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    • 4. 发明申请
    • PHONOGRAPH TONE ARM SYSTEM
    • PHONOGRAPH音调ARM系统
    • WO1981000164A1
    • 1981-01-22
    • PCT/US1980000799
    • 1980-06-26
    • MASTERSON ENG INC
    • MASTERSON ENG INCMASTERSON E
    • G11B03/38
    • G11B3/31G11B3/38
    • An improved phonograph tone arm device (33) in which the pickup, including the stylus, is supported on a low friction air-bearing support (25) which provides for essentially frictionless movement of the tone arm (33) and pickup (34) both in horizontal linear travel and vertical pivoting to assure proper stylus pressure. The tone arm support system includes a support member (25) having an upper surface (29) which is shaped as a right circular through or cylinder section and a floating member (30) which has a juxtaposed matching convex or concave lower surface. A recess (31) in the lower surface of the floating member forms a plenum to which air is supplied from one or more openings (28) in the support member. The length of the plenum is such that the supply openings are always beneath the plenum confines during the full traverse of the stylus across a record to be played to minimize the amount of air required and maximize uniformity of support for the floating member. Alternate embodiments allow either the upper or lower surface of the record to be played.
    • 7. 发明公开
    • ADJUSTABLE DUAL TENSIONING TONEARM DEVICE AND ASSEMBLY
    • EINSTELLBARE UND DOPPELT SPANNBARE TONARMVORRICHTUNG UND ANORDNUNG DAMIT
    • EP3005365A1
    • 2016-04-13
    • EP14806999.0
    • 2014-06-04
    • Gibson Brands, Inc.
    • BACH, AndrewJURSCH, Gus
    • G11B3/08
    • G11B21/16G11B3/02G11B3/31G11B3/32
    • A record player capable of playing phonographic records that may be played in a scratch style by a user. The record player includes a tonearm that is rotatably supported at or near an end of the tonearm by a structure having both horizontally and vertically fastening points to the tonearm. The fastening points are configured to receive a user activated tension adjustment element. A user may advance or retreat the tension adjustment element to selectably control the positioning, or relative tension in the tonearm such that any record skipping due to undesirable tonearm pressure is controlled, or to achieve a specific sound.
    • 能够播放用户可能以划痕风格播放的唱片记录的唱机。 记录播放器包括通过具有水平和垂直紧固点到Tonearm的结构可旋转地支撑在tonearm的端部附近的tonearm。 紧固点被配置为接收用户激活的张力调节元件。 用户可以推进或撤回张力调节元件以可选择地控制tonearm中的定位或相对张力,使得由于不期望的tonearm压力而导致的任何记录跳过被控制或者实现特定的声音。
    • 8. 发明公开
    • PHONOGRAPH TONE ARM SYSTEM
    • PHONOGRAPH TONE ARM系统
    • EP0031361A1
    • 1981-07-08
    • EP80901379.0
    • 1980-06-26
    • MASTERSON ENGINEERING INC.
    • MASTERSON, Earl E.
    • G11B3G11B21
    • G11B3/31G11B3/38
    • Un dispositif ameliore d'un bras acoustique d'un phonographe (33) dans lequel le "pick-up", y compris le style, est supporte sur un support de faible friction, a portance a air (25) qui assure un mouvement sensiblement sans friction du bras acoustique (33) et du "pick-up" (34) a la fois en deplacement lineaire horizontal et en pivotement vertical pour assurer une pression adequate du style. Le systeme de support du bras acoustique comprend un organe de support (25) ayant une surface superieure (29) ayant une forme de cuvette circulaire ou de section de cylindre et un organe flottant (30) qui possede une surface inferieure concave ou convexe correspondante juxtaposee. Un evidement (31) dans la surface inferieure de l'organe flottant forme une chambre de compression dans laquelle de l'air est alimente a partir d'une ou de plusieurs ouvertures (28) amenagees dans l'organe de support. La longueur de la chambre de compression est telle que les ouvertures d'alimentation se trouvent toujours sous les limites de la chambre de compression pendant toute la traversee par le style d'un disque joue pour reduire au minimum la quantite d'air requise et donner un maximum d'uniformite de support a l'organe flottant. D'autres modes de realisation permettent de jouer soit la face superieure soit la face inferieure d'un disque.
    • 一种改进的留声机(33)的声学臂的装置,其中包括风格的拾取装置被支撑在低摩擦的气升支撑件(25)上,该支撑件确保基本上 声音臂(33)和“拾取器”(34)在水平线性位移和垂直枢转中都不产生摩擦,以确保样式足够的压力。 声学臂支撑系统包括具有上表面(29)和下浮动部件(30)的支撑构件(25),所述上表面(29)具有圆形的碗或圆柱形截面形状,所述浮动构件(30)具有并置的对应的凹形或凸形下表面 。 浮动构件的下表面中的凹部(31)形成压缩室,空气从设置在支撑构件中的一个或多个开口(28)供应到压缩室中。 压缩室的长度使得进料口始终低于压缩室的范围,贯穿整个横向,​​由盘的形式起作用以使所需的空气量最小化并给予 对浮动构件的支撑的最大一致性。 其他实施例可以播放盘的上表面或下表面。
    • 9. 发明公开
    • Turntable for record playing deck
    • PlattentellerfürPlattenspieler。
    • EP0011068A1
    • 1980-05-28
    • EP78300624.0
    • 1978-11-13
    • A.R.D. TECHNICAL ASSISTANCE AND ENGINEERING SERVICES INTERNATIONAL ANSTALT
    • Gabr, Saad Zaghloul Mohamed
    • G11B3/60G11B3/14F16F15/00
    • G11B19/2009G11B3/31
    • A phonographic source has a turntable with a central hub joined by radial arms to a peripheral rim in which theweight of the turntable is concentrated so as to expose at least a major part of the underside of a record supported on the turntable. The record is supported at the hub, and by the arms and/or the rim, and in modification by one or more concentric rings. The central spindle of the turntable for reception in the record centre hole can be connected to the turntable drive shaft only indirectly, by a further construction in which the drive shaft connects with a lower turntable member connected with an upper turntable member for supporting the record by a concentric ring between the members. The source-can include a pick-up arm having a counter balance portion extending from the front position away from the portion carrying the cartridge, which counterbalance portion has at least approximately the shape of the other portion.
    • 语音源具有转盘,其具有通过径向臂连接到周边边缘的中心毂,其中转台的重量被集中,以便暴露支撑在转台上的记录的底面的至少大部分。 记录在轮毂和臂和/或轮辋上被支撑,并由一个或多个同心环进行修改。 用于在记录中心孔中接收的转盘的中心轴可以通过另外的结构间接连接到转盘驱动轴,其中驱动轴与与用于支撑记录的上转盘构件连接的下转台构件连接 成员之间的同心环。 源可以包括拾取臂,该拾取臂具有从前部位置远离支承盒的部分延伸的平衡部分,该平衡部至少具有大致其他部分的形状。