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Class Information
Number: 242/334.5
Name: Winding, tensioning, or guiding > Unwinding and rewinding a machine convertible information carrier (e.g., magnetic tape or photographic film) > Carrier speed or tension control > Coil diameter or weight responsive sensor
Description: Subject matter wherein the regulating means includes a mechanism responsive to an input signal representative of either the diametrical extent or gravitational force acting on a wound portion of the carrier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7207514 |
Methods and systems for control of film transport |
Apr. 24, 2007 |
| 7114673 |
Tape-like recording medium running device |
Oct. 3, 2006 |
| 6305628 |
Controlled tape stopping with feed forward during power loss |
Oct. 23, 2001 |
| 6089485 |
Apparatus or method for controlling tape speed |
Jul. 18, 2000 |
| 5921493 |
Tape tension control apparatus |
Jul. 13, 1999 |
| 5724203 |
Method and apparatus for determining addresses in time along a recording tape |
Mar. 3, 1998 |
| 5683053 |
Cine-video film transport apparatus having film supply and take-up reels between which the film is driven at a speed varied in accordance with changes in the outer diameter of the film being u |
Nov. 4, 1997 |
| 5645241 |
Device for winding magnetic tape of tape cassette in good order |
Jul. 8, 1997 |
| 5540398 |
Magnetic tape tension control device |
Jul. 30, 1996 |
| 5465918 |
Current supply circuit and control method for supply current in a magnetic tape apparatus |
Nov. 14, 1995 |
| 5400980 |
Tape driving apparatus |
Mar. 28, 1995 |
| 5330118 |
Tape driving apparatus |
Jul. 19, 1994 |
| 5259563 |
Magnetic recording/reproducing apparatus without capstan |
Nov. 9, 1993 |
| 5222684 |
Tape driving apparatus for tape medium record reproducing apparatus |
Jun. 29, 1993 |
| 5209422 |
Tape tension and braking control device and method |
May. 11, 1993 |
| 5085379 |
Method of controlling reel drive |
Feb. 4, 1992 |
| 5039027 |
Method for control of tape tension between the reels and apparatus therefor |
Aug. 13, 1991 |
| 4979691 |
Contact printer |
Dec. 25, 1990 |
| 4788558 |
Method and apparatus for controlling tension in tape progressed along a feed path |
Nov. 29, 1988 |
| 4786992 |
Apparatus and method for controlling tape tension using acceleration and average tension deviation information to adjust motor drive currents |
Nov. 22, 1988 |
| 4516740 |
Tape driving control apparatus |
May. 14, 1985 |
| 4394994 |
Tape fast-forwarding and rewinding apparatus |
Jul. 26, 1983 |
| 4316655 |
Adjustable automatic surveillance camera |
Feb. 23, 1982 |
| 4225098 |
Tape transport apparatus |
Sep. 30, 1980 |
| 4189114 |
Fast rewinding device for cassette tapes |
Feb. 19, 1980 |
| 4052023 |
Film editor |
Oct. 4, 1977 |
| 4018402 |
Tape transport apparatus |
Apr. 19, 1977 |
| 4013160 |
Ribbon tensioning device for ribbon cartridge |
Mar. 22, 1977 |
| 3998398 |
Apparatus winding endless bands of film on hubs of spools |
Dec. 21, 1976 |
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