Device select system for multi-device electronic system

• US 9,300,284 B2
• Filed: 04/12/2007
• Issued: 03/29/2016
• Est. Priority Date: 04/12/2007
• Status: Expired due to Fees

• Current Assignee: GlobalFoundries, Inc.
• Original Assignee: GlobalFoundries, Inc.
• Inventors: Biskeborn, Robert Glenn, Goldblatt, Ronald Dean
• Primary Examiner(s): Negron, Daniell L
• Application Number:
  US11/734,634
• Publication Number:
  US 20080252357A1
• Time in Patent Office: 3,274 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 5/4893 relative to moving tape
• CPC Class Codes: G11B 5/4984 Structure of specially adapted switching heads G11B5/3958 takes precedence
• CPC Class Codes: G11B 5/78 Tape carriers
• CPC Class Codes: H03K 17/002 Switching arrangements with several input- or output terminals code converters H03M5/00, H03M7/00

Abstract

A device select system according to one embodiment includes an array of first electrical contacts adapted for coupling to a cable; an array of second electrical contacts adapted for coupling to an array of transducers, there being more second electrical contacts than first electrical contacts each of the first electrical contacts being associated with at least two of the second electrical contacts; and a select mechanism for selectively placing each of the first electrical contacts in electrical communication with one of the second electrical contacts associated therewith.

Claims

1. A system, comprising:

a cable coupled to a controller;

a magnetic head having a linear array of transducers configured to read and/or write to a magnetic recording tape, the linear array of transducers including at least first and second subsets of transducers and the transducers of the first and second subsets of transducers being arranged linearly along a common line;

a semiconductor chip between the cable and the magnetic head, the semiconductor chip comprising;

an array of first electrical contacts coupled to conductors on the cable; and

an array of second electrical contacts coupled to the transducers of the linear array of transducers, there being more second electrical contacts than first electrical contacts, each of the first electrical contacts being associated with two of the second electrical contacts; and

a guide for guiding the magnetic recording tape across the magnetic head;

the semiconductor chip further comprising a select mechanism for selectively placing each of the first electrical contacts in electrical communication with one of the two of the second electrical contacts associated therewith for selectively placing one of the first and second subsets of the transducers in the linear array of transducers in electrical communication with the first electrical contacts.

2. A system as recited in claim 1, the semiconductor chip being a common structure, the common structure being bonded to an exterior of the magnetic head, the cable being bonded to the common structure, wherein the common structure moves with the magnetic head when an actuator changes a position of the magnetic head.

3. A system as recited in claim 1, wherein the select mechanism includes an array of switches.

4. A system as recited in claim 1, wherein the controller is configured to cause a plurality of the transducers to operate simultaneously on a common surface of the magnetic recording tape.

5. A system as recited in claim 1, further comprising at least one third electrical contact being in electrical communication with the select mechanism for passing control signals thereto.

6. A system as recited in claim 1, wherein a center to center spacing of the transducers in the first subset is different than a center to center spacing of the transducers in the second subset.

7. A system as recited in claim 6, wherein the first and second subsets of transducers are laterally positioned relative to each other along the common line, the common line being oriented about perpendicular to a direction of tape travel thereacross.

8. A system as recited in claim 7, wherein the transducers are readers.

9. A system as recited in claim 6, wherein the first and second subsets of transducers each correspond to different data format.

10. A system as recited in claim 1, wherein the transducers are readers.

11. A magnetic data system, comprising:

a magnetic head having more than two magnetic transducers arranged in an a linear array of transducers for simultaneously reading and/or writing to a common surface of a magnetic recording tape, wherein the linear array of transducers includes at least first and second subsets of transducers arranged linearly along a common line, wherein a center to center spacing of the transducers in the first subset is different than a center to center spacing of the transducers in the second subset;

a device select system coupled to the magnetic head, the device select system comprising a semiconductor chip comprising;

a first portion having an array of first electrical contacts;

a second portion adjacent to the magnetic head and having an array of second electrical contacts electrically coupled to the magnetic transducers, there being more second electrical contacts than first electrical contacts, the second electrical contacts being coupled to electrical contacts of the magnetic head, each of the first electrical contacts being associated with two of the second electrical contacts; and

a select mechanism for selectively placing each of the first electrical contacts in electrical communication with one of the two of the second electrical contacts associated therewith for selectively placing one of the first and second subsets of transducers in the linear array of transducers in electrical communication with the first electrical contacts;

a cable adjacent to and electrically coupled to the first portion of the semiconductor chip of the device select system, leads of the cable being in direct electrical communication with the first electrical contacts;

a drive mechanism for passing the magnetic recording tape over the head;

an actuator for controlling a position of the magnetic head relative to the magnetic recording tape; and

a controller electrically coupled to the cable.

12. A system as recited in claim 11, the semiconductor chip being a common structure, the common structure being bonded to an exterior of the magnetic head, the cable being bonded to the first portion, wherein the common structure moves with the magnetic head when the actuator changes the position of the magnetic head.

13. A system as recited in claim 11, wherein the select mechanism includes an array of switches.

14. A system as recited in claim 11, further comprising at least one drive motor configured to drive a tape supply reel and a tape take-up reel.

15. A system as recited in claim 11, further comprising at least one third electrical contact on the first portion and being in electrical communication with the select mechanism for passing control signals thereto;

and a guide for guiding the magnetic recording tape across the magnetic head.

16. A system as recited in claim 11, wherein the first and second subsets of transducers are laterally positioned relative to each other along the common line, the common line being oriented about perpendicular to a direction of tape travel thereacross.

17. A system as recited in claim 16, wherein the transducers are readers.

18. A system as recited in claim 11, wherein the first and second subsets of transducers each correspond to different data format.

19. A system as recited in claim 11, wherein the transducers are readers.