Patent US5479201A successfully refreshed from Google Patents.
US5479201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical beam scanner with circuit board mounted elements
Assignee: Canon Inc
•
Filing: 1995-02-16
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Granted: 1995-12-26
•
Expires: 2015-02-16
Abstract
Abstract An optical scanning apparatus has a light source unit, a first circuit board provided with the light source unit, a deflector for deflecting light beam from the light source unit, and a second circuit board provided with the deflector. The first circuit board and the second circuit board are connected electrically in such a manner that the positions thereof can be adjusted mechanically. Hence the optical beam scanner is made compact to obtain a sufficient bending strength and precision for an enhanced system reliability.
Inventors
- 👤 Yoshinori Sugiura
- 👤 Ryosuke Kaku
- 👤 Shin Mogi
- 👤 Jun Azuma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:35
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/08; G02B26/10; G02B26/12; G02B26/121; G02B5/00; G02B5/08; G02B5/09; G02B7/00; G02B7/18; G02B7/182; G02B7/1821; H; H04; H04N; H04N1/00; H04N1/04; H04N1/113; H04N1/1135; H05; H05K; H05K1/00; H05K1/02; H05K1/14
Claims Analysis
Total Claims: 60
Claim 1
Independent Claim
85 words
An optical scanning apparatus comprising: a light source unit; a first circuit board provided with said light source unit; a deflector for deflecting a light beam from said light source unit; a second circuit board provided with said deflector, including means for mechanically connecting said first and second circuit boards, and further including means for adjusting the positions of said first and second circuit boards with respect to one another; and means for electrically connecting said first and second circuit boards through a flexible board.
Claim 2
Dependent Claim
85 words
An optical scanning apparatus comprising: a light source unit; a first circuit board provided with said light source unit; a deflector for deflecting a light beam from said light source unit; a second circuit board provided with said deflector, including means for mechanically connecting said first and second circuit boards, and further including means for adjusting the positions of said first and second circuit boards with respect to one another; and means for electrically connecting said first and second circuit boards through a flexible board.
Claim 3
Dependent Claim
66 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; and a single circuit board on which said light source unit driving circuit and said deflector driving circuit are each mounted in a predetermined relationship.
Claim 4
Dependent Claim
66 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; and a single circuit board on which said light source unit driving circuit and said deflector driving circuit are each mounted in a predetermined relationship.
Claim 5
Dependent Claim
15 words
An apparatus according to claim 2 wherein said single circuit board is a metallic board.
Claim 6
Dependent Claim
78 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting light beam from said light source unit; optical means for guiding the light beam deflected by said deflector in a predetermined direction, with said optical means and said light source unit each being installed in a predetermined relationship on a single circuit board of said light source unit; and light receiving means, for receiving the beam guided in said predetermined direction by said optical means.
Claim 7
Dependent Claim
78 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting light beam from said light source unit; optical means for guiding the light beam deflected by said deflector in a predetermined direction, with said optical means and said light source unit each being installed in a predetermined relationship on a single circuit board of said light source unit; and light receiving means, for receiving the beam guided in said predetermined direction by said optical means.
Claim 8
Independent Claim
115 words
A method for installing circuit boards on an optical scanning apparatus, said method comprising: a step for mechanically mounting a light source unit on a light source driving circuit board; a step for mechanically mounting a deflector, for deflecting light beam from said light source unit, on a deflector driving circuit board; a step for electrically connecting said light source driving circuit board and said deflector driving circuit board through a flexible board; a step for mechanically connecting said light source driving circuit board and said deflector driving circuit board; and a step for mechanically adjusting the position of said light source driving circuit board and said deflector driving circuit with respect to one another.
Claim 9
Independent Claim
115 words
A method for installing circuit boards on an optical scanning apparatus, said method comprising: a step for mechanically mounting a light source unit on a light source driving circuit board; a step for mechanically mounting a deflector, for deflecting light beam from said light source unit, on a deflector driving circuit board; a step for electrically connecting said light source driving circuit board and said deflector driving circuit board through a flexible board; a step for mechanically connecting said light source driving circuit board and said deflector driving circuit board; and a step for mechanically adjusting the position of said light source driving circuit board and said deflector driving circuit with respect to one another.
Claim 10
Independent Claim
104 words
A method for installing circuit boards on an optical scanning apparatus, said method comprising: a step for mechanically mounting a light source unit on a first circuit board; a step for mechanically mounting a deflector, for deflecting light beam from said light source unit, on a second circuit board; a step for electrically connecting said first circuit board and said second circuit board through a flexible board; a step for mechanically connecting said first circuit board and said second circuit board; and a step for mechanically adjusting the position of said first circuit board and said second circuit board with respect to one another.
Claim 11
Independent Claim
104 words
A method for installing circuit boards on an optical scanning apparatus, said method comprising: a step for mechanically mounting a light source unit on a first circuit board; a step for mechanically mounting a deflector, for deflecting light beam from said light source unit, on a second circuit board; a step for electrically connecting said first circuit board and said second circuit board through a flexible board; a step for mechanically connecting said first circuit board and said second circuit board; and a step for mechanically adjusting the position of said first circuit board and said second circuit board with respect to one another.
Claim 12
Dependent Claim
95 words
A recording apparatus comprising: a light source unit; a first circuit board provided with said light source unit; a deflector for deflecting light beam from said light source unit; a second circuit board provided with said deflector, including means for mechanically connecting said first and second circuit boards, and further including means for adjusting the position of said first and second circuit boards with respect to one another; means for electrically connecting said first and second circuit boards through a flexible board; and a recording medium for receiving the light beam deflected by said deflector.
Claim 13
Dependent Claim
95 words
A recording apparatus comprising: a light source unit; a first circuit board provided with said light source unit; a deflector for deflecting light beam from said light source unit; a second circuit board provided with said deflector, including means for mechanically connecting said first and second circuit boards, and further including means for adjusting the position of said first and second circuit boards with respect to one another; means for electrically connecting said first and second circuit boards through a flexible board; and a recording medium for receiving the light beam deflected by said deflector.
Claim 14
Dependent Claim
76 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; a deflector driving circuit for driving said deflector; and a single circuit board on which said light source unit driving circuit and said deflector driving circuit are each mounted in a predetermined relationship.
Claim 15
Dependent Claim
76 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; a deflector driving circuit for driving said deflector; and a single circuit board on which said light source unit driving circuit and said deflector driving circuit are each mounted in a predetermined relationship.
Claim 16
Dependent Claim
81 words
A recording apparatus comprising: a light source unit; a deflector for deflecting light beam from said light source unit; a recording medium; optical means for guiding the light beam deflected by said deflector to said recording medium, with said optical means and said light source unit each being installed in a predetermined relationship on a single circuit board of said light source unit; and light receiving means for receiving the light beam guided in a predetermined direction by said optical means.
Claim 17
Dependent Claim
81 words
A recording apparatus comprising: a light source unit; a deflector for deflecting light beam from said light source unit; a recording medium; optical means for guiding the light beam deflected by said deflector to said recording medium, with said optical means and said light source unit each being installed in a predetermined relationship on a single circuit board of said light source unit; and light receiving means for receiving the light beam guided in a predetermined direction by said optical means.
Claim 18
Dependent Claim
27 words
An apparatus according to claim 2, further comprising light receiving means for receiving the light beam deflected by said deflector and installed on said single circuit board.
Claim 19
Dependent Claim
27 words
An apparatus according to claim 10, wherein said light receiving means detects a synchronous signal for determining a timing of starting modulation of said light source unit.
Claim 20
Dependent Claim
15 words
An apparatus according to claim 4, wherein said single circuit board comprises a metallic board.
Claim 21
Independent Claim
27 words
An apparatus according to claim. 4, further comprising light receiving means for receiving the light beam deflected by said deflector and installed on said single circuit board.
Claim 22
Dependent Claim
27 words
An apparatus according to claim 13, wherein said light receiving means detects a synchronous signal for determining a timing of starting modulation of said light source unit.
Claim 23
Dependent Claim
14 words
An apparatus according to claim 8, wherein said circuit board comprises a metallic board.
Claim 24
Dependent Claim
27 words
An apparatus according to claim 8, further comprising light receiving means for receiving the light beam deflected by said deflector and installed on said single circuit board.
Claim 25
Dependent Claim
27 words
An apparatus according to claim 16, wherein said light receiving means detects a synchronous signal for determining a timing of starting modulation of said light source unit.
Claim 26
Dependent Claim
15 words
An apparatus according to claim 9, wherein said single circuit board comprises a metallic board.
Claim 27
Dependent Claim
27 words
An apparatus according to claim 9, further comprising light receiving means for receiving the light beam deflected by said deflector and installed on said single circuit board.
Claim 28
Dependent Claim
27 words
An apparatus according to claim 19, wherein said light receiving means detects a synchronous signal for determining a timing of starting modulation of said light source unit.
Claim 29
Dependent Claim
71 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; and light receiving means for receiving the light beam deflected by said deflector, said light receiving means being mounted on a circuit board of said light source unit driving circuit.
Claim 30
Dependent Claim
71 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; and light receiving means for receiving the light beam deflected by said deflector, said light receiving means being mounted on a circuit board of said light source unit driving circuit.
Claim 31
Dependent Claim
21 words
An apparatus according to claim 21, wherein said circuit board of said light source unit driving circuit is a metallic board.
Claim 32
Dependent Claim
27 words
An apparatus according to claim 21, wherein said light receiving means detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 33
Dependent Claim
81 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; a recording medium for receiving the light beam deflected by said deflector; and a light detector for receiving the light beam deflected by said deflector, said light detector being mounted on a circuit board of said light source unit driving circuit.
Claim 34
Dependent Claim
81 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; a recording medium for receiving the light beam deflected by said deflector; and a light detector for receiving the light beam deflected by said deflector, said light detector being mounted on a circuit board of said light source unit driving circuit.
Claim 35
Independent Claim
21 words
An apparatus according to claims 24, wherein said circuit board of said light source unit driving circuit is a metallic board.
Claim 36
Dependent Claim
26 words
An apparatus according to claim 24, wherein said light detector detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 37
Dependent Claim
90 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction, said optical means being mounted on a circuit board of said light source unit driving circuit; and light receiving means for receiving the light beam guided in said predetermined direction by said optical means.
Claim 38
Dependent Claim
90 words
An optical scanning apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction, said optical means being mounted on a circuit board of said light source unit driving circuit; and light receiving means for receiving the light beam guided in said predetermined direction by said optical means.
Claim 39
Dependent Claim
21 words
An apparatus according to claim 27, wherein said circuit board of said light source unit driving circuit is a metallic board.
Claim 40
Dependent Claim
27 words
An apparatus according to claim 27, wherein said light receiving means detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 41
Dependent Claim
101 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction, said optical means being mounted on a circuit board of said light source unit driving circuit; and a light detector for receiving the light beam guided in said predetermined direction by said optical means.
Claim 42
Dependent Claim
101 words
A recording apparatus comprising: a light source unit; a light source unit driving circuit for driving said light source unit; a deflector for deflecting a light beam from said light source unit; a deflector driving circuit for driving said deflector; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction, said optical means being mounted on a circuit board of said light source unit driving circuit; and a light detector for receiving the light beam guided in said predetermined direction by said optical means.
Claim 43
Dependent Claim
21 words
An apparatus according to claim 30, wherein said circuit board of said light source unit driving circuit is a metallic board.
Claim 44
Dependent Claim
26 words
An apparatus according to claim 30, wherein said light detector detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 45
Dependent Claim
69 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; optical means for guiding the light beam deflected by said deflector in a predetermined direction; and light receiving means for receiving the light beam guided in said predetermined direction by said optical means, said light receiving means being mounted on a circuit board of said light source unit.
Claim 46
Dependent Claim
69 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; optical means for guiding the light beam deflected by said deflector in a predetermined direction; and light receiving means for receiving the light beam guided in said predetermined direction by said optical means, said light receiving means being mounted on a circuit board of said light source unit.
Claim 47
Dependent Claim
19 words
An apparatus according to claim 33, wherein said circuit board of said light source unit is a metallic board.
Claim 48
Dependent Claim
27 words
An apparatus according to claim 33, wherein said light receiving means detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 49
Dependent Claim
79 words
A recording apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction; and a light detector for receiving the light beam guided in said predetermined direction by said optical means, said light detector being mounted on a circuit board of said light source unit.
Claim 50
Dependent Claim
79 words
A recording apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam deflected by said deflector in a predetermined direction; and a light detector for receiving the light beam guided in said predetermined direction by said optical means, said light detector being mounted on a circuit board of said light source unit.
Claim 51
Dependent Claim
19 words
An apparatus according to claim 36, wherein said circuit board of said light source unit is a metallic board.
Claim 52
Dependent Claim
26 words
An apparatus according to claim 36, wherein said light detector detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 53
Dependent Claim
64 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; optical means for guiding the light beam from said light source unit in a predetermined direction, said optical means being mounted on a circuit board of said light source unit; and light receiving means for receiving the light beam deflected by said deflector.
Claim 54
Dependent Claim
64 words
An optical scanning apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; optical means for guiding the light beam from said light source unit in a predetermined direction, said optical means being mounted on a circuit board of said light source unit; and light receiving means for receiving the light beam deflected by said deflector.
Claim 55
Independent Claim
19 words
An apparatus according to claims 39, wherein said circuit board of said light source unit is a metallic board.
Claim 56
Dependent Claim
27 words
An apparatus according to claim 39, wherein said light receiving means detects a synchronous signal for determining a timing for starting modulation of said light source unit.
Claim 57
Dependent Claim
75 words
A recording apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam from said light source unit in a predetermined direction, said optical means being mounted on a circuit board of said light source unit; and a light detector for receiving the light beam deflected by said deflector.
Claim 58
Dependent Claim
75 words
A recording apparatus comprising: a light source unit; a deflector for deflecting a light beam from said light source unit; a recording medium for receiving the light beam deflected by said deflector; optical means for guiding the light beam from said light source unit in a predetermined direction, said optical means being mounted on a circuit board of said light source unit; and a light detector for receiving the light beam deflected by said deflector.
Claim 59
Dependent Claim
19 words
An apparatus according to claim 42, wherein said circuit board of said light source unit is a metallic board.
Claim 60
Dependent Claim
26 words
An apparatus according to claim 42, wherein said light detector detects a synchronous signal for determining a timing for starting modulation of said light source unit.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-12-25 | 1999-06-26 | 1999-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-12-25 | 2003-06-26 | 2003-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-12-25 | 2007-06-26 | 2007-12-26 | $7700.00 | Window Closed / Lapsed |