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    • 3. 发明授权
    • Method and a playback device for performing a track slip
    • 方法和用于执行轨道滑移的回放装置
    • US07065007B2
    • 2006-06-20
    • US09937006
    • 2001-01-18
    • Holger ZimmermannVolker BeckerJens MaierDieter Baas
    • Holger ZimmermannVolker BeckerJens MaierDieter Baas
    • G11B21/08
    • G11B7/08588G11B7/08505
    • A method for performing a track skip and a playback device for optical storage disks enable an accelerated track skip in the case of a non-moving storage disk in which a time is determined for the track skip of a read device between a current track and a selected track of a storage disk inserted in the playback device, as a function of the tracks to be skipped in this instance, and the read device is moved in the direction of the selected track for the determined time. In response to a track skip request, the read device is moved in the direction of a lead-in area of the optical storage disk until a starting position is detected. The time necessary for the track skip from starting position to the selected track is determined from this track.
    • 用于执行光盘存储盘的轨道跳过和重放装置的方法使得能够在不移动存储盘的情况下加速轨道跳跃,其中确定了当前轨道和当前轨道之间的读取装置的轨迹跳过时间 根据在这种情况下要跳过的轨道的功能,插入回放设备中的存储盘的所选轨道,并且读取设备沿所选择的轨道的方向移动所确定的时间。 响应于轨道跳过请求,读取设备沿光存储盘的导入区域的方向移动,直到检测到起始位置。 从该轨迹确定轨道从起始位置跳到所选轨道所需的时间。
    • 4. 发明授权
    • Method of reading data off a rotating recording medium
    • 从旋转记录介质读取数据的方法
    • US5384759A
    • 1995-01-24
    • US103143
    • 1993-08-09
    • Dieter Baas
    • Dieter Baas
    • G11B7/005G11B7/085G11B19/12G11B20/18G11B27/10G11B27/11G11B27/32G11B17/22
    • G11B7/08505G11B19/12G11B20/1803G11B27/105G11B27/11G11B27/329G11B7/005G11B2220/2545G11B2220/65
    • A method of reading recorded-data on a spiral data track of a rotating recording medium which is scanned by a radially moveable scanning device. The scanning device follows the spiral data track and appears to shift from one track to another. The directory data are divided into a plurality of directory data blocks and stored on the spiral data track. Each of the data blocks represents a different characteristic of the recorded-data and at least n+1 identical blocks for each characteristic are sequentially arranged on the spiral data track, n being a whole number. The directory data are read by moving the scanning device from one data block to another. The motion between data blocks occurs either along the same track, inwardly from one track to another, or outwardly from one track to another and therefore the scanning of all n+1 blocks for every characteristic is not necessary.
    • 一种在由可径向移动的扫描装置扫描的旋转记录介质的螺旋数据轨道上读取记录数据的方法。 扫描设备遵循螺旋数据轨道,并且看起来从一个轨道移动到另一个轨道。 目录数据被分成多个目录数据块并存储在螺旋数据轨道上。 每个数据块表示记录数据的不同特性,并且每个特性的至少n + 1个相同块顺序排列在螺旋数据轨道上,n为整数。 通过将扫描装置从一个数据块移动到另一个数据块来读取目录数据。 数据块之间的运动可以沿相同的轨道发生,从一个轨道向内,另一个轨迹向外发生,或者从一个轨迹向外发射到另一个轨道,因此不需要对每个特征的所有n + 1个块进行扫描。
    • 5. 发明授权
    • Compact-disk player arrangement for reading out a table of contents
after insertion of a compact disk
    • 压缩盘播放机布置,用于在插入光盘后读出目录
    • US4907213A
    • 1990-03-06
    • US149663
    • 1988-01-28
    • Dieter Baas
    • Dieter Baas
    • G11B27/00G11B20/18G11B27/10G11B27/11G11B27/30G11B27/32
    • G11B20/1883G11B20/1803G11B27/105G11B27/11G11B27/329G11B2220/20G11B2220/2545G11B2220/65
    • Compact-disk players read out some of the redundant table of contents on a compact disk and enter the data in a memory. Since the position of the beam of scanning light is random at the commencement of the read-out and entry process, it can in certain situations take longer for the beam to arrive at the first block (A0) in the table of contents, at which entering is to begin.To decrease the read-out and entry time the beam of light is diverted to the first block (A0) from whatever block it happens to be at at the commencement of the process. In a variant of the process the data are stored commencing with the block that the beam happens to be at at the commencement and ending with the next block with the same content. In a third version the entry commences with the block that the beam happens to be at at the commencement and, when the beam arrives at the last block to be entered, it skips back to the first block (A0) and enters the rest of the data.
    • 压缩盘播放器读出光盘上的一些冗余目录,并将数据输入到内存中。 由于扫描光束的位置在读出和进入处理开始时是随机的,所以在某些情况下,在某些情况下,波束到达目录中的第一个块(A0)需要较长的时间, 进入即将开始。 为了减少读取和进入时间,光束从处理开始时发生的任何块转移到第一个块(A0)。 在该过程的变型中,数据从块开始存储,波束恰好在起始处并且以具有相同内容的下一个块结束。 在第三个版本中,条目开始于光束恰好在开始时,当光束到达要输入的最后一个块时,它跳回到第一个块(A0),并进入其余的 数据。
    • 6. 发明授权
    • Method of regulating the focusing and guiding of a light beam
    • 调节光束聚焦和引导的方法
    • US06219315B1
    • 2001-04-17
    • US09269630
    • 1999-03-30
    • Willy BuchsDieter BaasRoland CochardPierre Jeannin
    • Willy BuchsDieter BaasRoland CochardPierre Jeannin
    • G11B700
    • F16F15/022G11B7/0946G11B33/08
    • A method is proposed which serves to control the focusing of a light beam, aimed at a rotating recording medium (25) for reading data, of a scanner (15, 20) onto the recording medium (25) and the guidance of the light beam along the data tracks of the recording medium (25), each by means of a respective control circuit. The scanner (15, 20) and the recording medium (25) are mounted on a fundamental substrate (10) in at least one housing (1), and the at least one housing (1), together with the fundamental substrate (10), the scanner (15, 20) and the recording medium (25), forms a coupled mechanical oscillator, which is vibrated as a function of a vibration spectrum (75); the scanner (15, 20) is accelerated by the vibration and a relative motion of the recording medium (25) with respect to the scanner (15, 20) is effected, and the amplitudes of the relative motion and the accelerations have a frequency response. The masses, spring constants and damping values of the scanner (15, 20), the recording medium (25), the fundamental substrate (10), and the at least one housing (1) are selected such that the frequencies at which the amplitudes of the relative motion of the recording medium (25) relative to the scanner (15, 20) and the accelerations acting on the scanner (15, 20) are maximal are located in a frequency band of the respective control circuit in which an amplification is performed, and the maximum values of the amplitudes in that frequency band do not exceed a predetermined value.
    • 提出了一种方法,其用于控制​​针对扫描仪(15,20)到记录介质(25)上的用于读取数据的旋转记录介质(25)的光束的聚焦以及光束的引导 沿着记录介质(25)的数据轨道,各自通过相应的控制电路。 扫描仪(15,20)和记录介质(25)安装在至少一个壳体(1)中的基底基板(10)上,并且至少一个壳体(1)与基底基板(10) ,所述扫描器(15,20)和所述记录介质(25)形成耦合的机械振荡器,其被振动作为振动谱(75)的函数; 扫描器(15,20)被振动加速,并且影响记录介质(25)相对于扫描仪(15,20)的相对运动,并且相对运动和加速度的幅度具有频率响应 。 扫描器(15,20),记录介质(25),基底基板(10)和至少一个壳体(1)的质量,弹簧常数和阻尼值被选择为使得振幅 记录介质(25)相对于扫描器(15,20)的相对运动和作用在扫描器(15,20)上的加速度最大的位置位于相应控制电路的频带中,其中放大是 并且该频带中的振幅的最大值不超过预定值。
    • 7. 发明授权
    • Electrical system usable for car radio and CD changer
    • 电气系统可用于汽车收音机和CD换碟机
    • US5905313A
    • 1999-05-18
    • US887741
    • 1997-07-03
    • Wilhelm WoehlDieter Baas
    • Wilhelm WoehlDieter Baas
    • E05B49/00B60L1/00B60R11/02E05B47/00G07C11/00G08B13/06G08B13/14G08B13/22G08B15/00G08B23/00G11B31/00H02J9/04H05K11/00
    • B60L1/00B60R11/02G07C11/00G11B31/003H02J9/04H05K11/00G08B13/1409Y02T90/16
    • An electrical device (1), especially a CD changer, is proposed, which offers protection against theft. An electrical device (1) is connected by a connecting cable (35) to a second electrical device (5), especially to a car radio. The connection has a first pole (95) for a first reference potential (15) and a second pole (100) for a second reference potential (25). In the second electrical device (5), the first reference potential (15) is connected to the second reference potential (25). A third pole (55) contains a supply voltage feed for the first electrical device (1). In the first electrical device (1), a control unit (40) is provided for controlling the first electrical device (1). When the connection between the first and second poles (95, 100) is cut, the residual charge remaining in the first electrical device (1) produces a voltage difference between these two poles (95, 100), as a result of which a security procedure is initiated in control unit (40).
    • 提出了一种电气设备(1),特别是CD换碟机,其提供防盗的保护。 电气设备(1)通过连接电缆(35)连接到第二电气设备(5),特别是连接到汽车无线电设备。 连接具有用于第一参考电位(15)的第一极(95)和用于第二参考电位(25)的第二极(100)。 在第二电气设备(5)中,第一参考电位(15)连接到第二参考电位(25)。 第三极(55)包含用于第一电气设备(1)的电源电压馈送。 在第一电气设备(1)中,设置有用于控制第一电气设备(1)的控制单元(40)。 当第一和第二极(95,100)之间的连接被切断时,残留在第一电气装置(1)中的剩余电荷在这两个极(95,100)之间产生电压差,结果是安全 程序在控制单元(40)中启动。
    • 8. 发明授权
    • Process for searching for a track on a rotating plate-like information
support and circuit for performing the process
    • 用于在旋转的板状信息支持和电路上搜索轨道以执行该过程的过程
    • US4847821A
    • 1989-07-11
    • US138519
    • 1987-08-24
    • Dieter Baas
    • Dieter Baas
    • G11B7/085G11B21/08G11B21/10
    • G11B21/083
    • A writing and/or reading head can write and/or read data on the tracks of an information support. The writing and/or reading head can be positioned over each track of the information support by means of a coarse-feed drive (S, G) and by a fine-feed drive (S, F) which is mechanically linked with the coarse-feed drive. When searching for a track, the coarse-feed drive travels fast over the tracks until it stops at the target track. The braking phase of the coarse-feed drive is kept short by a large time-log. At the latest at the beginning of the braking phase of the coarse-feed drive the regulating circuit of the fine-feed drive is disconnected. During the braking phase a control signal is applied to the fine-feed drive which clamps the mechanical oscillations of the fine-feed drive as a result of the inertial forces which arise when the coarse-feed drive is braked. Consequently, after braking of the coarse-feed drive, the regulating circuit of the fine-feed drive can again be connected. The fine-feed drive is then brought precisely over the track sought.
    • PCT No.PCT / EP86 / 00709 Sec。 371日期1987年8月24日 102(e)日期1987年8月24日PCT公布1986年12月4日PCT公布。 出版物WO87 / 03731 日期:1987年6月18日。写入和/或读取头可以在信息支持的轨道上写入和/或读取数据。 写入和/或读取头可以通过粗饲料驱动(S,G)和通过精加工驱动(S,F)定位在信息支撑的每个轨道上,该细进给驱动器(S,F)与粗饲料驱动 进料驱动。 当搜索轨道时,粗饲料驱动器在轨道上快速行进,直到其停在目标轨道。 粗饲料驱动器的制动阶段保持较短的大时间对数。 最初在粗饲料驱动的制动阶段开始时,细饲料驱动器的调节电路断开。 在制动阶段期间,控制信号被施加到细进给驱动器,由于在粗进给驱动器被制动时产生的惯性力,夹紧精料供给驱动器的机械振荡。 因此,在粗饲料驱动的制动之后,可以再次连接细饲料驱动器的调节电路。 然后将精细送料驱动器精确地放在追求的轨道上。