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    31.
    发明专利
    未知

    公开(公告)号：AT189076T

    公开(公告)日：2000-02-15

    申请号：AT95308598

    申请日：1995-11-29

    Applicant: SONY CORP

    Inventor： KAWAMURA MAKOTO ,  AKIYAMA YOSHIYUKI ,  FUJINAMI YASUSHI ,  YONEMITSU JUN ,  NAKAGAWA TOMIHIRO

    IPC: G11B7/00 ,  G11B7/007 ,  G11B7/24 ,  G11B27/32 ,  H04N5/85 ,  H04N9/804 ,  H04N9/877 ,  G11B20/12 ,  H04N5/926

    Abstract: High-speed access to a multi-layered disk is to be realized. Each layer on a multi-layered disk may include an inside guard area 2, program area 3, and outer guard area 5 which are located in uniform radial positions in all layers. The uppermost layer has the recording direction from the inner side to the outer side of the disk, and the next layer has the recording direction from the outer side to the inner side of the disk such that opposite recording directions appear alternately. The radial position of the recording terminal end on the uppermost first layer may coincide with the radial position of the start of record on the next second layer. Recording and/or playback apparatus for such recording media is also provided.

    RECORDING APPARATUS
    33.
    发明专利
    RECORDING APPARATUS 未知

    公开(公告)号：AU625311B2

    公开(公告)日：1992-07-09

    申请号：AU2185588

    申请日：1988-09-05

    Applicant: SONY CORP

    Inventor： KUBOTO YUKIO ,  NAKAGAWA TOMIHIRO ,  SHINDO NORIO ,  SENSHU YOICHIROU ,  UETAKE AKIHIRO

    IPC: G11B5/008 ,  G11B20/10 ,  H04N5/782 ,  H04N5/92 ,  H04N5/926 ,  G11B20/00

    Abstract: An apparatus for recording an information signal that includes a signal processor for processing an information signal to be magnetically recorded, n magnetic heads (2A, 2B; 3A, 3B) (n is an integer of 2 or more) provided on a rotating drum (4) with a step of about 1/n the width of a magnetic tape (1) and a distributing circuit (6-13) for selectively supplying the processed information signal to one or more than two of the n magnetic heads, wherein the processed information signal is recorded on one or more than two track areas of the magnetic tape (1) by the magnetic head. Thus, much data can be recorded at a high transmission rate to improve the quality of picture, and also, a high access speed can be achieved.

    34.
    发明专利
    未知

    公开(公告)号：FR2489062B1

    公开(公告)日：1988-04-08

    申请号：FR8116011

    申请日：1981-08-20

    Applicant: SONY CORP

    Inventor： AMARI SHINJI ,  NAKAGAWA TOMIHIRO

    IPC: H04N5/765 ,  H04N5/77 ,  H04N5/783 ,  H04N9/83 ,  H04N5/782

    Abstract: A video signal recording apparatus for recording a video signal on a magnetic tape includes an oscillator which generates an oscillation signal; a variable frequency divider for frequency dividing the oscillation signal; a control circuit for controlling the frequency-dividing ratio of the variable frequency divider in accordance with the speed of advancement of the magnetic tape during the recording operation; a frequency divider for generating a plurality of synchronizing signals in response to the output of the variable frequency divider; a camera including an image transducer from which the video signal is obtained in correspondence to incident light from an object image projected on the image transducer, and a transmission device for transmitting the signal from the image transducer at a rate determined by the synchronizing signals; and a recording section including a processing circuit for separately processing the luminance and chrominance components of the transmitted video signal, and at least one transducer for recording the processed video signal on the magnetic tape in response to the synchronizing signals, wherein the video signal is always recorded on the magnetic tape in the same format regardless of the speed of advancement of the magnetic tape during the recording operation.

    37.
    发明专利
    未知

    公开(公告)号：DE69627069D1

    公开(公告)日：2003-05-08

    申请号：DE69627069

    申请日：1996-01-30

    Applicant: SONY CORP

    Inventor： KAWAMURA MAKOTO ,  FUJINAMI YASUSHI ,  YONEMITSU JUN ,  NAKAGAWA TOMIHIRO

    IPC: H04N5/92 ,  G11B20/10 ,  H03M7/36 ,  H04N5/783 ,  H04N5/85 ,  H04N9/804 ,  H04N9/877

    Abstract: Encoded data is reversely reproduced by decoding each picture only once and using only as many frame memory sections as are needed in a normal playback operation. A picture header detector (34) detects a picture header from data read out from a video code buffer (10) to identify the type of picture. The picture type information controls a picture data selecting circuit (35) for selecting frames of I and P pictures equal in number to the number of frame memory sections in a frame memory bank (16). The selected frames are supplied to an inverse VLC circuit (11) to be decoded, starting at the head of a GOP with an I picture. The decoded I and P pictures are stored in the frame memory bank (16) and transmitted to a display unit (18), starting with the temporally most recent picture and reading backward.

    39.
    发明专利
    未知

    公开(公告)号：DE69326729T2

    公开(公告)日：2000-04-27

    申请号：DE69326729

    申请日：1993-08-09

    Applicant: SONY CORP

    Inventor： NITTA HAJIME ,  SAITO TAKEHIKO ,  YAMASHITA KEITARO ,  TAKASHIMA MASATOSHI ,  NAKAGAWA TOMIHIRO

    IPC: G11B20/00 ,  G11B20/10 ,  G11B27/034 ,  G11B27/32 ,  G11B27/34 ,  H04N5/765 ,  H04N5/85 ,  H04N5/926 ,  H04N7/50

    Abstract: In step S1, the capacity of the area (remaining quantity) of a disk in which information can be recorded is read, and the remaining quantity is displayed in step S2. After a user input the recording time of information to be recorded and the recording capacity w for the recording, an average transmission rate R1 is calculated from expression R1 = w/t - alpha in step S4. The rate alpha is the transmission rate for transmitting signals other than a video signal, such as an audio signal, attached to the video signal. Data obtained by applying a DCT treatment to the video data is quantized with a quantization width corresponding to the average transmission rate R1 and this data is intermittently recorded on the disk.

    40.
    发明专利
    未知

    公开(公告)号：ES2140628T3

    公开(公告)日：2000-03-01

    申请号：ES95308598

    申请日：1995-11-29

    Applicant: SONY CORP

    Inventor： KAWAMURA MAKOTO ,  AKIYAMA YOSHIYUKI ,  FUJINAMI YASUSHI ,  YONEMITSU JUN ,  NAKAGAWA TOMIHIRO

    IPC: G11B7/00 ,  G11B7/007 ,  G11B7/24 ,  G11B27/32 ,  H04N5/85 ,  H04N9/804 ,  H04N9/877 ,  G11B20/12

    Abstract: High-speed access to a multi-layered disk is to be realized. Each layer on a multi-layered disk may include an inside guard area 2, program area 3, and outer guard area 5 which are located in uniform radial positions in all layers. The uppermost layer has the recording direction from the inner side to the outer side of the disk, and the next layer has the recording direction from the outer side to the inner side of the disk such that opposite recording directions appear alternately. The radial position of the recording terminal end on the uppermost first layer may coincide with the radial position of the start of record on the next second layer. Recording and/or playback apparatus for such recording media is also provided.

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