公开(公告)号：JP2007060193A

公开(公告)日：2007-03-08

申请号：JP2005242067

申请日：2005-08-24

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KOTANI YASUTAKA ,  KAWADA SHIYOUGO ,  SEKIGUCHI MASAMI

IPC: H04B1/38 ,  H01Q1/24 ,  H01Q1/44

Abstract: PROBLEM TO BE SOLVED: To provide a radio communication device advantageous on the stable sure transmission and reception of radio waves without being subject to the effect of a human body and a hanging member for hanging a radio machine. SOLUTION: An antenna 20 is extended from a place facing the rear of a neck to the place where the upper half of the body is faced to a front, under the state in which the hanging member 10 is hung to the neck; and a distance between the neck and the antenna 20 ensures a fixed value. Consequently, radio waves are transmitted equally extensively over the whole periphery of the upper half of the body of a user centering on the upper half of the body, and radio waves radiated from a section where the antenna 20 is faced to the neck are transmitted without being absorbed to the neck section. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种有利于无线电波的稳定的发送和接收的无线电通信装置，而不受人体的影响和用于悬挂无线电机器的悬挂构件的影响。 解决方案：在悬挂构件10悬挂在颈部的状态下，天线20从面向颈部后部的位置延伸到身体的上半部面对前方的位置; 并且颈部和天线20之间的距离确保固定值。 因此，无线电波在身体的上半部分的身体的上半身的整个周边的全周均匀地传播，并且从天线20面对颈部的部分辐射的无线电波被传输而没有 被吸收到颈部。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2003036605A

公开(公告)日：2003-02-07

申请号：JP2001221770

申请日：2001-07-23

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KOTANI YASUTAKA ,  YANAGI YUJI

IPC: G11B5/39 ,  G11B5/00 ,  G11B5/008 ,  G11B5/02 ,  G11B5/035 ,  G11B5/09 ,  G11B5/48 ,  G11B20/00 ,  G11B20/10 ,  G11B20/18

CPC classification number: G11B20/10175 ,  G11B5/00 ,  G11B5/00813 ,  G11B5/0086 ,  G11B5/02 ,  G11B5/035 ,  G11B5/09 ,  G11B5/488 ,  G11B20/00086 ,  G11B20/10009 ,  G11B20/10055 ,  G11B20/18 ,  G11B2005/0016 ,  G11B2020/1461 ,  G11B2220/2562

Abstract: PROBLEM TO BE SOLVED: To eliminate the influence of a crosstalk signal.
SOLUTION: A signal inputted from a data input 1 is subjected to the process suitable for the magnetic recording by a recording signal processing circuit 2 and supplied to a specified pre-coder 3. A signal from this pre-coder 3 is recorded on a recording medium 6 such as a magnetic tape by a recording head 5 through a recording amplifier 4. A signal read by a reproducing head 7 from this recording medium 6 is supplied to a reproduction equalizer amplifier 8 for amplification and equalization. This equalized signal is supplied to e.g. a circuit 10 having the channel characteristic of a partial response class 4 (PR4), through an A/D converter 9. An output signal from this circuit 10 is supplied to a decoder circuit 11 of PR4, and the signal detection is performed. Further, a signal from this decoder circuit 11 is transmitted to a reproduced signal processing circuit 12. Then, the demodulation, packet disassembling, error correction, etc., are carried out to this signal for taking it out as the data output 13.
COPYRIGHT: (C)2003,JPO

Abstract translation: 要解决的问题：消除串扰信号的影响。 解决方案：从数据输入端1输入的信号由记录信号处理电路2进行适合于磁记录的处理，并提供给指定的预编码器3.来自该预编码器3的信号被记录在记录 介质6，例如通过记录放大器4的记录头5的磁带。由再现头7从该记录介质6读取的信号被提供给用于放大和均衡的再现均衡器放大器8。 该均衡信号被提供给例如。 具有通过A / D转换器9的部分响应等级4（PR4）的通道特性的电路10.来自该电路10的输出信号被提供给PR4的解码器电路11，并且执行信号检测。 此外，来自该解码器电路11的信号被发送到再现信号处理电路12.然后，对该信号进行解调，分组分解，纠错等，作为数据输出13。

公开(公告)号：JP2003022507A

公开(公告)日：2003-01-24

申请号：JP2001208350

申请日：2001-07-09

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KOTANI YASUTAKA ,  TAKAGI KAZUO

IPC: G11B5/39 ,  G11B5/40 ,  G11B5/53 ,  G11B15/00

Abstract: PROBLEM TO BE SOLVED: To eliminate the possibility of destruction of an MR head due to static electricity. SOLUTION: A magnetic tape 3 wound round a reel hub 2S is supplied to a rotary drum 6 through tape guides 5a-5c, for instance, and the magnetic tape 3 passed through the peripheral surface of this rotary drum 6 is taken up by a reel hub 2T through tape guides 7a-7c. Then, a 1st means is provided for defining a potential of the MR head. That is, a shaft grounding 11 is arranged on the rotary drum 6, for instance, to make the GND of drum outside to be common with the GND of drum inside. Thus, the potential of the MR head provided in this rotary drum 6 becomes also equal to the GND of drum outside. Also as a 2nd means, any one of the tape guides 5a-5c and 7a-7c, or a plurality of them are electrically connected to the GND of drum outside. Thus, the potential of the magnetic tape 3 in contact with the tape guides 5a-5c and 7a-7c becomes equal to the GND of drum outside.

Abstract translation: 要解决的问题：消除由静电引起的磁头损坏的可能性。 解决方案：卷绕在卷轴毂2S上的磁带3例如通过带引导件5a-5c供给到旋转鼓6，并且通过该旋转鼓6的周面的磁带3被卷盘 轮毂2T通过带引导件7a-7c。 然后，提供用于限定MR头的电位的第一装置。 也就是说，旋转鼓6上设置有轴接地部11，例如使鼓外部的GND与鼓内部的GND共用。 因此，设置在该旋转鼓6中的MR磁头的电位也等于鼓外部的GND。 另外作为第二装置，磁带引导件5a-5c和7a-7c中的任何一个或其多个电连接到鼓外部的GND。 因此，与带导向件5a-5c和7a-7c接触的磁带3的电位变得等于鼓外​​面的GND。

公开(公告)号：JP2002373408A

公开(公告)日：2002-12-26

申请号：JP2001179159

申请日：2001-06-13

Applicant: Sony Corp ,  ソニー株式会社

Inventor： MIZUNO MASAYUKI ,  KOTANI YASUTAKA

IPC: G11B5/39 ,  G11B5/00 ,  G11B5/455

Abstract: PROBLEM TO BE SOLVED: To obtain an inspection method capable of surely and efficiently inspecting the normal/defective condition of a magnetoresistive effect magnetic head in the inspection method of the magnetoresistive effect magnetic head as a rotating magnetic head for the playing-back use to playback a magnetic tape, where a signal is azimuthally recorded, as to a magnetic player utilizing a helical scan method.
SOLUTION: In the inspection method of the magnetoresistive effect magnetic head as the rotating magnetic head for the playing-back use to playback the magnetic tape, whereon the signal is azimuthally recorded, as to the magnetic player utilizing the helical scan method, a track pattern of specific width recorded on a magnetic recording medium is played back by the magnetoresistive effect magnetic head to measure a sensitivity profile, and when the distance between two points lowered by a specific ratio from the peak of a sensitivity profile curve is discriminated as a prescribed value or larger, this magnetic head is set as the acceptable goods.
COPYRIGHT: (C)2003,JPO

Abstract translation: 要解决的问题：为了获得在磁阻效应磁头的检查方法中可以有效地检查磁阻效应磁头的正常/缺陷状态的检查方法作为用于回放使用的回转磁头 对于使用螺旋扫描方法的磁盘播放器，磁带，其中信号被方位角记录。 解决方案：在作为回放用旋转磁头的磁阻效应磁头的检查方法中，对于使用螺旋扫描方式的磁盘播放器，对信号进行方位记录的磁带进行重放，磁道图案 记录在磁记录介质上的特定宽度的磁阻效应磁头用于测量灵敏度分布，并且当从灵敏度曲线曲线的峰值降低特定比例的两点之间的距离被识别为规定值时 或更大，该磁头被设定为可接受的商品。

公开(公告)号：JP2002015402A

公开(公告)日：2002-01-18

申请号：JP2000195006

申请日：2000-06-28

Applicant: SONY CORP

Inventor： KOTANI YASUTAKA ,  TAKAGI KAZUO

IPC: G11B5/02 ,  G11B15/08

Abstract: PROBLEM TO BE SOLVED: To apply a magneto-resistance head having weakness to static electricity to reproduce a magnetic tape. SOLUTION: A magnetic tape 3 wound around a reel hub 28 is pulled out from a cassette easing 1, and fed to a rotary drum 6 via tape guides 4 and 5. The magnetic tape 3 passed through the peripheral surface of the rotary drum 6 is taken up via tape guides 7 and 8 by specified tension in a reel hub 2T housing in the cassette easing 1. Also, a capstan 9 and a pinch roller 10 are press-contacted and rotated, and thus the magnetic tape 3 is transferred at a controlled regulated speed. Furthermore, a leader tape 12 provided in the starting end and the termination of the magnetic tape 3 is made electrically conductive, and any one of the tape guides 4, 5, 7 and 8 and the capstan 9 is grounded. Thus, electrostatic voltages generated in the magnetic tape 3 and the leader tape 12 are eliminated through the tape guides 4, 5, 7 and 8, and the capstan 9, and the magneto-resistance head is prevented from being destroyed by static electricity.

公开(公告)号：JP2001093210A

公开(公告)日：2001-04-06

申请号：JP26605199

申请日：1999-09-20

Applicant: SONY CORP

Inventor： KOTANI YASUTAKA ,  MIZUNO MASAYUKI

IPC: H04N5/7826 ,  G11B5/48 ,  G11B5/584 ,  G11B15/14 ,  G11B15/467

Abstract: PROBLEM TO BE SOLVED: To obtain the satisfied data reproducing property even though a track pitch becomes narrow. SOLUTION: This device is furnished with a tape forwarding part 7 for forwarding a tape-like recording medium 100 whereon data are recorded by a recording track formed in the inclined state with respect to the running direction, a magnetic head 4 provided with a reproducing head for reproducing the data recorded on the tape-like recording medium 100 while having the reproduction head width narrower than the recording width of the recording track and with a recording head for recording the data, a rotary drum 5 for making the magnetic head 4 scan on the recording medium 100, a drum control part 6 for controlling so as to detect the data recorded on the recording medium 100 by controlling so that the number of scan times of the reproducing head scanning on the recording track becomes at least twice or more, and a reproduced signal processing part 3 for producing the data recorded on the recording medium 100 by using the data detected with the reproducing head scanning plural times on the recording track by the drum control part 6.

公开(公告)号：JP2000195189A

公开(公告)日：2000-07-14

申请号：JP37105898

申请日：1998-12-25

Applicant: SONY CORP

Inventor： MORI HIROYA ,  KOTANI YASUTAKA ,  YASAKA KAZUYUKI ,  OSABE HISAO ,  KIMURA MASANORI

IPC: G11B20/10 ,  G11B5/008 ,  G11B5/02 ,  G11B15/18 ,  G11B15/467 ,  G11B20/12 ,  H04N5/77 ,  H04N5/7826 ,  H04N9/79

Abstract: PROBLEM TO BE SOLVED: To improve functionality by forming recorded data corresponding to a digital recording format for a first magnetic tape, successively forming each track obliquely along the longitudinal direction of a wide second magnetic tape, and continuously recording the two track portions of the recorded data of the digital recording format against each track. SOLUTION: A video audio signal of the data format in the digital video method is recorded while a rotary drum 11 having the same diameter as in the analog 8 mm method is rotated in the direction of the arrow a3 against an 8 mm video tape 10. The rotary drum 11 is provided with two magnetic heads 12A, 12B having a different azimuth angle at positions oppositely facing each other. The magnetic heads 12A, 12B successively form tracks 13 obliquely along the longitudinal direction of the 8 mm video tape 10. In this case, the two track portions of the data in the digital video method are continuously recorded against one track 13, with the data pattern in the digital video method unchanged.

公开(公告)号：JPH11341306A

公开(公告)日：1999-12-10

申请号：JP14340598

申请日：1998-05-25

Applicant: SONY CORP

Inventor： OKAMOTO ICHIRO ,  YAMAMURA TAKAYA ,  KOTANI YASUTAKA ,  YOSHIOKA SHINGO

IPC: H04N5/12 ,  H03L7/10

Abstract: PROBLEM TO BE SOLVED: To reduce response time until a PLL is locked and also to reduce the scale of a circuit. SOLUTION: This digital PLL circuit, which produces an output signal of a frequency nfref by making the frequency fref of a reference input signal n times, has a 1st loop provided with an analog phase comparing means 6 which performs phase comparison of the reference pilot signal of a frequency f/m that is externally supplied with the feedback pilot signal of a frequency, that undergoes m frequency division of an output signal by a variable frequency dividing means 5 and controls the frequency of the output signal and a 2nd loop, which is provided with a digital frequency comparing means 2 that counts an output signal in each cycle of the reference input signal and produces a difference with the (n) as a stage number and a noise shaper 4 which integrates the stage number and calculates it for every cycle of the feedback pilot signal and controls the frequency of the output signal by changing the frequency division ratio of the means 5 of a 1st loop through the shaper 4.

公开(公告)号：JPH11306621A

公开(公告)日：1999-11-05

申请号：JP11237798

申请日：1998-04-22

Applicant: SONY CORP

Inventor： KOTANI YASUTAKA ,  SHIONO TORU ,  KIMURA MASANORI

IPC: G11B15/467

Abstract: PROBLEM TO BE SOLVED: To take out digital data and superimposed signal by one set of A/D conversion circuits. SOLUTION: The transmission signal from a transmitter 1, in which an optional weak low frequency signal is superimposed to e.g. digital data subjected to I-NRZI modulation, is transmitted. The noise of wide band is generated 2 and added 3 to the transmission signal, and this signal added with the noise is received by a receiver 4. This received signal is supplied to the A/D conversion circuit 7 through an amplifier 5 and an equalizer circuit 6, then the digitization by the optional over-sampling is performed. This digitized signal is supplied to a digital signal detecting circuit 9 such as e.g. a Viterbi decoder through e.g. PR4 (partial response class 4) equalizer circuit 8, then the transmitted digital data are taken out. Also, the signal from the A/D conversion circuit 7 is supplied to a digital filter 11 for extracting the weak low frequency signal, and this extracted signal is supplied to a signal detecting circuit 12, then the weak low frequency signal is taken out.

公开(公告)号：JPH11102578A

公开(公告)日：1999-04-13

申请号：JP26454197

申请日：1997-09-29

Applicant: SONY CORP

Inventor： SATO NAOYUKI ,  KOTANI YASUTAKA ,  OKAMOTO ICHIRO

IPC: G11B20/14

Abstract: PROBLEM TO BE SOLVED: To enable adjustment of clocks for all used frequencies and obtain a good bit error rate even in the presence of irregular characteristics of an LPF and a PLL, in a reproduction signal processing circuit provided with an analog/digital conversion means, which digitizes input signals as reproduction signals of digital data in accordance with a clock signal generated on the basis of the input signals by a clock signal generation means. SOLUTION: A control part 20 which controls a clock signal generation part 7 to adjust by an EVR 30 the phase of a clock signal to be fed to an A/D converter 6 on the basis of a phase error ER obtained by a phase error detection circuit 10 set at a letter stage of the A/D converter 6, is provided. A circuit characteristic change of the clock signal generation part 7 and a characteristic change of an LPF set on the former stage side than the A/D converter 6 are absorbed by the adjustment of the phase of the clock signal.