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Class Information
Number: 242/334.6
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 > Carrier tension responsive signal
Description: Subject matter wherein the regulating means includes an input device sensitive to longitudinal stress in the carrier.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7140570 |
Reel brake device having simple structure and a magnetic recording/reproducing apparatus having the same |
Nov. 28, 2006 |
| 6918553 |
Controlling winding tension to reduce tape pack stress |
Jul. 19, 2005 |
| 6863232 |
Tape tension controlling mechanism for magnetic recording/reproducing apparatus |
Mar. 8, 2005 |
| 6817560 |
Combined tension control for tape |
Nov. 16, 2004 |
| 6819065 |
Dynamic braking of a tape motor |
Nov. 16, 2004 |
| 6712302 |
Delta velocity tension control for tape |
Mar. 30, 2004 |
| 6563659 |
Method and apparatus for servo code based tape tension measurement |
May. 13, 2003 |
| 6405956 |
Tape deck having a braking member for producing different braking states on a reel holder |
Jun. 18, 2002 |
| 6286775 |
Magnetic recording apparatus |
Sep. 11, 2001 |
| 6079658 |
Device having tension control means including a coil spring for controlling the tension in an elongate material |
Jun. 27, 2000 |
| 5992780 |
Method for controlling the speed of horizontally rotatable supply turntables for tape material |
Nov. 30, 1999 |
| 5992781 |
Indirect drive mechanism for recording and reproducing apparatus capable of accomodating different size cassettes |
Nov. 30, 1999 |
| 5947402 |
Magnetic recording and reproducing apparatus for controlling the tension of a magnetic tape |
Sep. 7, 1999 |
| 5934593 |
Tape tensioner for use in magnetic recording-playback device |
Aug. 10, 1999 |
| 5927631 |
Video cassette recorder equipped with a tape tension adjusting device |
Jul. 27, 1999 |
| 5868332 |
Recording and/or reproducing apparatus having tape tension control mechanism with plural braking devices |
Feb. 9, 1999 |
| 5836533 |
Hybrid arm-position/tape-tension servocontrol system |
Nov. 17, 1998 |
| 5833157 |
Tape tension adjusting device for use in a video cassette recorder |
Nov. 10, 1998 |
| 5829702 |
Method and apparatus for counteracting interlayer slip in magnetic tape drive |
Nov. 3, 1998 |
| 5775616 |
Tape tension control apparatus for video cassette tape recorder |
Jul. 7, 1998 |
| 5772142 |
Tape tension control device for use in a video cassette recorder |
Jun. 30, 1998 |
| 5773938 |
Apparatus for controlling speed of a rotary motor |
Jun. 30, 1998 |
| 5772141 |
Tape tension controlling/adjusting device for use in a video cassette recorder |
Jun. 30, 1998 |
| 5725168 |
Magnetic recording and reproducing apparatus for controlling the tension of a magnetic tape |
Mar. 10, 1998 |
| 5715111 |
Tape tension control circuit that opens take-up reel tension feedback loop during capstan-free operation |
Feb. 3, 1998 |
| 5709348 |
Tape tension adjusting device for use in a video cassette recorder |
Jan. 20, 1998 |
| 5699972 |
Magnetic tape apparatus for eliminating a slack of magnetic tape when changing a tape winding direction |
Dec. 23, 1997 |
| 5697568 |
Reel holder brake device |
Dec. 16, 1997 |
| 5666034 |
Method for controlling velocity of a rotary motor and an apparatus therefor |
Sep. 9, 1997 |
| 5648834 |
Film tension sensing device |
Jul. 15, 1997 |
| 5642865 |
Arrangement for varying the tape tension in a magnetic-tape apparatus |
Jul. 1, 1997 |
| 5636805 |
Recording and/or reproducing apparatus having tape tension control mechanism |
Jun. 10, 1997 |
| 5626304 |
Apparatus for controlling tape tension |
May. 6, 1997 |
| 5609310 |
Recording and/or reproducing apparatus having a tape tension control device |
Mar. 11, 1997 |
| 5605300 |
Tape tension regulating system for a tape cassette recording and/or reproducing apparatus accomodating cassettes of different sizes |
Feb. 25, 1997 |
| 5602688 |
Method and apparatus for controlling surface pressure exerted on a movable magnetic head by a recording medium |
Feb. 11, 1997 |
| 5573194 |
Tape tension controlling apparatus for a reel shift deck mechanism |
Nov. 12, 1996 |
| 5553800 |
Apparatus for winding a tape-like material |
Sep. 10, 1996 |
| 5553801 |
Tape tension measuring device for use in a tape recorder including a guide pole with a piezoelectric coating |
Sep. 10, 1996 |
| 5540398 |
Magnetic tape tension control device |
Jul. 30, 1996 |
| 5504635 |
Device for adjusting a tension arm spring biasing force |
Apr. 2, 1996 |
| 5477399 |
Programmable tension control of a variable speed recorder |
Dec. 19, 1995 |
| 5474245 |
Cine-video film transport apparatus |
Dec. 12, 1995 |
| 5460334 |
Tape tension control apparatus for video cassette recorder |
Oct. 24, 1995 |
| 5445337 |
Tape recorder having integral tension pole and impedance roller |
Aug. 29, 1995 |
| 5419506 |
Cine-video film transport apparatus |
May. 30, 1995 |
| 5395066 |
Tape tension control for a magnetic recording and reproducing apparatus |
Mar. 7, 1995 |
| 5377926 |
Tape tension regulator |
Jan. 3, 1995 |
| 5335877 |
Device for exchanging a tape drive mode |
Aug. 9, 1994 |
| 5333807 |
Recording and reproducing apparatus having a tape tension changing mechanism |
Aug. 2, 1994 |
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