Claims
- 1. Magnetic recording apparatus comprising:
- (a) a first support,
- (b) first means supported by said first support for supporting a magnetic record member,
- (c) second means supported by said first support including a recording magnetic transducer having aligned pole pieces and operable to magnetically transduce data with respect to said magnetic record member supported by said first support,
- (d) means for effecting relative scanning movement between said first and second means to permit said transducer to transduce information with respect to a select record track of said magnetic record member, the improvement comprising:
- (e) means for controllably moving said transducer in a manner to selectively change the attitude of its pole pieces to permit it to record data defining at least two discrete magnetic recordings along the same length of the same record track of said magnetic record member, wherein a first of said magnetic recordings is defined by magnetic domains which extend in a first direction in the recording material of a select record track of said magnetic record member and another of said magnetic recordings is defined by magnetic domains which extend in a second direction in the magnetic recording material of the same record track of said record member but at an angle to the longitudinal axis of said track which is different from the angle defined by the first direction in which said domains of said first and said magnetic recordings extend.
- 2. Magnetic recording apparatus in accordance with claim 1 wherein said means for controllably moving said magnetic transducer comprises means for controllably rotating same about an axis passing through the record track of said magnetic record member when said transducer is operatively aligned with said record member and said record track.
- 3. Magnetic recording apparatus in accordance with claim 2 wherein said means for controllably rotating said magnetic transducer includes an electrically operated motor means.
- 4. Magnetic recording apparatus in accordance with claim 3 wherein said electrically operated motor means comprises a bistable solenoid.
- 5. Magnetic recording apparatus in accordance with claim 1 wherein said means for effecting relative scanning movement between said first and second means comprises means for power rotating one of said first and second means with respect to the other while said recording transducer is in operable alignment with a select track of said magnetic record member and while the pole pieces of said recording magnetic transducer are operatively aligned in a select direction with respect to said magnetic record member.
- 6. Magnetic recording apparatus in accordance with claim 5 including magnetic signal reproduction means forming part of said second means and operable to selectively reproduce the magnetic recordings may by said recording transducer when aligned in one of said first and second directions to the exclusion of the recordings made thereby when aligned in the other of said directions.
- 7. Magnetic transducing apparatus comprising:
- (a) a first support,
- (b) first means supported by said first support for predeterminately supporting and positioning a magnetic record member,
- (c) second means supported by said support for magnetically recording digital information signals with respect to a select record track of a magnetic record member supported by said first means,
- (d) said magnetic recording means comprising first and second magnetic recording transducer, each having respective magnetic pole means and a recording gap across which respective pulsed magnetic fields may be generated for effecting respective magnetic recordings in a select track of a magnetic record member adjacent thereto in the form of magnetic domains which are predeterminately aligned by the magnetic fields applied across said gaps.
- (e) said first magnetic recording transducer being aligned and operable to record digital pulse recordings defined by magnetic domains which are aligned in a first direction in the magnetic recording medium of a magnetic record member supported by said first means,
- (f) said second magnetic recording transducer being aligned and operable to record digital pulse recordings defined by magnetic domains which are aligned in a second direction in the magnetic recording medium of said magnetic recording member when supported by said first means wherein said first and second directions are sufficiently angulated with respect to each other to permit the recordings made by said first and second recording transducers to be separately detectable to the exclusion of the other recording when said recordings are generated along a common record track of said magnetic record member.
- 8. Magnetic transducing apparatus in accordance with claim 7 including a common support for fixedly supporting said first and second magnetic transducers with respect to each other.
- 9. Magnetic transducing apparatus in accordance with claim 8 wherein said first and second magnetic recording transducers are are aligned on said common support to permit both to simultaneously scan the same record track of a magnetic record member supported and predeterminately positioned on said first support.
- 10. Magnetic transducing apparatus in accordance with claim 7 wherein said plurality of magnetic transducers are disposed and aligned to share a common pole piece gap for recording.
- 11. Magnetic transducing apparatus in accordance with claim 7 wherein said first and second magnetic recording transducers have recording gaps which are staggered with respect to the center line of a magnetic record track of a magnetic record member with which said magnetic recording means is operatively aligned.
- 12. Magnetic transducing apparatus in accordance with claim 7 including first and second magnetic reproduction transducers and a common support supporting all of said transducers, said first reproduction transducer being aligned on said common support to sense magnetic recordings provided on said record member by said first magnetic recording transducer to the exclusion of the recordings made by said second recording transducer, said second reproduction transducer being aligned on said common support and operable to sense and reproduce magnetic recordings made by said second recording transducer to the exclusion of recordings made by said first recording transducer, said first and second recording transducers being operable to simultaneously scan the same record track of a record member which is predeterminately positioned on said first means.
- 13. A method for magnetically recording information in along a select record track of a magnetic record member comprising
- (a) pivotally supporting a magnetic recording transducer on a mount aligning said transducer in operable relation with respect to a select track of a magnetic record member which is supported adjacent said mount,
- (b) power operating a drive means to cause it to pivot said magnetic recording transducer so as to cause it to assume a first select angular attitude with respect to the longitudinal axis of said select track of said magnetic record member,
- (c) effecting controlled relative scanning movement between said record member and said transducer while controllably energizing said transducer with first digital information signals to cause said transducer to record first digital information along a select portion of said select track of said record member,
- (d) thereafter power operating said drive means to cause it to pivot said magnetic recording transducer to cause it to assume a second angular attitude with respect to the longitudinal axis of said select track of said magnetic record member, and
- (e) effecting controlled relative scanning movement between said record member and said transducer while energizing said transducer with second digital information signals to cause said transducer to record second digital information along a select portion of said select track of said record member.
- 14. A method in accordance with claim 13 wherein the controlled relative scanning movements between said transducer and said record while said transducer is energized with both said first and second digital information signals, occur while said transducer is operatively scanning the same portion of said select record track of said magnetic record member and wherein said first digital signal recordings are defined by first magnetic domains which are selectively aligned in the magnetic recording material of said record member in a first direction and said second digital recordings are defined by second magnetic domains which are aligned in the magnetic recording material of said select track in a second direction and wherein said first and second directions are sufficiently angulated with respect to each other to permit each of said first and second digital recordings to be selectively detected and reproduced from said record member to the exclusion of the other.
- 15. A method for magnetically recording digital information on magnetic recording members comprising:
- (a) providing a plurality of magnetic recording transducers on a common support defining a magnetic head, wherein each of said transducers contains a recording gap for recording digital signal information defined by aligned magnetic domains formed in the magnetic recording material aligned with said gap when the transducer is energized, and wherein the lateral axis of the gap of each transducer is angulated differently than the lateral axis of at least one of the other magnetic recording transducers,
- (b) effecting controlled relative scanning movement between said common support and a magnetic record member disposed in recording relation with respect to said head, in a first direction while a first of said transducers is substantially aligned with a select record track of said record member, and
- (c) while such alignment and scanning movement is effected, applying first digital information signals to energize a first of said transducers to cause same to effect a first digital signal recording along a select length of said record track of said record member wherein said first digital signal recording is defined by a first array of first magnetic domains in the recording material of said magnetic record member which first domains are all substantially similarly angulated with respect to the longitudinal axis of said track of said magnetic record member, and
- (d) generating and applying second digital information signals to energize a second of said recording transducers while relative scanning movement is effected between said second transducer and at least a portion of the same length of said magnetic record track scanned and recorded along by said first transducer and while said second transducer is aligned with said select record track to cause said second transducer to effect a second digital signal recording along such portion of the same length of said record track containing said first recording wherein said second recording is defined by a second array of magnetic domains which are substantially similarly angulated at an angle to the longitudinal axis of said select track of said record member but extend at a sufficiently different angle to direction of the domains of said first digital signal recordings to permit said first and second arrays of magnetic domains to be separately sensed during a reproduction transducing operation to the exclusion of the domains which are not similarly aligned and which extend along the same record track.
- 16. Magnetic transducing apparatus for recording information on flexible magnetic record cards comprising:
- (a) first means for supporting a flexible magnetic record card in an arcuate formation defining a portion of a cylinder with the inside surface of the arcuately formed card containing magnetic recording material,
- (b) magnetic recording transducing means operable for magnetically recording information with respect to a plurality of record tracks provided in said magnetic recording material of a record card supported by said first means and deformed in the shape of a partial cylinder wherein the parallel record tracks of said card form respective parallel circular track formations which extend around the inside surface of said deformed card,
- (c) second means for rotationally supporting said transducing means within said first means and a magnetic card which is arcuately supported thereon to permit said transducing means to operatively scan the inside recording surface of the card,
- (d) third means for effecting controlled powered rotary movement between said first means and said transducing means,
- (e) fourth means for effecting powered lineal movement between said transducing means and said first means to operatively bring said transducing means into scanning relation with select tracks of said card,
- (f) fifth means for energizing said transducing means with select record signals when said transducing means is operatively scanning a select circular track of said card to cause said transducing means to magnetically record select information along said select card track,
- (g) sixth means including magnetic pick-up means supported by said second means and rotatable with said recording transducing means for selectively reproducing information from selected tracks of a magnetic card arcuately supported by said first means, and
- (h) seventh means for controllably energizing said magnetic pick-up when it is operatively aligned with a select track of a card operatively supported by said first means to cause said magnetic pick-up to transduce magnetic recordings of information recorded on said select track of said card.
- 17. Magnetic transducing apparatus in accordance with claim 16 including means for effecting controlled rotation of both said magnetic recording transducing means and said magnetic pick-up about their longitudinal axes to respective dispose both at selected different angles with respect to the direction of the semi-circular record tracks scanned thereby to permit said magnetic recording transducing means to effect magnetic recordings defined by magnetic domains which are selectively angled with respect to the longitudinal axis of a record track and to permit said magnetic pick-up to selectively reproduce selected of said recordings defined by domains which are angled in accordance with the angle to which said pick-up is rotated on said second means.
- 18. Magnetic transducing apparatus in accordance with claim 16 wherein said magnetic recording transducing means comprises first and second transducers supported by said second means for effecting simultaneous scanning movement with respect to the same record tracks of a magnetic card operatively supported by said first means, wherein said first and second transducing means each have a recording gap which is angulated differently from the gap of the other to permit each to effect respective recordings defined by respective arrays of magnetic domains which are respectively differently angulated.
- 19. Magnetic transducing apparatus in accordance with claim 16 wherein said fifth and seventh means includes means for sensing relative longitudinal movement between a record card supported by said first means and said second means and means connected to said sensing means for generating a control signal when said second means is predeterminately located with respect to said first means and the magnetic recording and pick-up transducers supported thereby are operatively aligned with a select track of a magnetic record card supported by said first means and means for applying said control signal to control either said fifth or seventh means to energize said recording transducing means to effect a select recording along said select track of said card or said pick-up to reproduce signals recorded along said select track of said card.
- 20. Apparatus in accordance with claim 19 wherein said wherein said means for generating said control signal includes scanning means supported by said second means for scanning track locating recordings on a record card and generating corresponding output signals as said fourth means operates to effect said lineal movement between said first means and said transducing means.
RELATED APPLICATIONS
This is a continuation-in-part of Ser. No. 405,996 filed Aug. 6, 1982 and now U.S. Pat. No. 4,578,717 for Magnetic Record Card Transducing Apparatus and Method.
US Referenced Citations (2)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
405996 |
Aug 1982 |
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