公开(公告)号：US3833920A

公开(公告)日：1974-09-03

申请号：US35259373

申请日：1973-04-19

Applicant: IIT RES INST

Inventor： CAMRAS M

IPC: H04N5/775 ,  G11B5/44 ,  H04N5/78

CPC classification number: H04N5/775

Abstract: Monochrome and color television recording and playback circuitry for coupling of a video magnetic transducer head with a standard broadcast television receiver, the circuitry including a coupling capacitor and means for supplying electric charge to one terminal of the capaictor, a record-playback switch connected between the other terminal of the capacitor and one terminal of the head winding, and a resistor for maintaining the other terminal of the capacitor substantially at ground potential while the switch is in playback position to prevent surges of current through the head winding during switching.

Abstract translation: 用于将视频磁换能器头与标准广播电视接收机耦合的单色和彩色电视记录和回放电路，该电路包括耦合电容器和用于向电容器的一个端子提供电荷的装置，连接在电容器上的记录重放开关 电容器的另一个端子和磁头绕组的一个端子，以及用于在开关处于重放位置时将电容器的另一个端子基本保持在接地电位的电阻器，以防止在切换期间电流通过磁头绕组的电流。

公开(公告)号：US3824619A

公开(公告)日：1974-07-16

申请号：US19997771

申请日：1971-11-18

Applicant: IIT RES INST

Inventor： CAMRAS M

IPC: G11B27/10 ,  G11B27/34 ,  H04N5/775 ,  H04N5/92 ,  H04N5/921 ,  H04N5/76

CPC classification number: G11B27/34 ,  G11B27/10 ,  H04N5/775 ,  H04N5/92 ,  H04N5/921

Abstract: A longitudinal scan transducing apparatus for use with a television receiver comprising a magnetic transducer head having transverse conductors for supplying high frequency bias, tape transport features including a damping pad acting on the tape adjacent the head for damping high frequency vibration at the head, head shifting and tape reversal features, and television set adapter circuitry for supplying a wide-band video signal and for stabilizing reproduced sync signals.

Abstract translation: 一种用于电视接收机的纵向扫描转换装置，包括具有用于提供高频偏置的横向导体的磁性换能器头，带传送特征，包括作用在邻近磁头的磁带上的阻尼垫，用于阻止头部的高频振动 和磁带反转特征，以及用于提供宽带视频信号和稳定再现的同步信号的电视机适配器电路。

公开(公告)号：US3808596A

公开(公告)日：1974-04-30

申请号：US11133371

申请日：1971-02-01

Applicant: IIT RES INST

Inventor： KAZEL S

IPC: G01S7/04 ,  G01W1/00

CPC classification number: G01S7/04

Abstract: A passive mapping system employs an antenna or other sensing means having a receiving beam pattern which is scanned in azimuth while moving along a path relative to the area to be mapped. The received signal, after detection and other processing, is recorded on a moving record medium in such a manner that each emitting element in the mapped area generates a straight line of a certain intensity or contrast on the record medium with a slope corresponding to the emitting element range, and the position along the medium corresponding to the location of the antenna along the path. Subsequently, the record medium is processed to collapse or integrate each straight signal line into a point on a further record medium to produce a radiometric plan view map of the area.

Abstract translation: 被动地图系统采用具有接收波束图案的天线或其他感测装置，其沿着相对于要映射的区域的路径移动沿方位扫描。 接收到的信号在检测和其他处理之后被记录在移动记录介质上，使得映射区域中的每个发射元件在记录介质上产生具有对应于发射的斜率的一定强度或对比度的直线 元件范围以及沿着路径对应于天线位置的位置。 随后，记录介质被处理以将每个直线信号线塌缩或整合到另一个记录介质上的一个点上，以产生该区域的辐射平面图。

公开(公告)号：US3746071A

公开(公告)日：1973-07-17

申请号：US3746071D

申请日：1970-08-28

Applicant: IIT RES INST

Inventor： SCHEY J

IPC: B21B1/22 ,  B21B39/14 ,  B21B39/16 ,  B21H7/16 ,  B21H8/00 ,  B21J7/16 ,  B22D11/06 ,  B22F3/18 ,  B22F5/04 ,  B22F7/04 ,  B21B1/44

CPC classification number: B22D11/06 ,  B21B1/22 ,  B21B39/14 ,  B21B39/16 ,  B21H7/16 ,  B21H8/00 ,  B22D11/066 ,  B22F3/18 ,  B22F5/04 ,  B22F7/04

Abstract: A method and apparatus is disclosed for forming materials into desired shapes by rolling or casting. The rolled shapes may be of constant or irregular cross section. The apparatus includes lateral restraint members that move with the workpiece to prevent edge cracking in rolling or provide a moving wall die in casting.

公开(公告)号：US3737568A

公开(公告)日：1973-06-05

申请号：US3737568D

申请日：1971-12-13

Applicant: IIT RES INST

Inventor： CAMRAS M

IPC: H04N5/7822 ,  H04N5/921 ,  G11B5/20 ,  G11B5/44 ,  H04N5/78

CPC classification number: H04N5/921 ,  H04N5/7822

Abstract: In the disclosed embodiments the video signal is recorded on successive longitudinal tracks with high frequency bias. The sound may be recorded transversely on adjacent tracks or may be recorded with the video as pulse modulation in the horizontal blanking intervals. The video bias frequency is selected so as to avoid beat notes with the video signal. The horizontal and vertical sync signals may be amplified separate from the composite video and then added thereto so as to record sync signals of increased amplitude. The picture signal from a television receiver may be recorded without further amplification.

Abstract translation: 在所公开的实施例中，视频信号被记录在具有高频偏置的连续的纵向轨道上。 声音可以横向记录在相邻的轨道上，或者可以以水平消隐间隔中的脉冲调制记录在视频中。 选择视频偏置频率以避免与视频信号的拍音。 水平和垂直同步信号可以与复合视频分离放大，然后加到其上，以便记录幅度增加的同步信号。 可以记录来自电视接收机的图像信号而无需进一步的放大。

公开(公告)号：US3725608A

公开(公告)日：1973-04-03

申请号：US3725608D

申请日：1970-08-04

Applicant: IIT RES INST

Inventor： CAMRAS M

IPC: G11B5/11 ,  G11B5/54 ,  G11B5/55 ,  G11B15/29 ,  G11B15/295 ,  G11B15/62 ,  G11B15/665 ,  G11B15/32

CPC classification number: G11B5/54 ,  G11B5/11 ,  G11B5/55 ,  G11B15/29 ,  G11B15/295 ,  G11B15/62 ,  G11B15/665

Abstract: A magnetic tape apparatus wherein a capstan drive assembly provides a tape path thereabout and receives a transducer head with a convex face for scanning engagement with the tape. A magnetic shield may be interposed between the capstan and the head where the capstan is of magnetizable steel. The motor, flywheel and capstan form a unitary assembly which preferably includes a bearing for the outer end of the capstan. A endless loop or reel-to-reel tape cartridge configuration may be engaged with the capstan assembly without manual threading. Idler rollers for the capstan are of configuration to tension the tape at the transducer head location, and may be interchanged to tension the tape in either direction of movement. A preferred head is operable with bias of 10 megahertz or more.

Abstract translation: 一种磁带装置，其中主导轴驱动组件在其周围提供磁带路径，并且接收具有用于扫描与磁带接合的凸面的换能器头。 磁屏蔽可以插在绞盘和头部之间，其中绞盘是可磁化钢。 马达，飞轮和绞盘形成整体组件，其优选地包括用于绞盘外端的轴承。 无限循环或卷对卷带盒配置可以与主导轴组件接合，而无需手动穿线。 用于绞盘的惰轮是用于在换能器头部位置张紧带的构造，并且可以互换以在任何方向上张紧带。 优选的头可操作，偏压为10兆赫或更高。

公开(公告)号：US3705954A

公开(公告)日：1972-12-12

申请号：US3705954D

申请日：1970-05-04

Applicant: IIT RES INST

Inventor： CAMRAS MARVIN

IPC: H04N5/775 ,  H04N9/825 ,  H04N5/76

CPC classification number: H04N9/825 ,  H04N5/775

Abstract: MONOCHROME AND COLOR TELEVISION RECORDING AND PLAYBACK CIRCUITRY FOR COUPLING OF A VIDEO MAGNETIC TRANSDUCER HEAD WITH A STANDARD BROADCAST TELEVISION RECIEVER. HIGH FREQUENCY BIAS HAVING A FREQUENCY OR LESS THAN 4.4 MEGAHERTZ, AND A SPECIAL HEAD CONFIGURATIONS OF SHEET MAGNETIC MATERIAL HAVING SUBSTANTIALLY INCREASED CROSS SECTIONAL PERIMETER FOR EDDY CURRENTS ACCOMODATING BIAS FREQUENCIES UP TO TEN MEGAHERTZ.

公开(公告)号：US3686467A

公开(公告)日：1972-08-22

申请号：US3686467D

申请日：1969-08-08

Applicant: IIT RES INST

Inventor： CAMRAS MARVIN

IPC: G11B5/127 ,  G11B5/23 ,  G11B5/245 ,  G11B5/00

CPC classification number: G11B5/127 ,  G11B5/23 ,  G11B5/2452

Abstract: A magnetic transducer head having a coupling gap of controllable effective longitudinal dimension. In one embodiment a gap spacer of magnetic material is energized by bias current and/or signal current during recording while being deenergized during playback to provide a larger coupling gap for recording than for playback. Recording gap size may be controlled dynamically, or a very high frequency bias current such as 100 mhz may be supplied to the magnetic gap spacer. A magnetic head may have a zero gap dimension when the magnetic gap spacer is deenergized to prevent any substantial residual external field. An electro-magnetic transducer head with the electric circuit portion including a path through the electrically conductive magnetic corepiece at the transducer gap, thus concentrating the gap field and mininizing core losses at very high bias or signal frequencies.

Abstract translation: 一种具有可控有效纵向尺寸的耦合间隙的磁换能器头。 在一个实施例中，磁性材料的间隔物在记录期间被偏置电流和/或信号电流激励，同时在重放期间被断电，以提供用于记录的更大的耦合间隙而不是重放。 可以动态地控制记录间隙尺寸，或者可以向磁隙间隔件提供诸如100mhz的非常高的频率偏置电流。 当磁隙间隔物被断电时，磁头可以具有零间隙尺寸，以防止任何实质上的残余外部场。 具有电路部分的电磁换能器头包括在换能器间隙处穿过导电磁芯的路径，从而集中间隙场并且以非常高的偏置或信号频率使铁芯损耗最小化。

公开(公告)号：US3679494A

公开(公告)日：1972-07-25

申请号：US3679494D

申请日：1969-04-30

Applicant: IIT RES INST

Inventor： HILL VERNON L ,  NICHOLS HARRY R ,  HESS ALAN L

IPC: C22C27/00 ,  C23C8/24 ,  C23C11/14

CPC classification number: C23C8/24 ,  C22C27/00

Abstract: IMPROVED ALLOYS OF HAFNIUM-TANTALUM SUITABLE FOR USE AS A CUTTING TOOL AND THE METHOD OF MAKING THE SAME. THE ALLOYS INCLUDE A NITRIDED CASE LAYER FORMED BY NITRIDING AT TEMPERATURES BETWEEN 2500*F. AND 4000*F. UNTIL THE NITRIDED LAYER IS AT LEAST 2 MILS THICK.

公开(公告)号：US3622492A

公开(公告)日：1971-11-23

申请号：US3622492D

申请日：1968-12-18

Applicant: IIT RES INST

Inventor： KINNEY LAYTON C

IPC: C01B13/11 ,  F28D7/08 ,  C22D7/08

CPC classification number: F28D7/08 ,  C01B13/11 ,  C01B2201/12 ,  C01B2201/32 ,  C01B2201/34 ,  C01B2201/70 ,  C01B2201/74 ,  F28D7/085

Abstract: To provide a compact ozone generator, films of polymeric material are employed as dielectrics in combination with flat, planar electrodes to produce ozone by silient electrical discharge in an oxygen containing gas stream. The electrodes and dielectrics are cooled by the gas stream which is recycled across the electrodes and dielectrics and through an external heat exchanger.