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41. 发明授权

US3013231A Television tuner 失效
公开(公告)号：US3013231A
公开(公告)日：1961-12-12
申请号：US55664855
申请日：1955-12-30
申请人： SARKES TARZIAN
发明人： MEADOWS STANLEY R , VALDETTARO ALARICO A
IPC分类号： H03J5/28
CPC分类号： H03J5/28 , Y10S116/29 , Y10T29/49004

42. 发明授权

US2835818A Television tuner 失效
标题翻译：电视调谐器
公开(公告)号：US2835818A
公开(公告)日：1958-05-20
申请号：US48091855
申请日：1955-01-10
申请人： OAK MFG CO
发明人： WM SELBMANN RUDOLF , TUCCI MORRIS L , WALTER PIWINSKI
IPC分类号： H01F27/00 , H03J5/28
CPC分类号： H01F27/004 , H03J5/28

43. 发明授权

US2834851A Electrical apparatus 失效
公开(公告)号：US2834851A
公开(公告)日：1958-05-13
申请号：US58321356
申请日：1956-05-07
申请人： OAK MFG CO
发明人： MASTNEY EDWARD J , FICHTER LUDWIG J
IPC分类号： H01H19/58 , H03J5/28
CPC分类号： H03J5/28 , H01H19/58

44. 发明授权

US2786135A Television tuner for continuous tuning over two v. h. f. bands and the u. h. f. band 失效
标题翻译：电视调谐器，用于连续调谐两个v。h。 F。乐队和你。 H。 F。带
公开(公告)号：US2786135A
公开(公告)日：1957-03-19
申请号：US32934753
申请日：1953-01-02
申请人： MALLORY & CO INC P R
发明人： GARRIGUS WALTER E , SKILLMAN NED C , CLAIRE WAINWRIGHT
IPC分类号： H03J5/28
CPC分类号： H03J5/28

45. 发明授权

US2718623A Tuner 失效
标题翻译：调谐器
公开(公告)号：US2718623A
公开(公告)日：1955-09-20
申请号：US24443651
申请日：1951-08-30
申请人： MOTOROLA INC
发明人： YODER RAYMOND S , SMITH HARVEY F
IPC分类号： H03J5/28
CPC分类号： H03J5/28

46. 发明授权

US2627579A Tunable amplifier and converter unit for radio apparatus 失效
标题翻译：无线电设备的可调谐放大器和转换器单元
公开(公告)号：US2627579A
公开(公告)日：1953-02-03
申请号：US8031049
申请日：1949-03-08
申请人： STANDARD COIL PROD CO INC
发明人： CARLTON WASMANSDORFF
IPC分类号： H01F21/02 , H03D7/08 , H03J5/28
CPC分类号： H01F21/02 , H03D7/08 , H03J5/28

47. 发明授权

US2543560A Means for varying the inductive reactance of electrical circuits 失效
标题翻译：改变电路电感的方法
公开(公告)号：US2543560A
公开(公告)日：1951-02-27
申请号：US16128850
申请日：1950-05-11
申请人： STANDARD COIL PROD CO INC
发明人： THIAS EDWIN P
IPC分类号： H01F21/12 , H03J5/28
CPC分类号： H03J5/28 , H01F21/12

48. 发明授权

US1792276A Selective coupling for radio systems 失效
标题翻译：无线电系统的选择耦合
公开(公告)号：US1792276A
公开(公告)日：1931-02-10
申请号：US66012723
申请日：1923-08-30
申请人： WESTINGHOUSE ELECTRIC & MFG CO
发明人： CHUBB LEWIS W
IPC分类号： F16L59/02 , H03J5/28
CPC分类号： F16L59/021 , H03J5/28

49. 发明授权

US4311056A Pre-setting fine tuning device for a turret type television tuner 失效
标题翻译：用于转塔式电视调谐器的预设置微调装置
公开(公告)号：US4311056A
公开(公告)日：1982-01-19
申请号：US97847
申请日：1979-11-27
申请人： Takeyoshi Tanida
发明人： Takeyoshi Tanida
IPC分类号： H03J1/14 , H03J5/28 , F16H35/06 , G05G1/10
CPC分类号： H03J1/14 , Y10T74/19516
摘要： The present television fine tuning is so constructed that an initial rotation establishes the fine tuning state and that a continued rotation of the fine tuning shaft performs the fine tuning. For this purpose the present tuner comprises a fine tuning driving member, a rotation transmitting idler member, a plate spring for supporting the idler member and a fine tuning driven member. The driving member includes a fine tuning shaft, a slide gear and a slip clutch mounted in front of a chassis concentrically around a channel selector shaft supported in the chassis. The spring member has freely slidable end portions disposed between the chassis and the slide gear for biasing the slide gear in the forward direction. The idler member is movably arranged on the spring member for transmitting the fine tuning movement. The slide gear has a gear back of a flange and a driven cam surface in the front of the flange and is operatively mounted around the slip clutch. The fine tuning shaft has a driving cam cooperating with the driven cam surface of the slide gear. A change in the shape of the plate spring shifts the idler member axially in response to initial rotation of the fine tuning shaft.
摘要翻译：本电视微调被构造成使得初始旋转建立微调状态，并且微调轴的继续旋转执行微调。为此，本调谐器包括微调驱动构件，旋转传递惰轮构件，用于支撑惰轮构件的板簧和微调从动构件。驱动构件包括微调轴，滑动齿轮和滑动离合器，其安装在底盘前方同心地围绕支撑在底盘中的通道选择器轴。弹簧构件具有设置在底盘和滑动齿轮之间的可自由滑动的端部，用于沿前进方向偏压滑动齿轮。惰轮构件可移动地布置在弹簧构件上用于传递微调运动。滑动齿轮具有凸缘的齿轮背面和凸缘前部的从动凸轮表面，并且可操作地安装在滑动离合器周围。微调轴具有与滑动齿轮的从动凸轮表面配合的驱动凸轮。板簧的形状的变化响应于微调轴的初始旋转而使惰轮构件轴向移动。

50. 发明授权

US4175259A Construction of preset plate for VHF tuner 失效
标题翻译： VHF调谐器预置板的构造
公开(公告)号：US4175259A
公开(公告)日：1979-11-20
申请号：US861161
申请日：1977-12-16
申请人： Tasuku Noji
发明人： Tasuku Noji
IPC分类号： H01H19/56 , H03J1/14 , H03J5/28 , H03J5/02 , H01H19/58 , H03J1/00
CPC分类号： H03J1/14 , H03J5/28 , H01H19/563
摘要： Disclosed is a preset plate for a VHF tuner, having a first and a second rotary bodies which are unitarily mounted on a main shaft of the VHF tuner. The first rotary plate has a plurality of coils corresponding to respective channels to be selected and a number of switching contact pieces, while the second rotary body carries a plurality of fine-adjusting screws for getting into and out of the cavities of respective coils for varying the inductance thereof. Stationary contact members are fixed on the frame of the tuner for engaging the successive switching contact pieces as the preset plate is rotated around the axis of the main shaft. The second rotary body has a plurality of axially projecting portions located between each adjacent switching contact pieces for engaging the stationary contact member at a portion of the latter other than the contact area for electrical contact with the switching contact pieces, during the rotation of the preset plate, so as to move the stationary contact member away from the plane of the switching contact pieces, so as to avoid frictional sliding engagement of the switching contact pieces with the stationary contact member, thereby to avoid the wear of contacts and, accordingly, to improve durability of the preset plate.
摘要翻译：公开了一种用于VHF调谐器的预设板，具有一体地安装在VHF调谐器的主轴上的第一和第二旋转体。第一旋转板具有对应于要选择的各个通道的多个线圈和多个开关接触片，而第二旋转体承载用于进入和离开各个线圈的空腔的多个微调螺钉，用于变化其电感。固定接触构件固定在调谐器的框架上，用于当预设板围绕主轴的轴线旋转时接合连续的切换接触片。第二旋转体具有位于每个相邻的开关接触片之间的多个轴向突出部分，用于在预设的旋转期间，在固定接触构件的后部的一部分处，用于与接触区域接触，以便与开关接触片电接触。以使固定接触构件远离开关接触片的平面移动，以避免开关接触片与固定接触构件的摩擦滑动接合，从而避免接触的磨损，因此，提高预置板的耐用性。

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