公开(公告)号：US3648264A

公开(公告)日：1972-03-07

申请号：US3648264D

申请日：1968-09-30

Applicant: TEXAS INSTRUMENTS INC

Inventor： GRUCZELAK NORMAN P ,  PIERCE JOE T

IPC: G11B5/127 ,  G11B5/17 ,  G11B5/20 ,  G11B5/42

CPC classification number: G11B5/127 ,  G11B5/17

Abstract: An array of read-write heads for a magnetic storage means, such as a disk or drum, is disclosed. Each head is comprised of a flux carrying means, such as a gapped ferrite loop and a fluxproducing means, such as a pair of coils inductively coupled to the loop. The coils, together with a portion of the associated addressing circuitry, are supported by a substrate. The halves of the ferrite loops that lie on opposite sides of the substrate are formed as separate ferrite parts. The halves of the ferrite loops are disposed on opposite sides of the coil assembly so that the halves of the loops mate through holes in the substrate and form the gapped ferrite loops. In one embodiment, the halves of the ferrite loops are partially formed on the faces of ferrite blocks which support the loop halves during fabrication. After the halves are assembled on opposite sides of the substrate, the excess material of the ferrite assemblies is cut away to leave the discrete ferrite loops and the associated coils embedded within a solid structure which also appropriately isolates the parts electrically and magnetically. In another embodiment, the halves of the ferrite loops are formed individually and supported by a ceramic housing during mating with the coil assembly and the other halves of the loops. The substrate can be an insulator, such as glass, in which case the coil circuitry can be a photographically patterned metal film and the addressing diodes discrete semiconductor devices. Or the substrate can be a semiconductor, in which case either the coils or the addressing diodes, or both, may be diffused in the sheet of semiconductor material. Or the substrate may be a selectably reducible material such as YIG or Ti02 in which conductive paths can be selectively formed in the substrate by a scanned energy beam. Or the substrate may be the face of a subassembly for holding either of the halves of the ferrite loops prior to final assembly, or coils may be formed on the faces of both subassemblies.

Abstract translation: 公开了一种用于诸如磁盘或磁鼓的磁存储装置的读写头阵列。 每个磁头由磁通承载装置，例如有间隙的铁氧体环和助焊剂产生装置组成，例如一对电感耦合到环的线圈。 线圈与相关寻址电路的一部分一起被衬底支撑。 位于基板相对两侧的铁氧体环的一半形成为分离的铁氧体部分。 铁氧体环的一半设置在线圈组件的相对侧上，使得环的一半通过衬底中的孔配合并形成有间隙的铁氧体环。

公开(公告)号：US3555247A

公开(公告)日：1971-01-12

申请号：US3555247D

申请日：1967-07-21

Applicant: TEXAS INSTRUMENTS INC

Inventor： GRUCZELAK NORMAN P

IPC: G06K7/10

CPC classification number: G06K7/10

Abstract: A remote station document reader operating in conjunction with a master control having an array of phototransistors for translating coded data on a document into electrical pulses. The phototransistors are mounted on a carriage movable between a home position and a second position by a motor energized by the insertion of a coded document into the remote station reader. Various checking devices are located in the reader to insure proper orientation of an inserted document prior to reading the coded data. Both coded identification badges and punched hole cards can be read by the reader. When a coded identification badge is in the process of being read, a latch mechanism prevents removal of the badge prior to the code thereon being read.

公开(公告)号：US3379388A

公开(公告)日：1968-04-23

申请号：US60631666

申请日：1966-12-30

Applicant: TEXAS INSTRUMENTS INC

Inventor： GRUCZELAK NORMAN P

IPC: B65H18/04 ,  G11B15/30 ,  G11B15/66

CPC classification number: G11B15/662 ,  B65H18/04 ,  B65H2405/45 ,  G11B15/30