Matches 1 - 50 out of 165 1 2 3 4 >
Match Document Document Title
7207514 Methods and systems for control of film transport  
Methods and systems of controlling transport of film are disclosed. In one embodiment, a method of controlling a supply platter motor in a no-rewind film transport system, comprises receiving...
6534945 Creel for a textile machine producing cheeses  
A creel ( 18 ) for a textile machine ( 1 ) producing cheeses ( 11 ), with a drive device ( 27 ) integrated into the creel ( 18 ) having an electromotor ( 35 ) which can be loaded with a braking...
6325321 Process for operating a reel winding device, a reel winding device, and a measuring device  
Process for winding a reel and a reel winding apparatus, as well as a measuring apparatus. The process includes determining the driving forces at the locations of the introduction of the driving...
6161788 Reeling device  
A reeling device for hoses and/or cables, wherein the reeling device (1) includes a rotatable member (3) which is rotated during unwinding or reeling of the hose and/or cable (4) and wherein a...
5909855 Method for winding a paper web  
A method for winding a paper web in which the paper web is wound by a winder or equivalent winding apparatus onto a roll and the running speed of the winder is controlled based on the frequency of...
5825374 Apparatus and method for advancing a web  
In an apparatus for intermittently advancing a web, only one surface of the web contacts moving parts of the apparatus. The apparatus includes, in a direction of movement of the web, a device for...
5478025 Tension controlled winding device  
The present invention relates to a tape winding tension control device which has at least one electromagnetic tension controller, a control circuit and at least one central processor, in which, the...
5472127 Strip tension control apparatus  
The tension of a strip can be controlled with high responsiveness and high accuracy despite its drastic external variation by threading the strip (1) between a transportation roll (2) and a movable...
5308006 Device for winding-up material webs  
A winding device includes a support roller receiving strips of a material web to be wound up on two coil rollers mounted on respective winding supports flanking the support roller and movable...
5160098 Tension control system and method  
A tension control system for maintaining a substantially constant predetermined tension on material being unwound from or wound onto a roll of material. The control system includes a shaft for...
5141169 Method and apparatus for winding a yarn according to desired tension and winding speed  
In a yarn winding apparatus which comprises a bobbin holder for holding a yarn winding bobbin and a contact roller pressed against the bobbin held by the bobbin holder or a package wound onto the...
5022604 Reel servo device for video cassette recorder in direct drive reel system  
A reel servo device for a video cassette recorder with a direct drive reel system, which carries out smoothly fast forward and fast rewind operations by distributing properly the load carried to...
5007599 Hydraulically-actuated controller for reel drive  
A hydraulically-actuated controller is disclosed for controlling delivery of hydraulic fluid from a variable-displacement, pressure-compensated pump to a hydraulically-powered reel on which is...
4947088 Method and apparatus for controlling reel tension  
Hitherto, in the tension control for a reel, it is impossible to exceed the tension controlling range of about 1:10 which is determined by the tension controlling range of a single DC motor, so...
4852785 Printer paper control apparatus and method  
Motor control apparatus is described that is used in a printer that prints on a paper web coming from a roll of paper and has two-sided printing capability using two print mechanisms. The motor...
4826093 Winding apparatus for elongate elements  
Apparatus for winding at least one elongate element with a constant linear speed, such apparatus comprising a feeding mechanism 3, 4, 30, 31, 32 for said elongate element 1, a reel 6 and an...
4789813 Apparatus for tension control of a flexible material during winding or unwinding from a drum or reel  
Apparatus for controlling the tension of travelling filamentary material such as that being unwound from a drum or spool. It comprises a three phase induction motor for turning the drum or spool...
4768728 Method and apparatus for rewinding a thread  
The tension in the rewound thread is modified in programmed manner as a function of the residual thread length still on a copy, the residual thread length being determined from the difference...
4739950 Constant velocity tape drive system  
This system moves magnetic tape past the read/write head at a constant velocity by separately servo controlling the source reel motor and the take-up reel motor. Separate fine encoders are...
4736900 Motor control apparatus for reel-to-reel tape drive system  
A motor control apparatus including a first motor (16) driving a first reel (2) a second motor (26) driving a second reel (1), independently operable to the first motor, and a unit (5) for...
4696439 Tape speed and tension control system for a magnetic tape cassette apparatus  
A digital tape cassette apparatus having a speed sensing roller in frictional contact with the magnetic tape within a cassette housing at a point intermediate the magnetic head and that one of the...
4664336 Motor control apparatus for reel-to-reel tape drive system  
A motor control apparatus for an unbuffered reel-to-reel drive system including independently operable first and second drive motors including first and second sensors for detecting rotation of...
4565334 Electrohydraulic drive for process line winders, unwinders and other equipment  
An electrohydraulic drive for process line equipment, especially a spooler that winds and pays out an indefinite length of metallic strand, varies the output torque of a hydraulic motor by...
4548366 Chuck drive system  
In a filament winding machine with a directly driven chuck and a friction roll which contacts the package during winding, the chuck is held spaced from the roll in an initial phase of winding so...
4535950 Method and apparatus for roll winding measurement  
A method and apparatus for continuously measuring the compressive strain and determining the compressive pressure on rolls of flexible material as they are being wound and for measuring the...
4532597 Digital inertia compensation generator and reel motor drive system embodying the same  
A programmable controller which generates a digital normalized diameter signal and a digital normalized reel strip velocity signal is adapted for the generation of inertia compensation either with...
4519039 Digital coil diameter function generator and reel motor drive system embodying the same  
A programmable controller including coil diameter calculator and strip speed derivation and inertia compensation is associated with a reel system for the generation in normalized digital form of...
4508281 Hydraulic drive system for cable stringing apparatus  
A rotary drum cable winding apparatus particularly adapted for constant tension pulling operations in conjunction with stringing aerial electrical cables includes a hydraulic drive and control...
4504023 Apparatus producing constant cable tension for intermittent demand  
The disclosed apparatus produces constant tension in superconducting electrical cable, or some other strand, under conditions of intermittent demand, as the cable is unreeled from a reel or reeled...
4500046 Strip material take-up apparatus  
A device for rolling up strip material such as paper on a reel or spool for temporary storage purposes, which maintains a relatively uniform tension on the strip material regardless of the movement...
4497459 Tape drive control apparatus  
A tape drive control apparatus controls to set a tape speed to be constant in a fast forward or rewind mode (wherein a magnetic tape is driven by only reel motors without using a capstan) by using...
4496112 Method of controlling a web winding process  
A method of controlling the internal tension of a web roll, in particular a paper web roll during winding of the roll in a winder having two, individually driven supporting rollers. The rotational...
4480799 Apparatus for controlling tension applied onto an electric wire in a winding machine  
A tension control apparatus in a winding machine for controlling tension applied to a continuous electric wire wound around a bobbin to form a perfect layer coil in such manner that tension of the...
4470553 Inline winder  
An inline winder is provided for taking-up a rapidly advancing filament, especially a glassy alloy filament of indefinite length at constant speed directly from a high speed continuous forming...
4469291 Apparatus for introducing strip-shaped material into cassettes or the like  
A copying machine admits a web of freshly exposed photographic paper directly into a cassette whose core engages and convolutes the web therearound. The progress of engagement between the leader of...
4461433 Tape speed control apparatus  
Apparatus for controlling the speed of advancement of tape extending between supply and take-up reels in a VTR during changes in the speed of advancement of the tape includes for each reel a tape...
4448368 Control for tape drive system  
A control for a digital cassette tape drive maintains constant linear tape velocity at the playback head, constant tape tension, provides compensation for inertial imbalances and provides for...
4411393 Web tension control apparatus  
Apparatus for controlling the tension of a web during transport, such as a label-carrying web in a heat transfer labelling machine. The web travels from a supply reel, around a dancer roll and...
4347994 Magnetic tape drive arrangement  
A magnetic tape drive arrangement without pressure roller, having a signal generator which generates a signal T, derived from the capstan motor current and the capstan speed. The is proportional to...
4344582 Microprocessor-controlled product roving system  
A microprocessor-based system for controlling a product roving process employing a pair of substantially identical high speed creel assemblies each of which being adapted to operatively carry a...
4342432 Control system for slitter-rewinder apparatus  
A control system for a slitter-rewinder apparatus which forms a web of material into a plurality of individual rolls, the web being unwound from around a supply core and slit into strips which are...
4332359 Tensioning means for reel-to-reel tape transports  
A reel-to-reel tape drive system is disclosed in which primary control signals are applied to motors to drive both the payout and takeup reels and in which secondary control signals are provided to...
4307848 Device for controlling the take-up speed of a winding frame  
The invention relates to a device for controlling the take-up speed of a winding frame for textile yarns, which winding frame has peripheral drive by means of a pilot roller and axial drive by...
4293101 Apparatus for helically coiling bands after slitting wide strip  
A coiling apparatus, wherein a band tension regulator is operatively coupled with a hydraulic cylinder for controlling a friction drive of a coiling drum whose rotation speed is governed in a...
4280081 Motor drive system with inertia compensation  
A motor drive system having a direct current, shunt motor utilized in a web coiling operation and operated in a tension control mode includes circuitry to automatically provide compensation for...
RE30448 Tape recorder system  
A high performance magnetic tape transport and tape cartridge. The cartridge includes coplanar hubs carrying tape rolls on fixed axes, a brake system which urges each hub in a direction to tension...
4203560 Process and device for the winding-up of textile yarn  
The invention relates to a process and a device for the winding-up of textile yarn. The process includes winding-up by double drive, namely peripheral and axial drive, according to which, in a...
4166590 Process and apparatus for maintaining a constant material web speed during winding operations  
Disclosed is a process and an apparatus for use therewith for maintaining a constant material web speed during winding of the material onto a driven roll. The process comprises adjusting the speed...
4165843 Apparatus for winding a web of material, especially paper  
An apparatus for winding a web of material has first and second supporting rolls each driven by a motor and has a gap therebetween wherein the spool of the web of goods being rolled is pressure...
4159808 Variable ratio winder  
A web winder of the center wind type drives the web roll through a controllable variable speed mechanical transmission whose input shaft is turned by a variable slip torque modulating device whose...
Matches 1 - 50 out of 165 1 2 3 4 >