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1. 发明授权

US4325037A Acoustic wave filter 失效
标题翻译：声波滤波器
公开(公告)号：US4325037A
公开(公告)日：1982-04-13
申请号：US127814
申请日：1980-03-06
申请人： Wolf E. Bulst , Hans Eschler
发明人： Wolf E. Bulst , Hans Eschler
IPC分类号： H03H9/42 , H03H3/08 , H03H9/02 , H03H9/145 , H03H9/25 , H03H9/64
CPC分类号： H03H9/14514 , H03H9/14505
摘要： An acoustic wave filter comprising a piezoelectric substrate body upon which at least two digital structures are formed and which comprise input and output transducers and form a selective wave reflective pair with at least one of the digital structures having a wide band amplitude characteristic F1 and at least one of the other digital structures having a narrower frequency band amplitude characteristic and wherein the center frequency f1 of the wider band F1 digital structure is displaced relative to the center frequency f2 of the digital structure which has a narrower frequency band F2 by a frequency of .DELTA..sub.f on either side of the center frequency f1 so that one of the zero locations f.sub.R1'2 of the distortion signal F.sub.R of interdigital reflections is placed close to the value of the center frequency f.sub.0 of the filter.
摘要翻译：一种声波滤波器，包括压电基板主体，在该压电基板主体上形成有至少两个数字结构，并且包括输入和输出换能器，并且形成具有宽带振幅特性F1的至少一个数字结构的选择波反射对，并且至少其他数字结构之一具有较窄的频带幅度特性，并且其中较宽频带F1数字结构的中心频率f1相对于具有较窄频带F2的数字结构的中心频率f2偏移DELTA的频率 f，使得叉指反射的失真信号FR的零位置fR1'2中的一个位置靠近滤波器的中心频率f0的值。

2. 发明授权

US3964825A Apparatus and process for deflecting the direction of light beams in a controllable fashion 失效
标题翻译：用于以可控制的方式偏转光束的方向的装置和过程
公开(公告)号：US3964825A
公开(公告)日：1976-06-22
申请号：US527893
申请日：1974-11-27
申请人： Hans Eschler
发明人： Hans Eschler
IPC分类号： G02F1/33
CPC分类号： G02F1/33
摘要： An acousto-optic light deflector for controllably deflecting light beams in an optical system characterized by the deflectors being arranged in a matrix and wherein each deflector has a shape so that a standing sound wave is utilized to form a phase grating therein. Each of the units is provided with a piezoelectric transducer which creates a high frequency ultrasonic standing wave having a frequency between 30 and 200 MHz. The system may include an optical device for focusing all of the beams deflected in the same direction to a single spot on a plane.
摘要翻译：一种用于在光学系统中可控地偏转光束的声光偏转器，其特征在于偏转器布置成矩阵，并且其中每个偏转器具有使得立体声波在其中形成相位光栅的形状。每个单元设置有压电换能器，其产生频率在30和200MHz之间的高频超声驻波。该系统可以包括用于将在相同方向上偏转的所有光束聚焦到平面上的单个光点的光学装置。

3. 发明授权

US3947640A Method and device for recording data as holograms in a multi-channel storage tape 失效
标题翻译：用于在多通道存储带中将数据记录为全息图的方法和装置
公开(公告)号：US3947640A
公开(公告)日：1976-03-30
申请号：US521386
申请日：1974-11-06
申请人： Hartwig Ruell , Dietlind Pekau , Hans Eschler
发明人： Hartwig Ruell , Dietlind Pekau , Hans Eschler
IPC分类号： G02B27/00 , G03H1/04 , G11B7/00 , G11B7/003 , G11B7/0065 , G11C13/04 , H04N5/76 , H04N5/84
CPC分类号： H04N5/76 , G11B7/0065 , G11C13/042 , H04N5/89 , G03H2270/23
摘要： A method and apparatus for recording data in parallel extending information channels or tracks on a storage tape characterized by the object beam and reference beam being commonly and sequentially deflected in a direction perpendicular to the parallel information tracks or channels. The invention is also directed to a method of retrieving or reading-out the information which includes focusing a retrieval beam on the tracks with a cylindrical lens to either simultaneously illuminate each of the tracks and sequentially detect the information contained in the individual tracks or deflecting the focused beam sequentially in a vertical direction from track to track for sequentially retrieving the information recorded thereon.
摘要翻译：用于在存储带上并行地扩展信息信道或轨道中的数据记录数据的方法和装置，其特征在于对象光束和参考光束在垂直于平行信息轨道或通道的方向上共同且顺序地偏转。本发明还涉及一种检索或读出信息的方法，该方法包括使用柱面透镜将检索光束聚焦在轨道上，以同时照亮每个轨道并且顺序地检测包含在各个轨道中的信息或偏转在从轨道到轨道的垂直方向上顺序地收集聚焦光束，以便顺序地检索记录在其上的信息。

4. 发明授权

US3990771A Apparatus and method for holographic storage of data 失效
标题翻译：全息存储数据的装置和方法
公开(公告)号：US3990771A
公开(公告)日：1976-11-09
申请号：US453922
申请日：1974-03-22
申请人： Ulrich V. Hundelshausen, deceased , by Burkhard V. Hundelshausen, heir , by Irmela V. Bismarck, heir , Hans Eschler , Manfred Lang , Gerd Goldmann , Peter Graf , Horst Kiemle
发明人： Ulrich V. Hundelshausen, deceased , by Burkhard V. Hundelshausen, heir , by Irmela V. Bismarck, heir , Hans Eschler , Manfred Lang , Gerd Goldmann , Peter Graf , Horst Kiemle
IPC分类号： G03H1/04 , G11C13/04 , G03H1/30
CPC分类号： G11C13/042
摘要： Apparatus and method for holographic storage of data utilizing a light source and a number of light deflectors such that a single beam can be used to read data from a number of different holograms simultaneously.
摘要翻译：使用光源和多个光偏转器的数据全息存储的装置和方法，使得可以使用单个光束同时从许多不同的全息图读取数据。

5. 发明授权

US3989347A Acousto-optical data input transducer with optical data storage and process for operation thereof 失效
标题翻译：具有光学数据存储的声光数据输入传感器及其操作过程
公开(公告)号：US3989347A
公开(公告)日：1976-11-02
申请号：US587732
申请日：1975-06-17
申请人： Hans Eschler
发明人： Hans Eschler
IPC分类号： G02F1/33 , G11C13/04 , G03H1/04
CPC分类号： G02F1/332 , G11C13/042
摘要： The present invention is directed to the improvements in an apparatus for holographically recording data on a storage medium with the data being block-organized holographic data by spatially modulating a laser beam into a plurality of object beams which are directed at a storage medium to interfere with a reference beam to form the holographic recording. The improvements are that the means for spatially modulating comprises an acousto-optical light deflector having a large area, piezoelectric sound transducers disposed on the one side thereof, the sound transducer having n electrodes spaced thereon to form n transducer units which receive a signal with a frequency mixture of m frequencies to deflect the beam passing through each unit into m beam directions with the light frequency of each beam having a Doppler shift associated with the amount of deflection. The apparatus also includes providing a lens raster consisting of n times m lens elements arranged in a manner to widen each of the object beams to illuminate the entire hologram and means for compensating for the Doppler shift in the light frequencies of the object beams.
摘要翻译：本发明涉及用于在存储介质上全息记录数据的装置的改进，其中数据是块组织的全息数据，通过将激光束空间调制为指向存储介质的多个物体光束来干扰参考光束形成全息记录。改进之处在于，用于空间调制的装置包括具有大面积的声光偏转器，设置在其一侧的压电换能器，声传感器具有间隔开的n个电极，以形成n个换能器单元，其接收具有 m个频率的频率混合，以将通过每个单元的光束偏转成m个波束方向，每个波束的光频具有与偏转量相关联的多普勒频移。该装置还包括提供由以n个m个透镜元件组成的透镜光栅，该透镜元件以加宽每个对象光束以照亮整个全息图的方式，以及用于补偿对象光束的光频率中的多普勒频移的装置。

6. 发明授权

US4054367A Process and apparatus for high resolution non-mechanical deflection of light beams 失效
标题翻译：光束高分辨率非机械偏转的工艺和设备
公开(公告)号：US4054367A
公开(公告)日：1977-10-18
申请号：US645818
申请日：1975-12-31
申请人： Hans Eschler , Gerd Goldmann
发明人： Hans Eschler , Gerd Goldmann
IPC分类号： G02F1/29 , G06K15/12
CPC分类号： G06K15/1219 , G02F1/29
摘要： A process and apparatus for non-mechanically deflecting of a light beam with high resolution characterized by passing a linearly polarized beam through at least one electro-optical deflector and preferably two to obtain four possible beam directions, passing the four beam directions through a multicomponent deflector of prisms which direct each of the four beam directions to a given point on an acousto-optical light deflector which is a two-dimensional acousto-optical light deflector that deflects the beam into two-dimensional arrays on a screen or storage medium, with each one of the four beam directions causing the two-dimensional arrays to be disposed in a different quadrant of the screen or medium. Preferably, the beams leaving the acousto-optic deflector are passed through a four component polarizing filter which prevents undesired overlap between the zero order undeflected portion of the beam and the first orders. In one embodiment, at least one of the electro-optical deflectors which comprises a polarization switch or rotator and a polarization dividing filter which is a birefringement discriminator, such as a Wollaston prism or a Nicols prism is separated with the polarization switch disposed ahead of the acousto-optical deflector and the polarization dividing filter receiving the deflected beams from the acousto-optical device.
摘要翻译：一种用于以高分辨率非光学偏转光束的方法和装置，其特征在于使线性偏振光束通过至少一个电光偏转器，并且优选地通过两个以获得四个可能的光束方向，使四个光束方向通过多分量偏转器将四个光束方向中的每一个导向到声光偏转器上的给定点的棱镜，所述声光偏转器是二维声光偏转器，其将光束在屏幕或存储介质上偏转成二维阵列，每个四个光束方向中的一个导致二维阵列被布置在屏幕或介质的不同象限中。优选地，离开声光偏转器的光束通过四分量偏振滤光器，其防止光束的零级未偏转部分与第一级之间的不期望的重叠。在一个实施例中，包括偏振开关或旋转器的电光偏转器中的至少一个和作为双折射鉴别器的偏振分离滤光器，例如渥拉斯顿棱镜或尼科尔棱镜，其中偏振开关设置在声光偏转器和偏振分光滤光器接收来自声光装置的偏转光束。

7. 发明授权

US4051582A Techniques for producing an acousto-optical component or a wide-band ultrasonic component 失效
标题翻译：用于制造声光部件或宽带超声波部件的技术
公开(公告)号：US4051582A
公开(公告)日：1977-10-04
申请号：US641382
申请日：1975-12-16
申请人： Hans Eschler , Rudolf Oberbacher
发明人： Hans Eschler , Rudolf Oberbacher
IPC分类号： G02F1/33 , G10K11/32 , H01L41/316 , H01L41/22
CPC分类号： H01L41/316 , G02F1/33 , G10K11/32 , Y10T29/42 , Y10T29/49005
摘要： An acousto-optical component or other high frequency and wide-band ultrasonic component comprises a piezoelectric transducer and a crystalline or glass sound medium which are bonded together by a multi-layer metal molecular adhesion bond. During fabrication, the surfaces of the piezoelectric body and the sound medium which are to be connected are first polished to a degree of smoothness which is well below that of a Newton ring. These surfaces are then completely cleansed and a first metal layer having a thickness of 0.5-2 nm is vapor deposited onto each the cleansed surfaces. Next, a second metal layer having a thickness of 5-20 nm is vapor deposited onto each of the first layers. The transducer is then applied, by molecular adhesion, to the sound medium. To form a strong and reliable bond, only moderate pressures of about 250 to 1500 psi are necessary. A metal layer having a thickness of 0.3-0.6 .mu.m is vapor deposited over an extending portion of the multi-layer bond as a terminal for connection to a high frequency supply. Subsequently, the transducer is ground to a desired thickness in order to obtain a desired resonant frequency and a second electrode is applied to another surface of the piezoelectric body for connection to the high frequency supply.
摘要翻译：声光部件或其他高频和宽带超声波部件包括通过多层金属分子粘合结合在一起的压电换能器和结晶或玻璃声音介质。在制造过程中，要连接的压电体和声音介质的表面首先被抛光到一个很好的牛顿环的平滑度。然后将这些表面完全清洁，并且将厚度为0.5-2nm的第一金属层气相沉积到每个清洁表面上。接下来，将厚度为5-20nm的第二金属层气相沉积到每个第一层上。然后通过分子粘附将换能器施加到声音介质。为了形成坚固可靠的结合，仅需要约250至1500psi的中等压力。在多层接合的延伸部分上蒸镀厚度为0.3-0.6μm的金属层作为连接到高频电源的端子。随后，为了获得所需的谐振频率，将传感器研磨成所需的厚度，并且将第二电极施加到用于连接到高频电源的压电体的另一个表面。

8. 发明授权

US3998521A Linear data input transducer 失效
标题翻译：线性数据输入传感器
公开(公告)号：US3998521A
公开(公告)日：1976-12-21
申请号：US640785
申请日：1975-12-15
申请人： Hans Eschler
发明人： Hans Eschler
IPC分类号： G02F1/33 , G11C8/00 , G11C13/04
CPC分类号： G02F1/33 , G11C13/042 , G11C8/005
摘要： A linear data input transducer for modulating an object beam from a laser which is subsequently projected along with a reference beam onto a storage medium to holographically record data characterized by the transducer having a first acousto-optical light deflector for deflecting the object beam in a first direction, a second acousto-optical light deflector for deflecting the beam in a second direction, each of the first and second deflectors having sound waves extending at right angles to each other, and a device for applying a signal input to each deflector which includes a chain of high frequency oscillators which are independently actuated and an adder circuit for combining the output of the oscillators into the signal input. In one embodiment of the invention, the transducer has a single acousto-optical cell with the sound transducers disposed on the surface extending at right angles so that the transducer is a compact light deflector. In another embodiment, the transducer is composed of two separate cells which are aligned with the second light deflector receiving the beams deflected by the first light deflector.
摘要翻译：一种用于调制来自激光器的物体光束的线性数据输入传感器，随后将其与参考光束一起投影到存储介质上以全息地记录由换能器表征的数据，其具有第一声光偏转器，用于将物镜光束偏转在第一方向，第二声光偏转器，用于沿第二方向偏转光束，第一和第二偏转器中的每一个具有彼此成直角延伸的声波;以及用于将信号输入施加到每个偏转器的装置，包括独立驱动的高频振荡器链和用于将振荡器的输出组合成信号输入的加法器电路。在本发明的一个实施例中，换能器具有单个声光学单元，声音换能器设置在表面上以直角延伸，使得换能器是紧凑的光偏转器。在另一个实施例中，换能器由与第二光偏转器对准的两个分开的单元构成，第二光偏转器接收由第一光偏转器偏转的光束。

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