Magnetic tape transducing apparatus

• US 4,110,801 A
• Filed: 12/02/1977
• Issued: 08/29/1978
• Est. Priority Date: 06/14/1955
• Status: Expired due to Term

• Current Assignee: Refac International Limited
• Original Assignee: Jerome H. Lemelson
• Inventors: Lemelson, Jerome H.
• Primary Examiner(s): Eddleman, Alfred H.
• Application Number:
  US05/856,914
• Time in Patent Office: 270 Days
• Field of Search: 360/96, 360/105, 360/91-92, 360/93, 360/88, 360/75
• US Class Current: 360/96.3
• CPC Class Codes: B07C 3/18 Devices or arrangements for indicating destination, e.g. by code marks applying data to information carriers G06K1/12
• CPC Class Codes: G06K 17/00 Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
• CPC Class Codes: G06K 7/084 sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
• CPC Class Codes: G07C 9/257 electronically G07C9/26 takes precedence
• CPC Class Codes: G11B 15/32 through the reels or cores on to which the record carrier is wound
• CPC Class Codes: G11B 15/683 wherein the recorder or player is moved according to the location of a selected cassette G11B15/684 takes precedence
• CPC Class Codes: G11B 15/6875 wherein the recorder or player is moved towards a selected cassette in the magazine
• CPC Class Codes: G11B 15/6895 Automatic tape changing arrangements
• CPC Class Codes: G11B 2220/41 Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 27/002 Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing; transfer of record carriers from magazine G11B15/68, G11B17/10; G11B17/22
• CPC Class Codes: G11B 27/02 Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
• CPC Class Codes: G11B 27/107 of operating tapes
• CPC Class Codes: G11B 27/28 by using information signals recorded by the same method as the main recording G11B27/22 takes precedence

Abstract

An apparatus is provided which employs a cartridge or magazine containing an elongated length of record tape supported within said cartridge and adapted to be driven from a supply means to a take-up reel by the combined operation of power rotating the take-up reel and a plurality of cylindrical members supported adjacent the cartridge which engage and drive a portion of the tape therebetween to feed it to the take-up reel. Transducing and tape drive means is operable to simultaneously drive the tape between the supply means and the take-up reel and to effect the scanning of the tape and the transducing of information with respect to the tape as it is driven.

Claims

1. A tape transport apparatus comprising in combination:

a cartridge containing record tape,

a first support,

means for receiving and predeterminately locating said cartridge on said first support,

said cartridge having a supply means for flexible record tape containing information recorded along its length and a take-up reel for receiving and winding tape fed thereto from said supply means,

means for guiding said tape in a predetermined path in said cartridge which path defines a free length of said tape within said cartridge,

said cartridge having a wall portion with an opening therein aligned with at least a portion of said free length of said tape in said cartridge,

means for rotationally supporting said take-up reel in said cartridge,

a first cylindrical member rotationally supported behind said free length of tape and aligned with said opening in said cartridge wall,

a second support,

transducing means supported by said second support and operable for generating electrical signals representative of recordings on said tape when operatively positioned with respect to said tape and scanning said tape,

a second cylindrical member rotationally supported on said second support adjacent said transducing means,

first means for effecting first predetermined relative movement between said second support and said first support in a first direction when said cartridge is predeterminately located on said first support to first cause said end wall of said cartridge containing said opening to be aligned with said transducing means, and

second means for effecting further relative movement between said cartridge and said transducing means in a second direction to bring said transducing means and cartridge into operative relation wherein that portion of said tape aligned with said opening in said cartridge wall will be operatively disposed with respect to said second cylindrical member for engaging said tape against said first cylindrical member,

motor means operable for power rotating one of said first and second cylindrical members while said tape is engaged therebetween to drive said tape towards said take-up reel,

drive means for said take-up reel,

coupling means connected to said take-up reel drive means for connecting said drive means to drive said reel,

means for effecting relative movement between at least part of said coupling means and a cartridge when said cartridge is predeterminately disposed on said first support to cause said coupling means to become operatively engaged for driving said take-up reel, and

third means for simultaneously operating said motor means to effect the driving movement of said tape and said take-up reel drive means to rotate said take-up reel and to thereby operate for taking up tape fed thereto.

2. A tape transport apparatus in accordance with claim 1 wherein said tape comprises a magnetic tape and said transducing means supported by said second support comprises a plurality of magnetic transducers supported in lateral alignment on said second support in locations such that, when said transducing means is in operative relationship with respect to that portion of said tape aligned with said opening in said cartridge wall, each of said plurality of transducers will engage a different portion of the length of said tape aligned with said opening in said wall portion of said cartridge.

3. A tape transport apparatus in accordance with claim 2 wherein said transducing means includes a magnetic recording transducer and a magnetic reproduction transducer both of which are simultaneously engaged with respective portions of said tape when said transducing means is in operative relation with said tape, said transducers each being selectively energizable to permit said transducing means to perform either recording or reproduction operations of said tape.

4. A tape transport apparatus in accordance with claim 1 wherein at least a portion of said coupling means and said drive means for said take-up reel are supported by said second support.

5. A tape transport apparatus in accordance with claim 1 including a hub rotatably supporting said take-up reel within said cartridge, said coupling means including circular tooth means connected to said hub of said take-up reel and a shaft containing a toothed member connected to said drive means for said take-up reel and adapted to mesh with the teeth of said tooth means of said hub when coupling means and cartridge are predeterminately disposed and in driving operative engagement with each other.

6. A tape transport apparatus in accordance with claim 1 wherein said first and second directions of relative movement between said cartridge and said transducing means are substantially transverse to each other.

7. A tape transport apparatus in accordance with claim 1 wherein said means for effecting relative movement between said cartridge and said transducing means comprises an electrically operated servo device.

8. A tape transport apparatus in accordance with claim 2 wherein said plurality of magnetic transducers are operable for selectively reproducing, recording and erasing signals along the length of said tape while said tape is driven within said cartridge and are disposed in direct lateral alignment with each other, said plurality of transducers being adapted to simultaneously engage respective longitudinal portions of said tape when said further relative movement is effected between said cartridge and said transducing means.

9. A tape transport apparatus comprising in combination:

a cartridge having a housing containing record tape,

a first support,

means for receiving and predeterminately locating said cartridge on said first support,

said cartridge having a supply means for flexible record tape containing information recorded along its length and a rotatable take-up means for receiving and winding tape fed thereto from said supply means,

said cartridge housing having substantially parallel side walls supported and held apart by opposed end walls,

means for guiding said tape in a predetermined path within said cartridge which path defines a free length of said tape extending directly behind an end wall of said cartridge,

said end wall of said cartridge behind which said free length of tape extends having a plurality of openings therein each of which openings is provided along a different portion of said end wall and exposes a different portion of said free length of tape,

a hub supporting said take-up reel in said cartridge,

a first cylindrical member supported for rotation behind said free length of tape in said cartridge in alignment with one of said openings in said cartridge wall,

a second support operable to be linearly moved towards and away from a cartridge which is predeterminately located on said first support,

transducing means supported by said second support and operable for generating electrical signals representative of the recordings on said tape when operatively scanning said tape,

a second cyclindrical member rotatably supported by said second support and located adjacent to said transducing means on said second support,

means for effecting predetermined relative movement in a first direction between said second support and a cartridge when said cartridge is predeterminately located on said first support to insert said transducing means through a first of said plurality of openings in said end wall of said cartridge and to bring said transducing means into operative relation with that portion of said tape aligned with said first opening in said cartridge wall and further to simultaneously insert said second cylindrical member through a second of said plurality of openings in said cartridge wall and dispose at least a portion of said second cylindrical member within said cartridge in engagement with that portion of said tape which is directly aligned with said first cylindrical member so as to engage said tape between said fist and said second cylindrical members,

motor means operable for power rotating one of said first and second cylindrical members while said tape is engaged therebetween to effect the driving of said tape towards said take-up reel,

drive means for said take-up reel,

first coupling means connected to said take-up reel drive means for coupling said drive means for drivingly connecting said drive means to said hub of said take-up reel,

motor means for operatively connecting said coupling means to connect said drive means to said take-up reel prior to effecting a transducing operation when said cartridge is first disposed on said first support to permit the take-up reel to be rotatably driven by said drive means, and

control means for simultaneously operating said motor means for rotating said one of said first and second cylindrical members and said take-up reel drive means to effect the driving movement of said tape and said reel drive means to take up tape fed thereto.

10. A tape transport apparatus comprising in combination:

a cartridge containing record tape,

a first support,

means for receiving and predeterminately locating said cartridge on said first support,

said cartridge having a supply means for flexible record tape containing information recorded along its length and a take-up reel for receiving and winding tape fed thereto from said supply means,

means for guiding said tape in a predetermined path in said cartridge which path defines a free length of said tape within said cartridge,

said cartridge having a wall portion with an opening therein aligned with at least a portion of said free length of said tape in said cartridge,

means for rotationally supporting said take-up reel in said cartridge,

a second support,

transducing means supported by said second support and operable for generating electrical signals representative of the recordings on said tape when said transducing means is operatively positioned with respect to said tape and is scanning said tape,

tape drive means including a rotatable member supported for rotation on said second support adjacent said transducing means and movable with said transducing means,

means for effecting first predetermined relative movement between said second support and said first support in a first direction when said cartridge is predeterminately located on said first support to first bring said end wall of said cartridge containing said opening into alignment with said transducing means and means for effecting relative movement between said cartridge and said first support in a second direction to move said transducing means and said rotatable member towards said cartridge and to simultaneously engage said rotatable member against said tape and dispose said transducing means in operative relation with that portion of said tape aligned with said opening in said cartridge wall,

motor means operable when said rotatable member is engaged with said tape and connected thereto for power driving said tape towards said take-up reel,

drive means for said take-up reel,

coupling means connected to said take-up reel drive means for connecting said drive means to drive said reel,

means for effecting relative movement between at least part of said coupling means and a cartridge when said cartridge is predeterminately disposed on said first support to cause said coupling means to become operatively engaged for driving said take-up reel, and

means for simultaneously operating said motor means to effect the driving movement of said tape and said reel drive means to take up tape fed thereto.

11. A tape transport apparatus comprising in combination:

a cartridge containing record tape,

a first support,

means for receiving and predeterminately locating said cartridge at a first location on said first support,

said cartridge having a supply reel for flexible magnetic record tape containing information recorded along its length and a take-up reel for receiving and winding tape fed thereto from said supply reel,

means for rotationally supporting said supply and take-up reels in said cartridge,

first and second coupling means for said supply and take-up reels accessible to the exterior of said cartridge,

means for guiding said tape between said supply and take-up reels in a predetermined path within said cartridge which path defines a free length of said tape between said supply and take-up reels,

said cartridge having a wall portion with an opening therein aligned with at least a portion of said free length of said tape in said cartridge,

said opening exposing said portion of tape to the exterior of said cartridge,

a first cylindrical member rotationally supported by said first support,

a second support,

transducing means supported by said second support for reproducing recordings from said tape when operatively coupled to said tape and scanning said tape,

a second cylindrical member supported for rotation adjacent said transducing means,

first means for effecting lateral movement between said second support and said cartridge in a first direction when said cartridge is predeterminately located at said first location on said first support to first bring said end wall of said cartridge containing said opening and said transducing means into relative alignment and second means for effecting further relative movement between the tape of said cartridge and said transducing means in a second direction to cause said transducing means and tape to be operatively coupled so as to permit transducing operations to be performed by said transducing means with respect to said tape,

motor means operable for rotating one of said first and second cylindrical members while said tape is engaged therebetween to drive said tape towards said take-up reel,

first and second drive means for said supply and take-up reels,

third and fourth coupling means connected to said first and second drive means and located to become operatively coupled to respective of said first and second coupling means at the termination of said futher relative movement between said cartridge and said transducing means in said second direction so as to operatively connect said drive means to permit the selective powered rotation of said supply and take-up reels, and

means for simultaneously power operating said second drive means and said drive means for said take-up reel so as to drive said tape towards said take-up reel and take up the driven tape onto said reel to permit said transducing means to scan said tape as said tape is driven past said transducing means.

12. A method of transducing signals recorded on magnetic tape extending between a supply reel and a take-up reel which reels are rotationally supported within a cartridge wherein access is effected through an opening in the cartridge and wherein the reels thereof have respective hub portions and coupling means for said hub portions which are respectively accessible to the exterior of the cartridge, said method comprising:

disposing said magnetic tape containing cartridge at a first location out of operable alignment with a transducing means,

effecting relative lateral movement between said tape and said cartridge in a first direction to bring the tape of the cartridge into lateral alignment with said transducing means and to simultaneously bring the outputs of first and second drive means into operative engagement with said respective coupling means for said supply and take-up reels to permit said first and second drive means to respectively drive said first and second take-up reels,

relatively moving said cartridge and said transducing means in a second direction and bringing the tape of said cartridge and said transducing means into operative relation to permit the transducing means to reproduce signals recorded on said tape,

engaging first and second cylindrical members aligned with each other against opposite sides of said tape to pinch the tape therebetween and power rotating one of said cylindrical members to drive said tape past said transducing means toward said take-up reel, and

simultaneously driving said take-up reel to take up the tape while energizing said transducing means to reproduce signals from said tape as it is driven past said transducing means.

13. A method in accordance with claim 12 wherein said relative movement between said cartridge and said transducing means is effected by laterally shifting said cartridge with respect to said first location.

14. A method in accordance with claim 12 wherein said relative movement between said cartridge and said transducing means is effected by laterally shifting said transducing means with respect to said first location.

15. A method in accordance with claim 12 wherein said relative movement between said cartridge and said transducing means is effected by means of an electrically operated motor.