公开(公告)号：JPH1049947A

公开(公告)日：1998-02-20

申请号：JP21806196

申请日：1996-07-31

Applicant: SONY CORP

Inventor： KUROKAWA TOSHIYA ,  KODAMA MASAHIRO ,  RIKUKAWA HITOSHI ,  TAKI RYOJI ,  YAMAGISHI TAKETOSHI ,  SAITO AKIRA ,  KANO YASUAKI ,  ISOMURA KYOICHI

IPC: G11B15/68 ,  G11B15/675

Abstract: PROBLEM TO BE SOLVED: To forcedly eject a recording medium cassette when the recording medium cassette is not ejected to a prescribed position, in the cassette drive provided with a cassette loading mechanism for making the recording medium cassette land on a driving mechanism by making it move in the almost right angle direction against the pull-in direction after the recording medium cassette inserted to a cassette port is pulled in the inserting direction. SOLUTION: This cassette drive is provided with a position sensor 30 for detecting that the recording medium cassette 2 exists in the position ejectable by only the almost linear movement in the ejecting direction and the mechanism 15 forcedly ejecting the cassette for making the recording medium cassette 2 move to the ejecting direction, and it is constituted in such a manner that the recording medium cassette 2 is forcedly ejected by operating the cassette forcedly ejecting mechanism 15 when the recording medium cassette 2 is not ejected in spite of issuing the ejecting instruction to the cassette drive and also when the position sensor 30 detects that the ejection is allowed only by making the recording medium cassette 2 linearly move to the ejecting direction.

公开(公告)号：JPH08306119A

公开(公告)日：1996-11-22

申请号：JP13569595

申请日：1995-05-10

Applicant: SONY CORP

Inventor： FUNABASHI TAKESHI ,  TAKI RYOJI ,  RIKUKAWA HITOSHI

IPC: G11B27/10 ,  G11B7/00 ,  G11B7/004 ,  G11B17/22 ,  G11B19/02

Abstract: PURPOSE: To easily and surely back up data at the slave side by issuing the command from a host to control a single terminal and simultaneously and in parallel executing the recording and the reproducing of the data by two recording and reproducing sections. CONSTITUTION: Same ID number is assigned to optical disk drives 3A and 3B which are connected to an SCSI interface bus and bus signals are preferentially transmitted from the drive 3A of the master side. Thus, a host computer 2 issues commands to control one SCSI terminal and the drives 3A and 3B simultaneously and in parallel execute the processes corresponding to the commands. Therefore, the drive 3B of the slave side automatically forms an optical disk H for back up, simultaneously and in parallel executes the processes corresponding to the commands, surely receives the data outputted from the computer 2 and surely executes the recording and reproducing processes.

公开(公告)号：JPH08249136A

公开(公告)日：1996-09-27

申请号：JP5136195

申请日：1995-03-10

Applicant: SONY CORP

Inventor： FUNABASHI TAKESHI ,  SHIMOYAMA TOMOKO ,  RIKUKAWA HITOSHI

IPC: G06F13/10 ,  G06F3/06 ,  G06F11/273 ,  G06F13/00 ,  G11B17/22 ,  G11B19/02 ,  G11B20/10

Abstract: PURPOSE: To easily improve a version of software and to quickly and efficiently process a generated trouble and execute timely maintenance. CONSTITUTION: This recording/reproducing device is provided with optical disk drives 14 to 17, an arm controller 9 for recognizing the operation states of respective drives 14 to 17, RS-232C buses 26 to 29 for transmitting/receiving information between respective drives 14 to 17 and the controller 9, an SCSI bus 21 for transmitting/receiving commands and status between the controller 9 and a host computer 11, an RS-232C bus for transmitting/receiving commands and status between the controller 9 and a checking computer 34, a MODEM 32, etc., and constituted so as to transmit/receive commands and status between the controller 9 and the computer 34 for check while holding the connection state of the SCSI bus 21.

公开(公告)号：JPH10228753A

公开(公告)日：1998-08-25

申请号：JP10189097

申请日：1997-04-18

Applicant: SONY CORP

Inventor： TAKI RYOJI ,  RIKUKAWA HITOSHI ,  KUROKAWA TOSHIYA ,  KODAMA MASAHIRO ,  HIRAMOTO TAKAO ,  TAKAYAMA YOSHIHISA

IPC: G11B23/30 ,  G06F12/14 ,  G06F21/24 ,  G11B15/68 ,  G11B17/22 ,  G11B23/03 ,  G11B23/04 ,  G11B23/087 ,  G11B27/00 ,  G11B27/11

Abstract: PROBLEM TO BE SOLVED: To surely discriminate and manage the identification information of a recording medium cartridge. SOLUTION: This recording medium cartridge 1 includes an identification display part 4 provided so as to display identification information for discriminating a recording medium 3 inside an outer casing 2 by being stuck to the outer surface of the outer casing 2, and an identification information storage part 5 provided inside the outer casing 2 for storing identification information having the same content as that of information indicated by the identification display part 4. Also provided are a first reading means 8 for reading the identification information of the identification display part 4 and a second reading means 9 for reading identification information stored in the identification information storage part 5, and identification information read by the first or second reading means 8 or 9 is employed as the identification information of the recording medium cartridge 1 by an identification information prescribing means 10. If the identification information is not read because of the deterioration or the like of the identification display part 4, by using the identification information read from the identification information storage part 5 as that of the recording medium cartridge 1, identification information management is secured.

公开(公告)号：JPH1040637A

公开(公告)日：1998-02-13

申请号：JP20758696

申请日：1996-07-19

Applicant: SONY CORP

Inventor： RIKUKAWA HITOSHI ,  ISOMURA KYOICHI ,  KODAMA MASAHIRO ,  SAITO AKIRA ,  TAKI RYOJI

IPC: G06F3/06 ,  G06F13/40 ,  G11B15/68 ,  G11B17/22 ,  G11B25/04 ,  G11B33/12 ,  G11B19/02

Abstract: PROBLEM TO BE SOLVED: To surely and efficiently perform changing work of drive devices constituting the information management device. SOLUTION: The information management device 1 for supplying an external equipment 8 with information requested in accordance with a command from the external equipment 8 or recording information has a housing part 3 for housing recording media 2, plural drive devices 4 provided for the purpose of reproducing and/or recording the recording media 2 and also being capable of changing the media and a carrier means 5 for taking out a desired recording medium 2 from the housing part 3 and carrying it to a drive device 4. Moreover, an operating means 6 is provided to be operated for selecting a drive device as a changing object, and a control means 7 is provided for the purpose of opening a transmission path of information between the drive device selected by the operating means 6 and the external equipment 8. Then, when it is confirmed that a transmission path of information between a drive device and the external equipment 8 is opened by the control means 7, the permission of changing this drive device is displayed on a display means 9.

公开(公告)号：JP2000215620A

公开(公告)日：2000-08-04

申请号：JP1214299

申请日：1999-01-20

Applicant: SONY CORP

Inventor： OZAKI SHINYA ,  HIROSE TOSHIYUKI ,  ABE HIROYUKI ,  RIKUKAWA HITOSHI

IPC: G11B20/18

Abstract: PROBLEM TO BE SOLVED: To reduce a rewrite ratio without increasing the danger of data being not correctly reproduced. SOLUTION: In the data recording apparatus for recording record data to which C1 and C2 codes constituting a product code are added, data of one track is constituted of 96 fragments and the C2 (32, 26) code is generated with an interleave of every 3 fragments. A calculating circuit 82 calculates syndromes S0-S5 in relation to two C1 sequence data of each fragment. A detecting circuit 83 outputs a detected signal Sdet1 for each fragment based on the syndromes when both of the two C1 sequence data have 0 error. Counters 84a-84c count the number of detected signals Sdet1 for every 96 fragments constituting one track in each interleave (32 fragments) related to an error correcting code C2 sequence. A system controller 1 determines rewrite on the basis of count values CE1-CE3.

公开(公告)号：JPH11327812A

公开(公告)日：1999-11-30

申请号：JP12641998

申请日：1998-05-08

Applicant: SONY CORP

Inventor： RIKUKAWA HITOSHI ,  ISOMURA KYOICHI

IPC: G06F3/06

Abstract: PROBLEM TO BE SOLVED: To provide an information recording library device wherein wirings of tape discharge mechanisms and a control means are simplied. SOLUTION: The proposed library device is provided with a plurality of tape drives to store tapes as a plurality of information recording mediums in respective storage parts and to record information in the respective information recording mediums or to reproduce information from the information recording mediums, with a discharge means installed in the respective storage parts and to discharge tapes from the storage parts, and with a system controller block 46 as a control means for driving/controlling the respective discharge means, The respective discharge means are daisy chain-connected to the common signal lines of the system controller block 46 and are connected to respective independent selection signal lines SEL for selecting the discharge means which the system controller block 46 drives/controls.

公开(公告)号：JPH10177754A

公开(公告)日：1998-06-30

申请号：JP35254196

申请日：1996-12-16

Applicant: SONY CORP

Inventor： TAKI RYOJI ,  RIKUKAWA HITOSHI ,  KUROKAWA TOSHIYA ,  YAMAGISHI TAKETOSHI ,  KANO YASUAKI ,  KAWACHI OSAMI ,  ISOMURA KYOICHI ,  KODAMA MASAHIRO ,  KIMURA MAKOTO ,  SAITO AKIRA

IPC: B65G1/00 ,  G11B15/68

Abstract: PROBLEM TO BE SOLVED: To easily increase the cassette housing capacity of a cassette library system for recording/reproducing data by selecting an optional cassette from those housed in a cassette shelf. SOLUTION: A cassette library system comprises a library main body 1 including a cassette shelf, a drive for recording/reproducing a recording medium cassette, a cassette carrying mechanism for carrying the recording medium cassette and a system controller 31 for controlling these elements, a plurality of warehousing units connected in series to the system main body and each having a cassette shelf and a cassette carrying mechanism and a cassette transfer mechanism 56 for transferring a recording medium cassette between the library main body 1 and the warehousing unit 35, and the system controller 31 includes the operation steps of recognizing the connection of the warehousing unit 35 and the number of cassette shelves increased by the connection of the warehousing units and incorporating, when the warehousing units are connected, the increase of cassette shelves in a cassette shelf map as own cassette shelves.

公开(公告)号：JP2000207847A

公开(公告)日：2000-07-28

申请号：JP819499

申请日：1999-01-14

Applicant: SONY CORP

Inventor： HIROSE TOSHIYUKI ,  OZAKI SHINYA ,  RIKUKAWA HITOSHI ,  ABE HIROYUKI

IPC: G11B20/10 ,  G11B20/12 ,  H03L7/107

Abstract: PROBLEM TO BE SOLVED: To enable to lock quickly a PLL circuit without any inconvenience even if lock of the PLL circuit is released in a part of pattern data having a long reversal interval. SOLUTION: A reproduced signal SP is converted into a binary signal of 1, 0 by a binarizing circuit 81, a clock signal PCK is reproduced by PLL circuits 82-84 referring to this binary signal. The binary signal is latched by the clock signal PCK in a D flip-flop 85 and reproduced data are obtained. A detector 86 detects synchronizing signals f2, f3 of an ATF(automatic track finding) pattern from the reproduced signal SP, a generator 87 outputs an up-mode signal SUP in one part of a period in which a reproduced signal (fch/6) of an IBG (inter-block gap) section is obtained making its detected output SD as a timing reference, and improves pull-in gain. Thereby, even if the lock of the PLL circuit is released in a period in which a pilot signal (fch/72) of the ATF pattern is obtained as a reproduced signal SP, lock of the PLL circuit can be quickly performed in the IBG section after that.

公开(公告)号：JP2000207279A

公开(公告)日：2000-07-28

申请号：JP819399

申请日：1999-01-14

Applicant: SONY CORP

Inventor： HIROSE TOSHIYUKI ,  OZAKI SHINYA ,  RIKUKAWA HITOSHI ,  ABE HIROYUKI

IPC: G06F12/06 ,  G11B27/00

Abstract: PROBLEM TO BE SOLVED: To reduce the generation of penalties. SOLUTION: A memory controller 75 makes, in the following way, only one access request effective, when modules 71 to 73 make requests to access individual banks of a synchronous DRAM(SDRAM) 74 at the same time. That is, only requests to access banks which are not used (unoccupied banks) are selected out of the access requests which are made at the same time. One of the selected access requests is made effective, according to the predetermined priority levels of the modules 71 to 73 and the module having made the request is given the right to use the SDRAM 74. Consequently, generation penalties is reduced, and process delay can be prevented.