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Class 360/130.22 - Rotating head


Subclass of Class 360 - Dynamic magnetic information storage or retrieval
Definition: Subject matter where the head rotates during transducing.
No. of patents: 62
Last issue date: 03/25/2008


1    
NumberTitleIssue Date
7349181Rotatable tape guide with tapered flanges
A rotatable tape guide with a cylindrical barrel having a cylindrical peripheral surface; and a guide flange substantially at each outer side of the cylindrical barrel and having a frusto-conical surface. The frusto-conical surface is configured at a taper angle out...
03/25/2008
7180697Tape loading apparatus
A tape loading apparatus comprises a base, a tape guide post about which a tape is wrapped for tape loading, and a post end contact member provided on the base for fixing the height of the tape guide post by contacting and pressing an end surface of the tape guide p...
02/20/2007
7154705Magnetic head for rotary head drum
A magnetic head for a rotary head drum is disclosed which can suppress abrasion thereof while a sufficient contact thereof with a magnetic tape is secured. An upper side tape sliding surface and a lower side tape sliding surface are formed on a tape sliding surface ...
12/26/2006
6922315Head drum with magnetic mounting of rotary transformer
According to a first aspect the present invention is related to a head drum arrangement allowing a much easier mounting of the rotary transformer. The head drum arrangement comprises a non-rotating lower drum and a rotating upper drum, which are connected by a shaft...
07/26/2005
6822820Apparatus for detecting damage to the transducer head and/or tape guide of an interactive media device
A data tape drive for recording information on the data tape of a tape cartridge has a transducer head with air bleed slots that define side walls, a tape guide, and a device for detecting damage to the transducer head and tape guide. The damage detection device has...
11/23/2004
6353512Tape guide mechanism for regulating tape level without contact with main surface of tape in tape recorder
A tape recorder of the invention comprises a fixed guide member 5 disposed for a path of travel of a magnetic tape 10 between a tension post 43 and a full-width erasing head 21 and having a tape guide face 54 to be brought into sliding contact with the lo...
03/05/2002
6115218Tape support system for arcuate scan rotating head
The present invention relates to a method and apparatus for engaging a magnetic tape with a transducer at a read/write zone for achieving consistent head-to-tape coupling throughout the intended recording location, especially at the edges of the tape. The...
09/05/2000
5831796Apparatus for fixing a head cylinder
An apparatus for fixing a head cylinder provided with a magnetic head to a deck base. The apparatus has a flange portion provided on a lower portion of the head cylinder; contacting portions provided on the lower portion of the head cylinder; and an elast...
11/03/1998
5815339Cylinder motor apparatus
A cylinder motor apparatus includes a chassis, a shaft, a circuit board, a supporting member for supporting the shaft on the chassis in a freely rotatable state, a rotor fixed to the shaft, which has a stator housing having a circular, concave shape facin...
09/29/1998
5798892Magnetic tape apparatus having means for aligning magnetic tape to magnetic head and method thereof
A magnetic tape apparatus for reading/writing data from/to a magnetic tape by magnetic heads. The magnetic tape apparatus includes a roller guide for guiding the magnetic tape, a magnetic head assembly having several magnetic heads, and a structure for al...
08/25/1998
5790342Loading post driving device having first and second loading rings held only by a loading ring guide
A loading mechanism of a video tape recorder is provided which reduces the thickness of the mechanism for guiding a loading boat along a loading guide. Also, a loading post driving device for a magnetic recording/playback apparatus is provided which can p...
08/04/1998
5646806Edge tensioning sloping tape guide for arcuately scanning tape drive
A sloping tape guide is provided for an arcuately scanning tape drive so that tension per unit width of a magnetic tape is equalized in the head/tape contact zone on a front face of a head assembly of the arcuate scanner. The tape wraps over the circular ...
07/08/1997
5602702Magnetic recording/reproducing apparatus having an offset head chip
A magnetic recording/reproducing apparatus according to the present invention includes: a fixed cylinder; a rotary cylinder rotatably supported by the fixed cylinder, the rotary cylinder including a disk-shaped magnet in which first areas having a first p...
02/11/1997
5585977Recording/reproducing apparatus and method embodying a unique scanning magnetic transducer
In a recorder/reproducer apparatus, a scanning magnetic transducer for the magnetic recording and reproducing of a data signal in a magnetic storage medium. The transducer includes one or more elongate main pole segments embedded in the periphery of a rot...
12/17/1996
5585978Arcuate scan tape drive
An arcuate scan tape drive for transferring data to and from a data tape, including a base with four side walls and a cover, which base and cover together have a 31/2 inch form factor. Situated within the base and cover is a head carrier assembly for reco...
12/17/1996
5546249Tape loading apparatus with loading post driving device
A loading mechanism of a video tape recorder is provided which reduces the thickness of the mechanism for guiding a loading boat along a loading guide. Also, a loading post driving device for a magnetic recording/playback apparatus is provided which can p...
08/13/1996
5546259Tape transporting apparatus including a tape guide with variable restricting force regions, each used depending upon the amount of tape tension
A tape transporting apparatus comprising a detecting device for detecting the winding diameter of a reel or the travelling state of tape, and a height variable device for varying the tape restricting height of a tape guide depending on the output of the d...
08/13/1996
5510168Magnetic recording medium and magnetic recording method
A magnetic recording medium comprises a support and provided thereon, a magnetic recording component layer which comprises an uppermost layer containing a ferromagnetic metal powder and a binder, a thickness of said magnetic recording component layer bein...
04/23/1996
5483401Rotary head drum having a connecting member for providing electrical conduction
In a recording or reproducing apparatus arranged to carry out recording or reproduction of a signal while keeping a magnetic tape wrapped around a rotary head drum equipped with a head, the upper cylinder of the rotary head drum is provided with a rotor c...
01/09/1996
5444584Video cassette tape protection device consisting of an enclosure having walls substantially bounding the tape path in a video cassette player/recorder
A video cassette protection device forms a smooth enclosure adjacent the tape path of the mechanical tape drive mechanisms in order to prevent tape runaway. The protection device also prevents tape damage should runaway occur by providing a smooth cache i...
08/22/1995
5321567Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus
A tape loading mechanism used in a recording and reproducing apparatus for extracting a tape from a cassette and for winding it on a tape guide drum on which a rotating head for recording information on or reproducing information from the tape is mounted....
06/14/1994
5295031Rotary positioning apparatus
Rotary positioning devices are described wherein a coil and permanent magnet combination is provided to couple a torque into a pivotally mounted arm member, the pivot of which is located substantially at the center of gravity of the assemblage. By couplin...
03/15/1994
5220469Magnetic recording and reproducing apparatus having a loading ring disposed to intersect perpendicularly with a drum axis, and a loading base slidably mounted on at least one guide shaft fixed perpendicularly to the loading ring
A magnetic recording and reproducing apparatus which has a loading ring used to draw out a magnetic tape from a cassette mounted at a predetermined position and wind the magnetic tape around a rotary head drum. In the magnetic recording and reproducing ap...
06/15/1993
5196977Tape guide mechanism for recording and reproducing device
A tape guide mechanism for a VTR includes a pair of first guides disposed respectively at a tape entrance side and a tape exit side of a cylinder and positioned immediately adjacent to the cylinder, a pair of second guides disposed adjacent to the pair of...
03/23/1993
5168399Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus
A tape loading mechanism used in a recording and reproducing apparatus for extracting a tape from a cassette and for winding it on a tape guide drum on which a rotating head for recording information on or reproducing information from the tape is mounted....
12/01/1992
5159506Magnetic tape recording/reproducing apparatus with improved tension control mechanism
A magnetic tape recording/reproducing apparatus of the type having a tension control mechanism for controlling the tape tension at a constant level, wherein a tension arm having at its distal end a tension pole is pivoted on a support member which is mova...
10/27/1992
5119257Rotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the same
A rotary head device having a rotary drum and a rotating motor within the rotary drum, with the stator of the motor being supported by a fixed arm attached to a fixed drum or to a fixed drum supporting member. The construction permits the manufacture of t...
06/02/1992
5113298Rotary head drum apparatus with resiliently mounted ground plate
In a rotary head drum apparatus having a magnetic head attached to a rotary drum member and connected to a coil of a rotor of a rotary transformer so that a signal is transmitted between the magnetic head and a stationary drum member through the rotary tr...
05/12/1992
5075809Rotary magnetic head tape-scanning device with heads protected from cross-talk by mounting on a head carrier and by annular shielding of a portion of the head projecting from the head carrier
A magnetic head affixed to the underside of a carrier body mounted at the periphery of a head-wheel for scanning oblique tracks on a magnetic tape is provided with shielding of ferrite, mu-metal or amorphous iron, to reduce magnetic crosstalk. The shieldi...
12/24/1991
5060104Rotary head device with six head units
A rotary head device for a recording and reproducing apparatus includes a rotary drum and a stationary drum. The rotary drum has a guide surface formed of a conical surface coaxial with the axis of rotation of the rotary drum and wound with a magnetic tap...
10/22/1991
5051852Mechanism for balancing a rotary magnetic head apparatus
A rotary magnetic head apparatus for use in a VTR and producing a low level of vibration by restraining the unbalance of an overall rotary body of the magnetic head apparatus. The apparatus includes a fixed cylinder for supporting a rotary shaft via beari...
09/24/1991
5050024Double azimuth magnetic head with two-piece adjustable base
A double base type double azimuth magnetic head including two head bases and a pair of head chips bonded and anchored thereto respectively. The two head bases integrally have anchor lugs with flat reverse surfaces for anchoring the head chips thereto. The...
09/17/1991
5021908Magnetic head component mounting system
A magnetic tape unit comprising a head component having a rotatable drum provided with a magnetic head, a guide plate having a tape guide mechanism for leading a magnetic tape into contact with the head component, a supporting base for supporting the head...
06/04/1991
5019926Magnetic-head unit including rotary and stationary transformer sections and amplifier arrangement
A magnetic-head unit (1) is disclosed which includes a lower and an upper drum (3, 4), between which a rotary head disc (17) is interposed, which disc carries a plurality of magnetic heads (18). The magnetic heads (18) are electrically connected to a tran...
05/28/1991
5010432Rotary head drum apparatus comprising resilient electrical connectors
In a rotary head drum apparatus having a magnetic head attached to a rotary drum member and connected to a coil of a rotor of a rotary transformer so that a signal is transmitted between the magnetic head and a stationary drum member through the rotary tr...
04/23/1991
4989110Full radius carrier to drum contact in a rotary head scanner
The rotary head scanner of a helical scan magnetic tape recording/reproducing apparatus includes a carrier which supports the fixed drum or drums of the scanner by means of full radius contact between the drum and the carrier. A rotary head scanner includ...
01/29/1991
4930028Tape recorder
A tape draw-out mechanism in a tape recorder which has a tape cassette mounted thereon. The tape recorder includes a rotary drum having a magnetic head where a tape is drawn out from the tape cassette and wound on the rotary drum by a predetermined amount...
05/29/1990
4849839Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device
A rotary head assembly is provided with a sweeper member upstream of a magnetic head with respect to the direction of feed of magnetic tape which serves to remove dust, grit and so forth from the tape surface. The aforementioned member is provided with a ...
07/18/1989
4837646Tape guide apparatus for helically wound tape
A signal recording/reproducing apparatus for use with a tape cassette comprises a cylinder assembly having an outer peripheral surface. The cylinder assembly has mounted thereon heads for recording and reproducing a signal on and from a magnetic tape in t...
06/06/1989
4814910Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head
A rotating magnetic head device in a magnetic recording and reproducing apparatus constructed as follows: (1) A cylinder is composed of an upper fixed cylinder and a lower fixed cylinder, a recess is provided in the part of the upper fixed cylinder where ...
03/21/1989
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