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Title: US5434734: Apparatus for reducing distortion in a tape recorder
[ Derwent Title ]


Country: US United States of America

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Inventor: Hubbard, deceased, L. Ron; late of East Grinstead, United Kingdom
Starkey, executor, Norman F.; Hollywood, CA

Assignee: Church of Spiritual Technology, Los Angeles, CA
other patents from CHURCH OF SPIRITUAL TECHNOLOGY (694453) (approx. 6)
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Published / Filed: 1995-07-18 / 1993-06-25

Application Number: US1993000082808

IPC Code: Advanced: G11B 15/60; G11B 23/02; G11B 23/50; H05F 3/02;
Core: more...
IPC-7: G11B 15/60;

ECLA Code: G11B15/60; G11B23/02A; G11B23/50B; H05F3/02;

U.S. Class: Current: 360/130.21; G9B/015.076; G9B/023.019; G9B/023.097;
Original: 360/130.21;

Field of Search: 360/084-85,130.2-130.33,132,90

Priority Number:
1993-06-25  US1993000082808
1985-04-02  US1985000718507

Abstract:     An apparatus for reducing distortion during recording in a tape recorder of the type including a recording head which includes an electrically grounded, electrically conductive member in light contact with a coated surface of the recording tape provided adjacent the recording head. With this structure, excess electrons present on the coated surface of the tape after recording are removed.

Attorney, Agent or Firm: Small Larkin & Kidde ;

Primary / Asst. Examiners: Heinz, A. J.;

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Related Applications: Go to Result Set: 1 patent(s) that list this one as related
Application Number Filed Patent Pub. Date  Title
US1985000718507 1985-04-02       


       
Parent Case:     This is a Continuation of application Ser. No. 06/718,507 filed on Apr. 2, 1985 now abandoned.

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First Claim:
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I claim:     1. A magnetic tape recorder system comprising:
  • a magnetic recording tape having a recording medium on one surface, a first end and a second end and a predetermined width;
  • a recording head adapted to record signals on the magnetic coating as the tape is passed over the head during recording;
  • a smooth, non-rotatable, electrically conductive, rectangularly cross-sectioned bar having a predetermined length which is greater than the width of said tape, a predetermined width and a predetermined thickness adapted for sweeping off excess electrons present on the tape after the tape has passed over the recording head;
  • an insulated, elecrically conductive wire attached at one of its ends to a side wall of said bar with a nut and screw at a position adjacent one end of said bar and attached at its other end to an electrically conductive, grounded component of said system.


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U.S. References: Go to Result Set: All U.S. references   |  No patents reference this one   |   Backward references (10)   |   Citation Link

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PDF
Patent  Pub.Date  Inventor Assignee   Title
Buy PDF- 5pp US3869725  1975-03 Dattilo  Motorola, Inc. Combination end of tape sensor and tape guide device
Buy PDF- 6pp US3879751  1975-04 Gimelli   Court reporting dictating system and method
Buy PDF- 7pp US3881186  1975-04 Nakauchi  Kokusai Gijutsu Kaihatsu Kabushiki Kaisha Incremental tape drive apparatus for tape recorders
Buy PDF- 9pp US4011592  1977-03 Kawada  Denki Onkyo Company, Ltd. Cassette tape recorder with tape pad
Buy PDF- 5pp US4276575  1981-06 Schoettle et al.  BASF Aktiengesellschaft Tape guide for high-speed tape transport apparatus
Buy PDF- 10pp US4383285  1983-05 Stoar  Staar S.A. Memory error signal devices for tape cassettes with memory
Buy PDF- 9pp US4509087  1985-04 Jager et al.  U.S. Philips Corporation Tape grounding element in a magnetic-tape cassette
Buy PDF- 11pp US4578725  1986-03 Muller  U.S. Philips Corporation VCR with improved fast winding static electricity drain
Buy PDF- 11pp US4625252  1986-11 Baly et al.  BASF Aktiengesellschaft Guide system and magnetic tape cassette comprising such a system
Buy PDF- 8pp US4667261  1987-05 Roos et al.  BASF Aktiengesellschaft Tape guide system for magnetic tapes, especially video tapes
       
Foreign References:
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Publication Date IPC Code Assignee   Title
  JP55150169 1980-11       
  JP60098549 1985-06       


Other Abstract Info: DERABS G1995-263468 DERABS G1995-263468 DERABS G1998-229230

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