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1. 发明公开

EP0849938A3 A magnetic recording/reproducing apparatus and the same equiped with an image sensor 失效
标题翻译：配备有图像传感器的磁记录/再现装置
公开(公告)号：EP0849938A3
公开(公告)日：1999-02-24
申请号：EP97122050.4
申请日：1997-12-15
申请人： Hitachi, Ltd. , Hitachi Video & Information System, Inc.
发明人： Watanabe, Katsuyuki , Nishijima, Hideo , Ono, Koichi , Nishizawa, Akihito , Hori, Kazuaki
IPC分类号： H04N5/00
CPC分类号： H04N5/772 , H04N9/83 , Y10S358/906
摘要： A magnetic recording/reproducing apparatus equipped with an image sensor, comprising:
a camera portion having an A/D converter for converting a signal from an image sensor into a digital signal and a first digital processor for receiving an output of said A/D converter and for digitally processing thereof; a VTR portion of a helical scan type mounting at least two or more of magnetic heads for recording/reproducing a FM modulated luminance signal and a low band converted chrominance signal; a second digital processor for processing an video signal of the VTR; and a switching circuit provided in a preceding stage of said A/D converter, whereby the signal from said image sensor, an external video signal and a reproduced signal from said magnetic heads are exchanged, the output of said A/D converter is inputted to said second digital processor, and a sampling clock of said A/D converter is exchanged to most profitable clock for the signal from said image sensor, the external video signal and the reproduced signal from the magnetic heads, respectively.

2. 发明公开

EP0883118A3 Recording/reproducing apparatus and reproducing apparatus 失效
标题翻译： Aufzeichnungs- /WiedergabegerätundWiedergabegerät
公开(公告)号：EP0883118A3
公开(公告)日：1999-09-15
申请号：EP98304396.9
申请日：1998-06-03
申请人： HITACHI, LTD.
发明人： Nishijima, Hideo , Ohno, Shoji , Minabe, Kouji , Watanabe, Katsuyuki
IPC分类号： G11B15/18 , G11B15/467 , G11B5/008 , G11B5/53
CPC分类号： G11B5/534 , G11B5/0086 , G11B5/02 , G11B15/05 , G11B15/125 , G11B15/1875 , G11B15/44 , G11B15/4671 , G11B15/4673 , G11B15/4675 , H04N5/78263 , H04N9/7921
摘要： In a recording/reproducing apparatus and a reproducing apparatus based on a helical scan system for recording or reproducing a video signal and an audio signal on or from a magnetic tape (8) by use of a magnetic head assembly (2-7) mounted on a rotary drum (1), the recording/reproduction of an audio signal in both a standard play mode with a tape speed equal to a standard speed and a long play mode or N-ple play mode with a tape speed N times (N: an integer not smaller than 4) as high as the standard speed is performed by a common audio head (6, 7). At the time of reproduction in the N-ple play mode, the optimum tracking control is performed by a tracking control system (42) by use of an output of the audio head (6, 7). At the time of completion of recording in the N-ple play mode, a video signal is supplied with a time prolonged corresponding to the delay of scan of a video head (4, 5) from that of the audio head (6, 7) so that a video track is surely overwritten on an audio track. A high-speed fast feed/rewind speed at the time of N-ple play mode is set to a low value as compared with the tape speed at the time of standard play mode, thereby ensuring the detection of an index signal from the magnetic tape (8) in the N-ple play mode.
摘要翻译：在基于螺旋扫描系统的记录/再现装置和再现装置中，用于通过使用安装在磁带上的磁头组件（2-7）在磁带（8）上或从磁带（8）上记录或再现视频信号和音频信号旋转滚筒（1），以等于标准速度的磁带速度的标准播放模式和具有磁带速度N倍的长播放模式或N-play播放模式的两种标准播放模式中的音频信号的记录/再现（N：与标准速度一样高的不小于4的整数）由公共音频头（6,7）执行。在N普通播放模式下再现时，利用音频头（6,7）的输出由跟踪控制系统（42）执行最佳跟踪控制。在完成N级播放模式下的记录时，视频信号被提供与视频头（4,5）从音频头（6,7）的扫描延迟相对应的时间延长，使得视频轨道确实被覆盖在音轨上。与普通播放模式时的磁带速度相比，在N次播放模式下的高速快速进给/倒带速度设定为低值，从而确保从磁带检测到索引信号（8）在N-play播放模式。

3. 发明公开

EP0883118A2 Recording/reproducing apparatus and reproducing apparatus 失效
标题翻译：记录/重放装置和重放装置
公开(公告)号：EP0883118A2
公开(公告)日：1998-12-09
申请号：EP98304396.9
申请日：1998-06-03
申请人： HITACHI, LTD.
发明人： Nishijima, Hideo , Ohno, Shoji , Minabe, Kouji , Watanabe, Katsuyuki
IPC分类号： G11B15/18 , G11B15/467 , G11B5/008 , G11B5/53
CPC分类号： G11B5/534 , G11B5/0086 , G11B5/02 , G11B15/05 , G11B15/125 , G11B15/1875 , G11B15/44 , G11B15/4671 , G11B15/4673 , G11B15/4675 , H04N5/78263 , H04N9/7921
摘要： In a recording/reproducing apparatus and a reproducing apparatus based on a helical scan system for recording or reproducing a video signal and an audio signal on or from a magnetic tape (8) by use of a magnetic head assembly (2-7) mounted on a rotary drum (1), the recording/reproduction of an audio signal in both a standard play mode with a tape speed equal to a standard speed and a long play mode or N-ple play mode with a tape speed N times (N: an integer not smaller than 4) as high as the standard speed is performed by a common audio head (6, 7). At the time of reproduction in the N-ple play mode, the optimum tracking control is performed by a tracking control system (42) by use of an output of the audio head (6, 7). At the time of completion of recording in the N-ple play mode, a video signal is supplied with a time prolonged corresponding to the delay of scan of a video head (4, 5) from that of the audio head (6, 7) so that a video track is surely overwritten on an audio track. A high-speed fast feed/rewind speed at the time of N-ple play mode is set to a low value as compared with the tape speed at the time of standard play mode, thereby ensuring the detection of an index signal from the magnetic tape (8) in the N-ple play mode.

4. 发明授权

EP0509563B1 Magnetic recording and reproducing apparatus 失效
公开(公告)号：EP0509563B1
公开(公告)日：1997-01-29
申请号：EP92112073.9
申请日：1987-10-28
申请人： HITACHI, LTD.
发明人： Yamanushi, Fumihiko , Yoshioka, Atsushi Kashiwadai Kurarute 1122 , Watanabe, Katsuyuki , Masuda, Michio , Miura, Kuniaki
IPC分类号： H04N9/83 , H04N9/79 , G11B15/07 , G11B23/087
CPC分类号： H04N9/83 , H04N9/833

5. 发明公开

EP0509563A2 Magnetic recording and reproducing apparatus 失效
标题翻译：磁记录和再现设备
公开(公告)号：EP0509563A2
公开(公告)日：1992-10-21
申请号：EP92112073.9
申请日：1987-10-28
申请人： HITACHI, LTD.
发明人： Yamanushi, Fumihiko , Yoshioka, Atsushi Kashiwadai Kurarute 1122 , Watanabe, Katsuyuki , Masuda, Michio , Miura, Kuniaki
IPC分类号： H04N9/83 , H04N9/79 , G11B15/07 , G11B23/087
CPC分类号： H04N9/83 , H04N9/833
摘要： A magnetic recording and reproducing apparatus of a cassette type has a first and a second recording mode converting a luminance signal of a video signal into an FM luminance signal having a first and a second carrier frequency and recording the FM luminance signal on a magnetic tape respectively. When the FM luminance signal is to be recorded according to the second recording mode, a magnetic tape having an excellent short wavelength recording characteristic is used for recording. A cassette (124) containing this magnetic tape is provided with a configurational feature on its upper or lower half, and a detector (121) for detecting this feature is disposed in the apparatus. When the detector detects that a magnetic tape is adapted for recording according to the first recording mode, the FM luminance signal is recorded according to the first recording made, but when the detector detects that the magnetic tape is adapted for recording according to the second recording mode, the user can select either the first recording mode or the second recording mode as desired. A discriminating circuit (12) is disposed in the reproducing system to discriminate as to whether the FM luminance signal was recorded according to the first recording mode or the second recording mode, and, on the basis of the result of discrimination by the discriminating circuit, the reproduced FM luminance signal is automatically processed in a processing circuit (11) with a processing characteristic corresponding to the recording mode.
摘要翻译：盒式磁记录和重放装置具有第一和第二记录模式，将视频信号的亮度信号转换成具有第一和第二载波频率的FM亮度信号并分别将该磁场强度信号记录在磁带上。当根据第二记录模式记录FM亮度信号时，使用具有优异的短波长记录特性的磁带进行记录。包含这种磁带的磁带盒（124）在其上半部分或下半部分上具有构造特征，并且在该装置中设置有用于检测该特征的检测器（121）。当检测器根据第一记录模式检测到磁带适于记录时，根据作出的第一记录来记录FM亮度信号，但是当检测器根据第二记录检测到磁带适于记录时模式，用户可以根据需要选择第一记录模式或第二记录模式。识别电路（12）设置在再现系统中，以根据第一记录模式或第二记录模式来判别FM亮度信号是否被记录，并且根据识别电路的识别结果，再现的FM亮度信号在具有对应于记录模式的处理特性的处理电路（11）中被自动处理。

6. 发明公开

EP0198511A1 Magnetic recording/reproducing apparatus 失效
标题翻译：设备，用于磁记录/重放。
公开(公告)号：EP0198511A1
公开(公告)日：1986-10-22
申请号：EP86105425.2
申请日：1986-04-18
申请人： HITACHI, LTD.
发明人： Watanabe, Katsuyuki , Ozaki, Shinji , Watatani, Yoshizumi
IPC分类号： G11B5/53
CPC分类号： G11B5/024 , G11B5/0086 , G11B5/00878 , G11B5/531 , G11B15/14
摘要： A magnetic recording/reproducing apparatus in which at least two recording and reproducing magnetic heads (18, 19; 25, 26, 27; 28; 36; 37; 38; 39) are mounted on a rotatable cylinder (17; 24; 35) with an angular distance of 180° therebetween, wherein audio signals undergone a pulse code modulation are recorded on record tracks slanted relative to the longitudinal direction of a magnetic tape (1) wrapped around the rotatable cylinder. The record track is divided trackwise into a plurality of channels (CH). The audio signals are recorded on the channel basis. The magnetic tape is transported in a forward or backward direction while recording or reproduction is conducted. The rotatable cylinder has mounted thereon a first erasing head (20; 29; 40; 59; 72) rendered operative when the magnetic tape is transported in the forward direction and a second erasing head (21; 30; 41; 60; 73) operative when the magnetic tape is transported in the backward direction for erasing only the audio signal of a given channel on the record track.

7. 发明公开

EP0849938A2 A magnetic recording/reproducing apparatus and the same equiped with an image sensor 失效
标题翻译： Magnetisches Aufnahme- /Wiedergabegerät，das mit einem Bildsensorausgerüstetist
公开(公告)号：EP0849938A2
公开(公告)日：1998-06-24
申请号：EP97122050.4
申请日：1997-12-15
申请人： Hitachi, Ltd. , Hitachi Video & Information System, Inc.
发明人： Watanabe, Katsuyuki , Nishijima, Hideo , Ono, Koichi , Nishizawa, Akihito , Hori, Kazuaki
IPC分类号： H04N5/00
CPC分类号： H04N5/772 , H04N9/83 , Y10S358/906
摘要： A magnetic recording/reproducing apparatus equipped with an image sensor, comprising:

a camera portion having an A/D converter for converting a signal from an image sensor into a digital signal and a first digital processor for receiving an output of said A/D converter and for digitally processing thereof;
a VTR portion of a helical scan type mounting at least two or more of magnetic heads for recording/reproducing a FM modulated luminance signal and a low band converted chrominance signal;
a second digital processor for processing an video signal of the VTR; and
a switching circuit provided in a preceding stage of said A/D converter, whereby the signal from said image sensor, an external video signal and a reproduced signal from said magnetic heads are exchanged, the output of said A/D converter is inputted to said second digital processor, and a sampling clock of said A/D converter is exchanged to most profitable clock for the signal from said image sensor, the external video signal and the reproduced signal from the magnetic heads, respectively.
摘要翻译：一种配备有图像传感器的磁记录/再现装置，包括：具有用于将来自图像传感器的信号转换为数字信号的A / D转换器的相机部分和用于接收所述A / D转换器的输出的第一数字处理器并进行数字处理; 安装用于记录/再现FM调制亮度信号和低频带转换色度信号的至少两个或更多个磁头的螺旋扫描型的VTR部分; 用于处理VTR的视频信号的第二数字处理器; 以及设置在所述A / D转换器的前一级的开关电路，由此来自所述图像传感器的信号，外部视频信号和来自所述磁头的再现信号被交换，所述A / D转换器的输出被输入到所述第二数字处理器，并且所述A / D转换器的采样时钟分别被交换为来自所述图像传感器的信号的最有利时钟，外部视频信号和来自磁头的再现信号。

8. 发明授权

EP0198511B1 Magnetic recording/reproducing apparatus 失效
标题翻译：磁记录/再现设备
公开(公告)号：EP0198511B1
公开(公告)日：1991-07-31
申请号：EP86105425.2
申请日：1986-04-18
申请人： HITACHI, LTD.
发明人： Watanabe, Katsuyuki , Ozaki, Shinji , Watatani, Yoshizumi
IPC分类号： G11B5/53
CPC分类号： G11B5/024 , G11B5/0086 , G11B5/00878 , G11B5/531 , G11B15/14

9. 发明公开

EP0103287A3 Recording and reproducing apparatus for a video tape recorder 有权
标题翻译：录像和再现录像机的录像带
公开(公告)号：EP0103287A3
公开(公告)日：1986-11-26
申请号：EP83108932
申请日：1983-09-09
申请人： HITACHI, LTD.
发明人： Shibata, Akira , Yoshioka, Atsushi , Watanabe, Katsuyuki
IPC分类号： H04N09/497
CPC分类号： H04N9/793 , H04N9/79 , H04N9/7921 , H04N9/7933 , H04N9/8355
摘要： In a video tape recorder of the two-head helical scan system, a wrap angle of a magnetic tape (7) around a rotary head mechanism is set to more than 180°, e.g. about 220°, and an overlap recording section is provided in a recording track. A time compressed audio signal and a pilot signal for the tracking control are recorded in the overlap recording section. A frequency modulated luminance signal, low-frequency converted carrier color signal, frequency modulated audio signal, and pilot signal are mixed, and this mixed signal is recorded in another section of the recording track. Regulator means (34; 264, 271; 340) is provided to conjointly set the recording current levels of the low-frequency converted carrier color signal, frequency modulated audio signal, and pilot signal which are mixed to the frequency modulated luminance signal and recorded. The recording current levels of the time compressed audio signal and the frequency modulated luminance signal are respectively and individually set. When different kinds of magnetic tapes (e.g. metal powder tape and metal evaporated tape) are used, a level switching circuit (352) is provided to switch the recording level of the signal of which the low-frequency converted carrier color signal, frequency modulated audio signal and pilot signal were mixed in accordance with the kinds of tapes.

10. 发明授权

EP0103287B1 Recording and reproducing apparatus for a video tape recorder 有权
标题翻译：录像和再现录像机的录像带
公开(公告)号：EP0103287B1
公开(公告)日：1991-01-09
申请号：EP83108932.1
申请日：1983-09-09
申请人： HITACHI, LTD.
发明人： Shibata, Akira , Yoshioka, Atsushi , Watanabe, Katsuyuki
IPC分类号： H04N9/475 , H04N9/83
CPC分类号： H04N9/793 , H04N9/79 , H04N9/7921 , H04N9/7933 , H04N9/8355

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