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21. 发明专利

FR2497991B1 未知
公开(公告)号：FR2497991B1
公开(公告)日：1988-08-26
申请号：FR8200466
申请日：1982-01-13
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , ABE RYOZO , SAKURAI MASAKI , YUSA YASUHIRO , YOSHIHARA KENJI
IPC分类号： H04N5/903 , G11B9/06 , G11B21/08 , G11B27/00 , G11B11/06
摘要： An apparatus reproduces signals which are recorded on a rotary medium having a main information signal recorded on a spiral main track, with first and second tracking control reference signals which are recorded on sub-tracks positioned between adjacent main tracks. A third tracking control reference signal is recorded on the main or sub-track, on each track turn, during an interval corresponding to the vertical synchronizing signal, within a vertical blanking period of the main information signal. The first and second reference signals are recorded within an interval excluding the interval corresponding to that of the vertical synchronizing signal. A kick pulse is generated for shifting the reproducing element to an adjacent track during a special reproduction mode so that the reproducing element is shifted at an interval other than the interval in which the reproducing element reproduces the vertical synchronizing signal.

22. 发明专利

GB2103864B ROTARY RECORDING MEDIUM AND REPRODUCING APPARATUS THEREFOR 未知
公开(公告)号：GB2103864B
公开(公告)日：1986-06-11
申请号：GB8219516
申请日：1982-07-06
申请人： VICTOR COMPANY OF JAPAN
发明人： YAMADA HISAYOSHI , HONJO YOSHIHIKO , HIRATA ATSUMI , SUGIYAMA HIROYUKI , SAKURAI MASAKI , HOSONO KAZUHIRO , YOSHIHARA KENJI , ABE RYOZO
IPC分类号： G11B21/08 , G11B27/00 , G11B27/30 , H04N5/91 , G11B21/12

23. 发明专利

GB2128051B DIGITAL VIDEO SIGNAL REPRODUCING APPARATUS 未知
公开(公告)号：GB2128051B
公开(公告)日：1986-05-14
申请号：GB8324097
申请日：1983-09-08
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , AMANO YOSHIAKI , ABE RYOZO , TAKAHASHI NOBUAKI , SHIBAMOTO TAKESHI , SATA HIDEO , TANAKA KOJI
IPC分类号： H04N5/93 , H04N5/907 , H04N5/92 , H04N9/877 , H04N5/76
摘要： A digital video signal reproducing apparatus comprises a reproducing circuit for reproducing a digital video signal from a recording medium, which digital video signal is added with at least a write-in specifying code and a read-out specifying code for specifying a memory circuit part to picture element data groups which are obtained by subjecting a video signal to a digital pulse modulation, a detecting circuit for detecting the write-in specifying code and the read-out specifying code within a reproduced digital video signal from the reproducing circuit, a generator for generating various synchronizing signals and reference signals, first and second memory circuit parts each having a memory capacity for storing picture element data corresponding to one picture, a write controller for causing the picture element data to be written into one of the first and second memory circuit parts according to a value of the write-in specifying code, a latch circuit for latching the read-out specifying code by a vertical synchronizing signal generated from the generator, a read controller for causing stored picture element data to be successively read out from one of the first and second memory circuit parts according to a value of the read-out specifying code from the latch circuit, and a circuit for converting the picture element data read out from the first and second memory circuit parts to an analog video signal.

24. 发明专利

FR2490386B1 未知
公开(公告)号：FR2490386B1
公开(公告)日：1986-01-24
申请号：FR8117220
申请日：1981-09-11
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , KANEDA SAMI , SAKAKIBARA SUSUMU , ABE RYOZO , SANO YASUSHI
IPC分类号： G11B21/02 , G11B21/04 , G11B15/02 , G11B21/00
摘要： A transfer control device for a reproducing transducer in a rotary recording medium reproducing apparatus having a reproducing transducer for reproducing recorded signals from a rotary recording medium and a driving motor for transferring said reproducing transducer on said rotary recording medium comprises a micro-computer having first and second output ports, where the first output port produces a signal of a pulse form which repeats high-level and low-level periods during a normal-speed transferring mode, and the second output port produces a continuous high-level or low-level signal according to the transferring mode so that a combination of a predetermined level is obtained between the output signal from the first output port, a square wave signal generating circuit applied with the output signal from the first output port of the micro-computer, where the square wave signal generating circuit is triggered to produce a predetermined square wave signal when applied with the signal of a pulse form and not triggered when applied with other signals of constant level, and a switching circuit applied with the output signal from the first and second output ports of the micro-computer, to switch over a plurality of input terminals according to the levels of the applied signals and pass the input terminal voltage through to an output side as an output voltage. The switching circuit supplies the output voltage thus obtained to the driving motor.

25. 发明专利

GB2106276B ROTARY RECORDING MEDIUM REPRODUCING APPARATUS CAPABLE OF PERFORMING ADDRESS SEARCH 未知
公开(公告)号：GB2106276B
公开(公告)日：1985-09-18
申请号：GB8223377
申请日：1982-08-13
申请人： VICTOR COMPANY OF JAPAN
发明人： ABE RYOZO , SAKURAI MASAKI , SAKAKIBARA SUSUMU , YOSHIHARA KENJO , SUGIYAMA HIROYUKI
IPC分类号： G11B5/55 , G11B9/06 , G11B21/08 , G11B27/10 , G11B27/30 , G11B3/10

26. 发明专利

GB2109614B ROTARY RECORDING MEDIUM REPRODUCING APPARATUS 未知
公开(公告)号：GB2109614B
公开(公告)日：1985-06-26
申请号：GB8226012
申请日：1982-09-13
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , SAKURAI MASAKI , ABE RYOZO , YOSHIHARA KENJI
IPC分类号： G11B17/049 , G11B17/00 , G11B17/04 , G11B23/02
摘要： A rotary recording medium reproducing apparatus reproduces a rotary recording medium accommodated within a case, where the case comprises a jacket provided with a space for accommodating the rotary recording medium and an opening for allowing the rotary recording medium to go in and out of the jacket, and a lid member inserted through the opening of the jacket for closing the opening of the jacket. The rotary recording medium reproducing apparatus comprises a rotary recording medium supporting member for supporting the rotary recording medium left within the reproducing apparatus so that the rotary recording medium is supported above a turntable by an operation in which the case is inserted into and then extracted from the reproducing apparatus, a driving source for operating in one direction to raise the rotary recording medium supporting member and operating in a reverse direction to lower the rotary recording medium supporting member, and a control circuit for controlling the driving source to operate in the one direction when the control circuit detects the insertion of the jacket into the reproducing apparatus in a state where the rotary recording medium is supported by the supporting member and is being lowered with the supporting member operated by the driving source which is operating in the reverse direction.

27. 发明专利

GB2102615B ADDRESS INDICATOR CONTROL DEVICE IN A ROTARY RECORDING MEDIUM REPRODUCING DEVICE 未知
公开(公告)号：GB2102615B
公开(公告)日：1985-05-30
申请号：GB8217342
申请日：1982-06-15
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , YOSHIHARA KENJI , ABE RYOZO , SAKURAI MASAKI
IPC分类号： G11B17/00 , G11B27/10 , G11B27/28 , G11B27/34
摘要： An address indicator control device in a rotary recording medium reproducing apparatus having a reproducing transducer for reproducing a rotary recording medium recorded with at least two kinds of address signals together with an information signal, a circuit for transferring the reproducing transducer to a set address position on the rotary recording medium reproducing apparatus to carry out a search operation, and an indicator for indicating an address, comprises an indication mode setting circuit for setting the kind of address to be indicated on the indicator, a search address setting circuit for setting the kind of address to be searched and the address value, an address signal separation circuit for separating an address signal from a signal reproduced from the rotary recording medium by the reproducing transducer, and a control circuit for indicating an address of the kind and value set by the search address setting circuit on the indicator regardless of the setting by the indication mode setting circuit, at lease during the search operation of the reproducing transducer, and until a predetermined time has elapsed from the start of the search operation when the duration of the search operation is shorter than the above predetermined time.

28. 发明专利

AU539241B2 VARIABLE MODE REPRODUCTION FROM VIDEO DISC 未知
公开(公告)号：AU539241B2
公开(公告)日：1984-09-20
申请号：AU7344481
申请日：1981-07-27
申请人： VICTOR COMPANY OF JAPAN
发明人： SUGIYAMA HIROYUKI , ABE RYOZO , YOSHIHARA KENJI , SAKURAI MASAKI , YUSA YASUHIRO
IPC分类号： H04N5/903 , G11B19/14 , G11B19/24 , G11B21/02 , G11B21/08 , G11B21/10 , G11B27/00 , G11B9/06 , G11B19/26
摘要： A reproducing apparatus is capable of performing special reproduction of information signals recorded on a rotary recording medium. The information signals are recorded in either spiral track turns or concentric tracks. The reproducing apparatus comprises a detector for generating a rotation detection signal having a frequency which varies proportionally to the rotational speed of the rotary recording medium. A special signal generator generates a special reproduction synchronizing signal and a generator generates an external control signal based on a signal which is obtained by variably controlling the frequency of the special reproduction synchronizing signal. A manual switch varies the frequency of the special reproduction synchronizing signal by controlling the control signal generator responsive to an output code signal corresponding to a position of the manual switch. The manual switch is positioned at a predetermined neutral position to produce the external control signal once every one rotation of the rotary recording medium, to repetitively reproduce the same track. The manual switch varies the frequency of the external control signal to vary, with predetermined steps, a speed of picture motion of the reproduced information signal, corresponding to positions of the manual switch.

29. 发明专利

GB2136190A REPRODUCING APPARATUS FOR REPRODUCING RECORDED SIGNALS FROM A ROTARY RECORDING MEDIUM 未知
公开(公告)号：GB2136190A
公开(公告)日：1984-09-12
申请号：GB8400904
申请日：1984-01-13
申请人： VICTOR COMPANY OF JAPAN
发明人： ABE RYOZO , SAKURAI MASAKI
IPC分类号： H04N5/94 , G11B20/10 , G11B21/08 , G11B27/10 , G11B27/28 , G11B27/30 , G11B25/04
摘要： A reproducing apparatus comprises a reproducing circuit including a pickup reproducing element, for reproducing recorded signals from a rotary recording medium, an address signal reproducing circuit for reproducing a track shift address signal from the signals which are reproduced by the reproducing circuit, a detecting circuit for detecting whether the address signal is reproduced with a predetermined period, a memory for storing the value of the reproduced address signal or a flag which is related to the value of the reproduced address signal, when the detecting circuit detects that the address singal is reproduced with the predetermined period, and a circuit for generating a control signal which causes the pickup reproducing element to undergo a forced track shift at predetermined positions on the tracks so that the pickup reproducing element scans along a scanning locus which has the same periodicity as the scanning locus along which the pickup reproducing element had been scanning up to that point. The control signal is generated based on the value of the reproduced address signal when the detecting circuit detects that the address signal is reproduced with the predetermined period, and based on one or a plurality of values which are pre-stored in the memory when the detecting circuit detects that the address signal is not reproduced with the predetermined period.

30. 发明专利

GB2106696A ROTARY RECORDING MEDIUM REPRODUCING APPARATUS 未知
公开(公告)号：GB2106696A
公开(公告)日：1983-04-13
申请号：GB8221847
申请日：1982-07-28
申请人： VICTOR COMPANY OF JAPAN
发明人： SAKURAI MASAKI , SUGIYAMA HIROYUKI , YOSHIHARA KENJI , ABE RYOZO
IPC分类号： G11B17/049 , G11B17/04 , G11B19/06 , G11B23/03 , G11B17/02 , G11B25/04

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