock signal, and with such difference between subsequent different count signals that the following relation is met, independent of the first or the second information signal being recorded on the record carrier, and with the transport velocity of the record carrier during recording of said first or second information signal being the same: F s x D = constant, where F s is the supply rate and D is the difference between subsequent different count signals.
Claim 8
Dependent Claim 43 words
Arrangement as claimed in claim 7, characterized in that, the following relation is met F s x D / v t = constant, where v t is the transport velocity of the record carrier during recording of said first or second information signal.

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