← Back to Patent Explorer
US4825059A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for recording and reproducing information

Assignee: Canon Inc
•
Filing: 1986-10-22
•
Granted: 1989-04-25
•
Expires: 2006-10-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract In an apparatus for recording and reproducing information, an information recording medium is reciprocated relative to a head for effecting information recording and reproduction, under such conditions that one end of the recording medium is urged against a guide member extending in a direction of the reciprocation of the recording medium.

Inventors

  • 👤 Hitoshi Kurihara
  • 👤 Kenichi Suzuki
  • 👤 Kazuo Minoura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 10:51
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/002; G11B7/0033; G06; G06K; G06K13/00; G06K13/02; G06K13/06

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 77 words
An apparatus for recording and/or reproducing information comprising: a head for carrying out recording and/or reproduction of the information; means for reciprocating an information recording medium relative to said head; guide means for guiding the recording medium in a direction of the reciprocation of the recording medium; and urging means for obliquely urging at least a ridge of one of opposite ends of the recording medium so as to urge the recording medium against said guide means.
Claim 2
Independent Claim 77 words
An apparatus for recording and/or reproducing information comprising: a head for carrying out recording and/or reproduction of the information; means for reciprocating an information recording medium relative to said head; guide means for guiding the recording medium in a direction of the reciprocation of the recording medium; and urging means for obliquely urging at least a ridge of one of opposite ends of the recording medium so as to urge the recording medium against said guide means.
Claim 3
Dependent Claim 25 words
An apparatus according to claim 1 wherein said urging means includes a recessed portion by which the recording medium is urged against said guide means.
Claim 4
Independent Claim 109 words
An apparatus for recording and/or reproducing information comprising: a head for carrying out recording and/or reproduction of the information; means for reciprocating an information recording medium relative to said head; first guide means for coming into contact with one of opposite ends of the recording medium extending in a direction of the reciprocation of the recording medium; second guide means for coming into contact with a plane of the recording medium near the other of said opposite ends; and urging means for obliquely urging a ridge of said the other end of the recording medium so as to urge the recording medium against said first and second guide means.
Claim 5
Independent Claim 109 words
An apparatus for recording and/or reproducing information comprising: a head for carrying out recording and/or reproduction of the information; means for reciprocating an information recording medium relative to said head; first guide means for coming into contact with one of opposite ends of the recording medium extending in a direction of the reciprocation of the recording medium; second guide means for coming into contact with a plane of the recording medium near the other of said opposite ends; and urging means for obliquely urging a ridge of said the other end of the recording medium so as to urge the recording medium against said first and second guide means.
Claim 6
Dependent Claim 15 words
An apparatus according to claim 3 wherein said urging means comprises at least one roller.
Claim 7
Dependent Claim 25 words
An apparatus according to claim 1 wherein said urging means obliquely urges both ridges of said one of the opposite ends of the recording medium.
Claim 8
Dependent Claim 27 words
An apparatus according to claim 1 wherein said guide means comes into contact with both ridges of the other of said opposite ends of the recording medium.

References Cited (Backward Citations)

US2439420A Cited
US3787661A Cited
US4358103A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-04-24 1992-10-24 1993-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-04-24 1996-10-24 1997-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-04-24 2000-10-24 2001-04-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag