公开(公告)号：DE69130875T2

公开(公告)日：1999-06-10

申请号：DE69130875

申请日：1991-07-16

Applicant: SONY CORP

Inventor： NAGANO NAOKI ,  KAWAMURA HARUMI ,  SHIMA HISATO

IPC: H04B1/20 ,  H04L12/24 ,  G11B27/028 ,  G06F12/06

Abstract: The present invention provides a control apparatus for controlling a plurality of recording and reproducing apparatuses (50, 60, 70, 80). The control apparatus according to the present invention comprises elapse time measuring means, responsive to an input reset signal determining an input time point, for commencing to measure time elapse with reference to the input time point, recording position information output means, responsive to an input predetermined signal, for detecting and outputting recording position information from a record medium of one of the recording and reproducing apparatuses, and control means for receiving the time elapse measured by said elapse time measuring means, determining an execution time in response to the time elapse, and executing an operation command at said execution time in response to said operation command.

公开(公告)号：DE69509153D1

公开(公告)日：1999-05-27

申请号：DE69509153

申请日：1995-02-14

Applicant: SONY CORP

Inventor： SHIMA HISATO ,  ISHIMARU HIROYUKI

IPC: G11B20/10 ,  H04J3/00 ,  H04N5/7826 ,  H04N5/919 ,  H04N9/804 ,  H04N9/806 ,  H04N9/82 ,  H04N5/926

Abstract: Apparatus and methods are provided for recording and reproducing digital image data. In a reproducing apparatus, two tracks of digital image data are simultaneously reproduced in a high definition mode of operation, while in a standard definition mode of operation only a single track of data is reproduced at a given time. In the high definition mode of operation, the data reproduced from the two tracks simultaneously are time-division multiplexed and supplied in multiplexed form to a digital interface for transmission to another apparatus, such as a recording apparatus for dubbing. In a recording apparatus, operating in a high definition mode digital image data is recorded simultaneously in two tracks on tape. In one embodiment, the data to be recorded is also multiplexed time-divisionally and supplied to a digital interface for transmission, but in a standard definition mode, the data is not multiplexed prior to transmission. In other embodiments, a recording apparatus is supplied with communication circuits for demultiplexing high definition image data received from a transmission line for simultaneously recording first and second portions of the image data in respective tracks on a tape.

公开(公告)号：DE69323663D1

公开(公告)日：1999-04-08

申请号：DE69323663

申请日：1993-07-22

Applicant: SONY CORP

Inventor： KORI TERUHIKO ,  KAWAMURA HARUMI ,  SHIMA HISATO ,  OGAWA KAZUYUKI

IPC: G11B23/02 ,  G11B23/087 ,  G11B27/10 ,  G11B27/11 ,  G11B27/30 ,  G11B27/34 ,  G11B23/04

Abstract: A recording medium cartridge (31) includes a memory circuit (34) for storing information concerning signals recorded on the recording medium (6) within the cartridge. The information is stored in the memory circuit in the form of a hierarchic data structure which includes a plurality of data packets having a predetermined form and length. Each data packet includes a code indicative of a level in the data structure to which the data packet belongs. At least some of the data packets include data indicative of starting and ending positions (2, 3) on the recording medium of recorded signals which the data packets represents. The hierarchic (or "tree") data structure facilitates rapid retrieval and reproduction of the signals recorded on the recording medium, particularly when the recording medium is a magnetic tape. The tree structure also facilitates storage of information in connection with recording of additional signals on the recording medium.

公开(公告)号：DE69226242D1

公开(公告)日：1998-08-20

申请号：DE69226242

申请日：1992-11-26

Applicant: SONY CORP

Inventor： TERASAWA HIDEO ,  SHIMA HISATO ,  YAMANAKA BRIAN TORU

IPC: G11B15/02 ,  G11B27/10 ,  G11B27/34 ,  G11B33/10

Abstract: In a reproducing apparatus of the video tape recorder or the like, which is capable of intuitively determining the search status and is capable of conducting search by an easy operation. The possible reproduction speeds are displayed on a graph, and the reproduction speed is indicated on the graph. Furthermore, it is possible to set the reproduction speed on the graph.

公开(公告)号：DE69317232D1

公开(公告)日：1998-04-09

申请号：DE69317232

申请日：1993-12-09

Applicant: SONY CORP

Inventor： OKADA HIROSHI ,  SHIMA HISATO

IPC: H04N5/92 ,  H04N9/45 ,  H04N9/80 ,  H04N9/804 ,  H04N9/808 ,  H04N9/87

Abstract: A digital recording/reproducing apparatus having an external input digital interface is disclosed. A changeover switch is controlled by a changeover control circuit for selecting horizontal synchronizing signals generated by a horizontal synchronizing generator for an external input mode and for selecting horizontal synchronizing signals derived from reproduced video signals reproduced from a recording medium for a playback mode. Standard color sub-carrier signals may be generated by a color sub-carrier signal generator based on the horizontal synchronizing signals as selected by the changeover switch. Even when the digital video signals supplied from outside for the external mode include non-standard horizontal synchronizing signals, standard composite video signals may be generated by an encoder by employing the color sub-carrier signals from the color sub-carrier signal generator.

公开(公告)号：DE69216162T2

公开(公告)日：1997-04-10

申请号：DE69216162

申请日：1992-07-02

Applicant: SONY CORP

Inventor： KAWAMURA HARUMI ,  SHIMA HISATO ,  NAGANO NAOKI

IPC: G11B15/02 ,  G11B15/03 ,  G11B27/00 ,  G11B27/02 ,  G11B27/022 ,  G11B27/024 ,  G11B27/028 ,  G11B27/031 ,  G11B31/00 ,  H04Q9/00 ,  G11B27/10

Abstract: A computer (1) is connected to VTR units (2, 3) and a CRT monitor (4) through lines (5-7). Each of the computer (1) and the units (2, 3) to be controlled thereby is provided with a clock means (10) for sharing the same time. The computer sends to the VTR unit (2, 3) a command for releasing record pause state and starting the record operation at time T1. After the VTR unit (2, 3) started the record operation, when the counter value became x, the VTR unit (2, 3) sends time Tx to the computer (1). The computer (1) computes formula D = Tx - T1 -x so as to obtain delay time D.

公开(公告)号：CA2152242A1

公开(公告)日：1995-12-25

申请号：CA2152242

申请日：1995-06-20

Applicant: SONY CORP

Inventor： IIJIMA YUKO ,  SHIMA HISATO ,  KAWAMURA HARUMI ,  SATO MAKOTO

IPC: H04L5/22 ,  G11B27/032 ,  H04B1/20 ,  H04L12/28 ,  H04L12/40 ,  H04L12/64 ,  H04L29/06 ,  H04L29/08 ,  H04N5/765

Abstract: There is provided a method of controlling communication for a communication system for connecting a plurality of electronic apparatuses through a communication control bus and allowing data communication between those electronic apparatuses wherein each of the electronic apparatuses performs connection control through the execution of a connection control command carried out by writing connection control information in a predetermined storage means of its own or another electronic apparatus. The electronic apparatuses which attempt to write the connection control information transmit the write instructions in a predetermined storage means. The storage means which has received the write instructions executes only the earliest write instruction and transmits responses indicating whether the execution of respective write instructions is successful or not.

公开(公告)号：CA2144970A1

公开(公告)日：1995-02-02

申请号：CA2144970

申请日：1994-07-19

Applicant: SONY CORP

Inventor： MATSUNO KATSUMI ,  KUBOTA ICHIRO ,  HAYASHI MINOBU ,  SHIMA HISATO

IPC: H04L12/40 ,  H04L12/403 ,  H04L12/64

Abstract: A bus management node 11 has a register for channels in use REG1 and a bus capacity register REG2. Before starting the synchronous communication, each node 12 transmits a read-out command to the register for channels in use REG1 and the register for channels in use REG1 in order to read out their contents for ascertaining the number of the un-used channel and the residual capacity. If there is any un-used channel and any residual bus capacity, the node 12 transmits write commands to these registers REG1 and REG2 so that the number of the channel to be in use and the capacity of the bus to be in use will be stored in the register for channels in use REG1 and the bus capacity register REG2. This enables bus management to be achieved easily in a system performing synchronous communication between plural nodes connected to the bus.

公开(公告)号：DE69839330D1

公开(公告)日：2008-05-21

申请号：DE69839330

申请日：1998-04-20

Applicant: SONY CORP

Inventor： ISHIGURO RYUJI ,  OSAWA YOSHITOMO ,  OSAKABE YOSHIO ,  SATO MAKOTO ,  SHIMA HISATO ,  ASANO TOMOYUKI

IPC: G06F12/14 ,  G06F21/00 ,  G06F1/00 ,  G06F3/06 ,  G06F21/24 ,  G11B19/04 ,  G11B19/12 ,  G11B20/00 ,  H04L9/08 ,  H04L9/10 ,  H04L9/32 ,  H04L12/40 ,  H04L12/64

Abstract: A hash function and a service key are stored in advance in an EEPROM of a DVD player serving as a source. In an EEPROM of a personal computer (PC) serving as a sink, on the other hand, its ID and a license key are stored beforehand. The DVD player requests the PC to transmit the ID. The DVD player then applies the hash function to data resulting from concatenation of the ID with the service key to generate a license key (= hash (ID || service key)). Subsequently, the DVD player generates a source side session key and encrypts the session key by using the generated license key. Then, the DVD player transmits the encrypted source side session key to the PC. The PC decrypts the encrypted source side session key by using the license key stored in its EEPROM to produce a sink side session key which has a value equal to that of the source side session key.

公开(公告)号：DE69836450T2

公开(公告)日：2007-09-13

申请号：DE69836450

申请日：1998-04-20

Applicant: SONY CORP

Inventor： ISHIGURO RYUJI ,  OSAWA YOSHITOMO ,  OSAKABE YOSHIO ,  SATO MAKOTO ,  SHIMA HISATO ,  ASANO TOMOYUKI

IPC: G06F1/00 ,  H04L9/08 ,  G06F3/06 ,  G06F13/00 ,  G06F21/00 ,  G09C1/00 ,  G11B20/00

Abstract: An enciphering/deciphering apparatus and method are provided by which illegal copying can be prevented with a greater degree of certainty. Data enciphered by a 1394 interface (26) of a DVD player (1) is transmitted to a personal computer (2) and a magneto-optical disk apparatus (3) through a 1394 bus (11). In the magneto-optical disk apparatus (3) with which a change to a function is not open to a user, the received data is deciphered by a 1394 interface (36). In contrast, in the personal computer (2) with which a change to a function is open to a user, the enciphered data is deciphered using a time variable key (50) by a 1394 interface (49), and a result of the decipherment is further deciphered using a session key by an application section.