Matches 1 - 34 out of 34
Match Document Document Title
7355820 Head drum assembly for tape recorder and method of assembling the same  
A head drum assembly for a tape recorder maintains a substantially constant preload and reduces manufacturing costs. The head drum assembly includes a shaft fixed to a center of a stationary drum,...
7139155 Head drum assembly of a tape recorder having a resilient body to preload bearings thereof  
A head drum assembly of a tape recorder in which an inner race and an outer race of an upper bearing are press-fitted onto a shaft and a rotary drum, respectively, thereby applying a preload. A...
7099119 Magnetic head, method for recording/reproducing tape-like magnetic recording medium, and rotary magnetic head mechanism  
To provide a magnetic head, a recording/reproducing method for a tape magnetic recording medium and a rotary magnetic head mechanism. A flat head FH 1 is mounted on a rotary drum DR 1 capable of...
7019947 Head drum assembly mounting structure on a deck of a tape recorder  
In a head drum assembly mounting structure on a deck of a tape recorder, a plurality of connecting holes and positioning holes are formed in a drum boss provided at a lower portion of a fixing...
6927944 Base, drum, and drum mounting unit for magnetic recording reproducing apparatus  
A tilt stand having a mounting surface and holes for mounting a drum are formed by one normal-feed press working. The holes for mounting the drum are formed by vertical punching. The respective...
6724579 Head drum assembly mounting structure on a deck of a tape recorder  
In a head drum assembly mounting structure on a deck of a tape recorder, a plurality of connecting holes and positioning holes are formed in a drum boss provided at a lower portion of a fixing...
6205006 Magnetic recording and reproducing apparatus with a rotary head cylinder unit supported with a predetermined pressure  
A magnetic recording and reproducing apparatus which allows a reduction in the necessary space by attaching a rotary head cylinder unit (5) onto a chassis 6 through leaf springs (23) using set...
5883751 Magnetic tape recording and reproducing apparatus preventing axial vibration of rotary head cylinder  
A magnetic tape recording and reproducing apparatus prevents vibration caused by rotation of a rotary drum constituting a rotary head cylinder. The magnetic tape recording and reproducing apparatus...
5867349 Drum with fitting lugs for positioning and attaching to a deck  
Deck and drum for a tape playback and/or recorder machines in which the assembly of deck and drum is made by way of lugs 19 of the drum cooperating with catch 14 of the deck. With such an...
5838520 Magnetic recording/reproducing apparatus with tilting head drum for dynamic tracking  
Magnetic recording/reproducing apparatus has a lower drum, an upper drum equipped with a rotary magnetic head and being coaxially and rotatably supported by the lower drum, a first tilt driving...
5831796 Apparatus 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...
5729407 Rotary head drum with integrated yoke and vibration resistant base  
A rotary head drum of a magnetic recording/playback apparatus having a back yoke integrated with a ring collar. The head drum includes a rotatable shaft, an upper rotary drum and a lower stationary...
5713121 Method of manufacturing a rotary head drum  
Disclosed is a rotary head drum having a simplified structure, and a method for manufacturing thereof. An upper drum having at least two video heads formed at an outer bottom portion thereof is...
5486966 Head drum ground system for use in a video cassette recorder  
A head drum ground system for use with a VCR comprises a PCB having a grounding terminal; and an electrical coupler electrically connected to the grounding terminal of the PCB at its opposite ends...
5459625 Rotary head drum device  
In a rotary head drum device for use in a video tape recorder or the like, a motor is provided between a rotating drum and a fixed drum. A drum base has at least three supporting surfaces for...
5438468 Rotary head drum having reduced exterior dimensions  
An rotary drum head for recording and/or reproducing a signal on slanted tracks formed on a magnetic tape. A chassis is provided with a rotary head drum unit having a lower stationary drum mounted...
5392507 Method of positioning magnetic heads on a turntable  
A method for quickly and accurately positioning the rotary magnetic heads of a recorder/reader unit. The support for the magnetic heads includes a turntable and a countertable that are circular and...
5377059 Bi-directional dual-dram magnetic record/reproducing apparatus  
A magnetic recording/reproducing apparatus (VTR, Camcorder, DAT and the like) which can record and reproduce image signals and audio signals on a magnetic tape. The magnetic recording/reproducing...
5317466 Magnetic head drum apparatus having upper and lower stationary drums and a rotatable member therebetween arranged to damp noise and vibration  
A magnetic head drum of a helical-scan type for video data recording and reading apparatus comprises upper and lower stationary drums securely mounted on a spindle, an intermediate member rotatably...
5287236 Method and apparatus for recording and/or reading information on a magnetic tape  
The invention relates to a method and to apparatus for quickly and accurately positioning the rotary magnetic heads of a recorder/reader unit. The support for the magnetic heads includes a...
5287341 Rotating optical head apparatus  
A rotating intermediate drum having mounted thereon optical head is made smaller than stationary upper and lower drums in diameter and spiral grooves are formed on the rotating intermediate drum on...
5265084 Rotary drum assembly with pump-out spiral grooves  
A rotary drum assembly comprises a stationary member having a stationary cylindrical portion, and a rotary member having substantially the same diameter as that of the stationary member and...
5021908 Magnetic 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...
4989110 Full 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...
4823211 Rotary magnetic tape transducer headwheel structure  
To effectively eliminate cross-talk between the weak signals picked up by a tape transducer pick-up head with signals being applied to a recording head, a disk-like headwheel carrier has a...
4692824 Magnetic recording/reproducing apparatus  
In a magnetic recording/reproducing apparatus with a U-type (β system) tape loading system, a rotary head cylinder is inclined toward a point where is located on the peripheral surface of the...
4611255 Rotating head assembly  
A rotating head assembly comprises a fixed lower drum; a rotating member which has at least one head and also has a void hole in a position corresponding to the axis of rotation; supporting means...
4479157 Mounting for a head drum of a helical scan recorder  
A symmetrical mounting arrangement for a detachable head drum of a helical scan tape recorder in which a deformable sleeve extends from the drum along the drive spindle with a small clearance, and...
4400751 Video head drum for video tape recorders  
A video head drum for a helical scan type video tape recorder, in which a rotary head drum is fixed to a rotary shaft by use of a ring member placed over a cylindrical member which is fitted into...
4395745 Head-drum mounting for a helical scan tape recorder  
The head-drum rotary system of a helical scan video recorder is centered on the drive spindle without tilting, by elastic deformation of two wall portions which serve as centering devices. At least...
4321639 Apparatus for magnetically recording and reading wide-band signals  
A helical scan tape recorder having a head support accommodating one or more magnetic heads mounted on a drive spindle. The head support is centered relative to the axis of rotation of the drive...
4163266 Magnetic tape scanning assembly for use in video tape recorder and playback apparatus  
Guiding drums for a magnetic tape scanning assembly for use in a video tape recorder and playback apparatus are made of a specific aluminum-silicon alloy consisting essentially of 8 to 15% by...
4030133 Guide drum apparatus for a video tape recorder and/or player  
A guide drum apparatus for a video tape recorder and/or player has: a main shaft secured on a chassis, a first guide drum rotatably mounted on the main shaft and having a plurality of magnetic...
3414684 Video recorder and/or reproducer with intermediate tape drive  
Matches 1 - 34 out of 34