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| Number | Title | Issue Date |
| 8079539 | Built-in module for inverter and having tension control with integrated tension and velocity closed loops A built-in module for an inverter and having tension control with integrated tension and velocity closed loops, where required tension feedbacks can be obtained by internal calculations of the inverter or feedback signals of a tension sensor. The tension control mod... | 12/20/2011 |
| 7309178 | Image formation device An image formation device (facsimile machine, printer, copier, etc.) is provided, which is capable of reducing the amount of ink ribbon rolled up for the removal of slack of the ribbon. When a ribbon roll-up process is started, the operation mode of the image format... | 12/18/2007 |
| 7255300 | Method and apparatus for winding a filter media pack A method and apparatus are provided, for forming a filter element including a media pack in the form of a coiled web of fluted filter media, by feeding the web of fluted filter media at a controlled linear speed onto a mandrel rotated by a winding motor providing a ... | 08/14/2007 |
| 7243827 | Devices for drawing in a web of material A device for drawing a web of material into a machine, such as a printing press includes a draw-in mechanism that can be advanced along a draw-in path, and to which the web of material can be coupled. The draw-in mechanism can be driven by an electric motor that can... | 07/17/2007 |
| 7237453 | Acceleration pedal module with controllable friction device A power control device for drive motors in motor vehicles, in particular an accelerator pedal, includes an operating lever which may be operated by an operating force against a return force from a rest position on pivoting about a pivot axis. A damping device for da... | 07/03/2007 |
| 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 take-up platter control signal information from a take-up platter controll... | 04/24/2007 |
| 7163173 | Method of and apparatus for winding web When an elongate film is initially wound around a core, it is wound under a low winding tension command value T1 corresponding to the length of the core. Then, after the tension is progressively increased at a predetermined rate, the elongate film is wound wh... | 01/16/2007 |
| 7118062 | Web handling with tension sensing and adjustment A system of detecting and adjusting the normal force exerted by a web material around the circumferential surface of a cylinder is provided. Sensors associated with the cylinder surface are wired to a processor that compares detected normal web forces with a set val... | 10/10/2006 |
| 7118064 | Frictional clutch for torque-restricted torsional power transmission between two reels of a hand-held device An embodiment of the invention relates to a frictional clutch for a hand-held device for transferring a film from a backing tape onto a substrate. The frictional clutch in this embodiment includes a supply reel and a take-up reel rotatably mounted coaxially to each ... | 10/10/2006 |
| 6922515 | Method and apparatus to reduce variation of excess fiber length in buffer tubes of fiber optic cables The present invention provides a method for reducing and/or controlling the variations of excess fiber length along the length of reeled fiber optic buffer tubes during the manufacture of the buffer tubes. The present invention varies any number, or combination, of ... | 07/26/2005 |
| 6554938 | Over-coated optical fiber and manufacturing method thereof One or more optical fiber elements each constituted by a coated glass fiber are fed to an over-coating device and an over-coating is applied to the optical fiber elements in a lump, the feeding speed of the optical fiber elements to the over-coating devic... | 04/29/2003 |
| 6486904 | Thermal transfer printer that is capable of maintaining intermediate transfer sheet tension constant The thermal transfer line printer is provided with tension roller position detection means having tension rollers, rotatable tension roller support frames that support the tension rollers rotatably and press the tension rollers toward an intermediate shee... | 11/26/2002 |
| 6268005 | Sheeter wire apparatus An improved sheeter wire device providing constant tension on a feeder spool even during wire breakage. A constant speed motor draws wire across the face of the sheeter while a drag motor maintains constant tension on the wire. A pair of pinch rollers pro... | 07/31/2001 |
| 5979093 | Changeable information scroll sign module A web tension maintaining roll in a scroll sign module is arranged with its axis parallel to a rotatable second roll, both rolls being arranged for rotation between laterally spaced apart side frame members. For each roll, a short shaft projects from oppo... | 11/09/1999 |
| 5437417 | Device for winding a web A device for winding a web, preferably a plastic film web produced in a blowing or casting process, includes a driven winding tube for a web, a web tension measuring roller, a driven contact roller positioned between the winding tube and the web tension m... | 08/01/1995 |
| 5330118 | Tape driving apparatus A tape driving apparatus includes circuits for driving a supply reel and a take-up reel, circuits for detecting tape radii on the reels, a circuit for producing take-up side torque information and controlling the take-up reel, a circuit for setting a dete... | 07/19/1994 |
| 5301887 | Means for controlling the travel of a yarn in a textile machine A heat sensor which detects the heat generated from sliding frictional contact with a traveling yarn in a textile machine and generates control signals therefrom for the controlling of a yarn winding operation. A temperature-sensitive electric resistor, e... | 04/12/1994 |
| 5299753 | Cloth takeup and method A loom cloth takeup having pivotally mounted arms A exerting a force upon a friction roll (F) has first and second control devices (E) and (H) respectively for controlling tension on the cloth ahead of the friction roll (F) and for controlling a motor (G)... | 04/05/1994 |
| 5297748 | Filament autowinder with fault detection In apparatus for winding a filament (12) onto a bobbin (16), a free arm follower (32, 64) with guide pulleys (46, 48, 76, 78) is provided for both the bobbin (16) and filament supply spool (14). The free arm followers swing in respective arcs parallel to ... | 03/29/1994 |
| 5022599 | Controller for a winding machine A controller for a winding machine, for controlling the tension of a work running from a feed roller to a winding beam. The controller comprises a speed ratio control unit having a high response speed to control exactly the respective rotating speeds of a... | 06/11/1991 |
| 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 the supply reel motor and the take-up reel motor. The curren... | 06/11/1991 |
| 5012989 | Apparatus and method for tape velocity and tension control in a capstanless magnetic tape transport In a capstanless tape transport, practice of the invention provides substantially constant tape tension when tape is spooled from a supply reel to a take up reel over the tape's entire length, for either direction of tape travel. The tape velocity is main... | 05/07/1991 |
| 4958111 | Tension and web guiding system A system including a self-contained electromechanical control mechanism and method of operation is provided for controlling the tension and lateral position of a web or tape as it is motor driven to pass over a series of rollers. This device comprises mec... | 09/18/1990 |
| 4880175 | Tension setting and controlling method and apparatus in an automatic winder In an automatic winder, the tension device provided on each winding unit has a tenser in contact with a yarn to apply a resistance thereto, and a driving actuator of said tenser member, and each of the actuators provided on each winding unit is associated... | 11/14/1989 |
| 4875635 | Programmed ratio mechanical transmission A mechanical transmission system for transferring rotational motion between shafts comprising juxtaposed drums mounted on said shafts and a cable mechanically linking the drums. Each end of the cable is attached to the surface of one of the drums, and the... | 10/24/1989 |
| 4817887 | Device for controlling reel driving motor A device for running a tape-like medium between a pair of reels in accordance with one of a plurality of tape-running modes having different tape running speeds has the following constituents: a reel driving apparatus for rotating the reels; a circuit for... | 04/04/1989 |
| 4786992 | Apparatus and method for controlling tape tension using acceleration and average tension deviation information to adjust motor drive currents The invention relates to a tape transport mechanism in which two reels are respectively driven by different motors, thereby transporting a magnetic tape from one reel to another reel by passing through the portion of a read/write head without any variatio... | 11/22/1988 |
| 4752043 | Method of and apparatus for winding a precision optical fiber coil During the formation of an optical fiber coil on an elongated rotationally symmetrical support element, the tension applied to the optical fiber as it is being wound into the coil is gradually or incrementally decreased as the superimposed layers of the o... | 06/21/1988 |
| 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 associated with each reel, each encoder providing multiple pulses ... | 04/26/1988 |
| 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 cassette hubs operating as the takeup hub during forward t... | 09/29/1987 |
| 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 reels and a circuit for controlling the drive motors cooperat... | 05/12/1987 |
| 4607804 | Film winding and rewinding apparatus This invention relates to an improvement upon the film winding and rewinding apparatus forming the subject matter of my copending application Ser. No. 666,187 filed Oct. 29, 1984, by a replacement of its former manually-shifted electrochemical reversing s... | 08/26/1986 |
| 4533090 | Apparatus for tensioning band or web portions running off and onto two rollers In apparatus for tensioning film strip unwinding from one roller and running onto another roller in a cassette or camera, a D.C. motor is provided of which the armature shaft and/or the stator are freely rotatably mounted. The winding cores of the rollers... | 08/06/1985 |
| 4522351 | Motor differential drive reel tensioning system A tape tensioning device for tape recorder drive systems having first and second reels. A mechanical differential is disposed between the reels to permit counter rotation of the reels. A variable torque electrical motor is coupled to the differential for ... | 06/11/1985 |
| 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 electric wire is maintained substantially constant indepen... | 11/06/1984 |
| 4438891 | Tape transport system A capstan driven web system having a take-up reel and a supply reel, the tape being drawn from the supply reel by a tape driven capstan arrangement. The drawn tape is collected on the take-up reel which is mechanically coupled to the supply reel by a mech... | 03/27/1984 |
| 4387861 | Machine for separating double-rolled aluminum sheet Machine for separating double-rolled thin aluminum sheet and for winding the separated sheets onto winding shafts, the coil-carrying supply shaft being driven by a motor-generator controlled by a speed control circuit for a constant sheet speed, following... | 06/14/1983 |
| 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 first and second torque driving circuits which, responsiv... | 06/01/1982 |
| 4310131 | Braking mechanism, as for a tape recorder A braking mechanism for a tape transportable in opposite directions between two winding hubs, to prevent development of slack. Each hub has an associated brake disc and band, opposite ends of each brake band being connected to arms on different pivotal le... | 01/12/1982 |
| 4278338 | Camera-processor apparatus Camera-processor apparatus of the type adapted to record and develop a lengthy roll of strip recording medium includes a heat-processing device which is adapted to concurrently heat-develop all images of a multi-image segment of such medium and to concurr... | 07/14/1981 |
