Matches 1 - 21 out of 21
Match Document Document Title
7102857 Rotary head drum apparatus capable of positively receiving a splashing adhesive  
A rotary head drum apparatus includes a stator drum. A rotary drum is provided with a plurality of magnetic heads and rotates the magnetic heads. The rotary drum is mounted for rotational movement...
6018442 Recording and/or reproducing apparatus having rotary scanning drum supported by a bearing having contacting bearing surfaces which provide electrical grounding  
An apparatus having a read/write head for reading and/or writing information on an information carrier which may be in the form of a tape or disc. The head is mounted on a drum which is supported...
5793561 Rotary drum assembly having dynamic-pressure generating mechanism between rotary shaft and bearing  
A rotary drum assembly is arranged so that upper and lower drums can rotate about a central shaft with respect to each other via a dynamic-pressure bearing. In the rotary drum assembly, the central...
5790350 Head drum assembly for a VCR with a shaft including a vertical groove and a slanted groove  
Disclosed is a head drum assembly for a VCR having a simple structure and high reliability. Provided is a shaft including a vertical groove extending from an upper portion to a lower portion of the...
5754374 Dynamic pressure bearing apparatus and head drum assembly of a video cassette recorder utilizing the same  
Disclosed is a lubricating apparatus which can compensate for the radial load and the thrust load of the shaft. The lubricating apparatus includes a housing formed at an inner portion thereof with...
5751520 Head drum assembly of a video cassette recorder  
Disclosed is a head drum assembly of a video cassette recorder which can support the radial load and the thrust load of the shaft. The head drum assembly includes a lower drum, an upper drum, a...
5734530 Head drum assembly incorporating therein parts coated with diamond-like carbon  
A head drum assembly for use in a VCR includes a rotating shaft with a diamond-like carbon ("DLC") coating; a rotary drum fitted tightly around the rotating shaft; a stationary drum, fitting around...
5581425 Head drum for a magnetic recording/reproducing apparatus  
A head drum, for a magnetic recording/reproducing apparatus, includes a hemispheric hydraulic bearing capable of reducing frictional resistances created due to an axial direction force and a radial...
5453892 Rotary magnetic head drum with fluid bearing and with head chips mounted together in parallel  
In a digital magnetic recording and/or reproducing apparatus, a magnetic head comprises a plurality of head chips mounted closely together in parallel with each other on a rotary drum member which...
5019926 Magnetic-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)....
4972283 Rotary head drum for a VCR  
A rotary head drum for a VCR using a fluid dynamic pressure bearing comprising a lower drum fixed to a base plate, a rotary shaft attached to the center of the lower drum, an upper drum fixed to a...
4964008 Rotatable magnetic-head unit for a magnetic-tape apparatus  
A rotatable magnetic-head unit comprises a cylindrical drum with at least one magnetic head for recording and/or reproducing signals on/from a magnetic tape. This magnetic tape is wrapped around a...
4961122 Hydrodynamic grooved bearing device  
A hydrodynamic grooved bearing device in which a shaft is inserted into a hole formed in a bearing housing and one of the shaft and bearing housing is rotated, thereby the rotated member being...
4875110 Rotary head apparatus with motor magnet and yoke surrounding motor stator coil  
A rotary head apparatus includes magnetic heads on its outer peripheral portion and rotatably supported in a hollow space defined by fixed hollow upper and lower cylindrical drums, a brushless...
4742414 Rotary magnetic head device for magnetic recording/reproduction apparatus  
Disclosed is a rotary magnetic head device for a magnetic recording/reproducing apparatus including image signal transmitters. A dynamic pressure type bearing is provided on one of a rotary member...
4706143 Rotary head cylinder device with fluid bearing  
A rotary head cylinder device with a fluid bearing having a lower cylinder, a fixed shaft supported at its bottom in a cantilever way, a sleeve rotatably fitted on the shaft and cylindrical rotary...
4673997 Electrically conductive ferrofluid bearing and seal apparatus and low-viscosity electrically conductive ferrofluid used therein  
An electrically conductive ferrofluid-film-bearing apparatus and seal apparatus for a shaft which employs a low-viscosity, electrically conductive ferrofluid composition, which composition...
4490759 Rotary head assembly having fluid thrust and radial bearings  
In a rotary head assembly for magnetic recording and reproducing apparatus such as VTR, fluid or hydraulic radial and thrust bearings are provided between a stationary sleeve whose one end is...
4366519 Rotary head assembly for videotape recorder or reproducer  
In a rotary head assembly for magnetic recording and reproducing apparatus such as VTR sets, of the type comprising a stationary shaft having its one end securely joined to a stationary member, a...
4363047 Rotary head assembly for magnetic recording and reproducing device  
The present invention relates to a rotary head assembly for a magnetic recording and reproducing device such as VTR. A stationary center shaft is mounted on the side of a stationary cylinder while...
4301487 Rotary head assembly with lubricating double sleeve construction  
In a rotary head assembly for magnetic recording and reproducing apparatus such as VTR, fluid or hydraulic radial and thrust bearings are provided between a stationary sleeve whose one end is...
Matches 1 - 21 out of 21