US4846596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion electronic equipment
Assignee: Canon Inc
•
Filing: 1988-09-27
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Granted: 1989-07-11
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Expires: 2008-09-27
Abstract
Abstract An expansion electronic equipment adapted to be attached to a main electronic equipment comprises locking means fixed to one end of the expansion electronic equipment and adapted to be locked by the main electronic equipment, opening means formed at the other end of the expansion electronic unit spaced from the one end, and fixing means having a head of a larger diameter than a diameter of the opening means and a flange of a larger diameter than the diameter of the opening means. The fixing means fixes the expansion electronic equipment to the main electronic equipment by engaging to the opening means by the head and the flange.
Inventors
- 👤 Noriaki Haranishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; B; B41; B41J; B41J5/00; B41J5/30; B41J5/44; G06K; G06K15/00; G06K15/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
297 words
An expansion electronic equipment for mounting an auxiliary unit for use with a main electronic equipment, comprising: locking means fixed to one end of said expansion electronic equipment and adapted to be locked by said main electronic equipment; a unit holding rest provided on a side adjacent said locking means at the one end of said expansion electronic equipment for holding said auxiliary unit to be used with said main electronic equipment; shield means having a fitting hole at one end thereof and a connecting portion, including an engaging groove, at the other end thereof for shielding the auxiliary unit and adapted to be attached to said main electronic equipment; an engaging projection provided on a side adjacent said unit holding rest at the one end of said expansion electronic equipment for fitting to said hole of said shield means; a cutaway portion formed at the other end of said expansion electronic equipment spaced from said one end; fixing means having a head, a cylindrical portion, and a flange of a smaller diameter than the diameter of said cutaway portion, said fixing means being arranged for fixing said expansion electronic equipment to said main electronic equipment by engaging said cutaway portion; and holding means formed at the other end of said expansion electronic equipment on a side opposite said cutaway portion and having a unit holding stand including a top surface thereof for holding said auxiliary unit, a guide hole for said fixing means and a slit for receiving said shield means therein with said cylindrical portion of said fixing means received in said engaging groove of said shield means, for holding said fixing means to prevent said fixing means from being dislodged from said cutaway portion when said fixing means is engaged with said cutaway portion.
Claim 2
Dependent Claim
297 words
An expansion electronic equipment for mounting an auxiliary unit for use with a main electronic equipment, comprising: locking means fixed to one end of said expansion electronic equipment and adapted to be locked by said main electronic equipment; a unit holding rest provided on a side adjacent said locking means at the one end of said expansion electronic equipment for holding said auxiliary unit to be used with said main electronic equipment; shield means having a fitting hole at one end thereof and a connecting portion, including an engaging groove, at the other end thereof for shielding the auxiliary unit and adapted to be attached to said main electronic equipment; an engaging projection provided on a side adjacent said unit holding rest at the one end of said expansion electronic equipment for fitting to said hole of said shield means; a cutaway portion formed at the other end of said expansion electronic equipment spaced from said one end; fixing means having a head, a cylindrical portion, and a flange of a smaller diameter than the diameter of said cutaway portion, said fixing means being arranged for fixing said expansion electronic equipment to said main electronic equipment by engaging said cutaway portion; and holding means formed at the other end of said expansion electronic equipment on a side opposite said cutaway portion and having a unit holding stand including a top surface thereof for holding said auxiliary unit, a guide hole for said fixing means and a slit for receiving said shield means therein with said cylindrical portion of said fixing means received in said engaging groove of said shield means, for holding said fixing means to prevent said fixing means from being dislodged from said cutaway portion when said fixing means is engaged with said cutaway portion.
Claim 3
Dependent Claim
15 words
An expansion electronic equipment according to claim 1 wherein said fixing means is a screw.
Claim 4
Dependent Claim
18 words
An expansion electronic equipment according to claim 1 wherein said auxiliary unit is a ROM containing a dictionary.
Claim 5
Dependent Claim
187 words
An electronic equipment comprising: main electronic equipment means; shield means for shielding an auxiliary unit in an expansion electronic equipment adapted to be attached to said main electronic equipment means; an engaging groove formed in said shield means; main shield means for shielding said main electronic equipment means, said main shield means being unable to physically contact said shield means; fixing means for fixing said expansion electronic equipment to said main electronic equipment means and electrically connecting said shield means to said main shield means; a cutaway portion formed at one end of said expansion electronic equipment; and holding means formed at the one end of said electronic equipment on a side opposite to said cutaway portion and having a unit holding stand including a top surface thereof for holding said auxiliary unit, a guide hole for said fixing means and a slit for receiving said shield means therein with a portion of said fixing means received in said engaging groove, for holding said fixing means to prevent detachment of said fixing means from said cutaway portion when said fixing means is engaged with said cutaway portion.
Claim 6
Dependent Claim
187 words
An electronic equipment comprising: main electronic equipment means; shield means for shielding an auxiliary unit in an expansion electronic equipment adapted to be attached to said main electronic equipment means; an engaging groove formed in said shield means; main shield means for shielding said main electronic equipment means, said main shield means being unable to physically contact said shield means; fixing means for fixing said expansion electronic equipment to said main electronic equipment means and electrically connecting said shield means to said main shield means; a cutaway portion formed at one end of said expansion electronic equipment; and holding means formed at the one end of said electronic equipment on a side opposite to said cutaway portion and having a unit holding stand including a top surface thereof for holding said auxiliary unit, a guide hole for said fixing means and a slit for receiving said shield means therein with a portion of said fixing means received in said engaging groove, for holding said fixing means to prevent detachment of said fixing means from said cutaway portion when said fixing means is engaged with said cutaway portion.
Claim 7
Dependent Claim
14 words
An electronic equipment according to claim 4 wherein said main shield means is grounded.
Claim 8
Dependent Claim
14 words
An electronic equipment according to claim 4 wherein said fixing means is a screw.
Claim 9
Dependent Claim
14 words
An electronic equipment according to claim 4 wherein said auxiliary unit includes a ROM.
Claim 10
Dependent Claim
31 words
An electronic equipment according to claim 4 wherein said expansion electronic equipment has a case covering an external periphery thereof, said case having shield fixing means for fixing said shield means.
Claim 11
Dependent Claim
275 words
An electronic equipment removably attachable to a main electronic equipment, said electronic equipment comprising: locking means fixed to one end of said electronic equipment and adapted to be locked by said main electronic equipment; a unit holding rest provided on a side adjacent said locking means at the one end of said electronic equipment for holding an auxiliary unit; shield means having a fitting hole at one end thereof and a connecting portion, including an engaging groove, at the other end thereof for shielding said auxiliary unit adapted to be attached to said main electronic equipment; an engaging projection provided on a side adjacent said unit holding rest at the one end of said electronic equipment for fitting to said fitting hole of said shield means; a screw hole formed at the other end of said electronic equipment spaced from said one end; a screw inserted into said screw hole in said electronic equipment, said screw having a head, a shank and a flange, said head, shank and flange being of a smaller diameter than the diameter of said screw hole; and a block-shaped member formed at the other end of said electronic equipment on a side opposite to said screw hole and having a top surface thereof for holding said auxiliary unit, a guide hole of diameter larger than the diameter of each of said shank, and flange of said screw and a slit for receiving said shield means therein, said shield means being fitted at a portion of said screw between said head and said flange so that said screw is confined loosely within said guide hole to prevent loss of said screw.
Claim 12
Dependent Claim
275 words
An electronic equipment removably attachable to a main electronic equipment, said electronic equipment comprising: locking means fixed to one end of said electronic equipment and adapted to be locked by said main electronic equipment; a unit holding rest provided on a side adjacent said locking means at the one end of said electronic equipment for holding an auxiliary unit; shield means having a fitting hole at one end thereof and a connecting portion, including an engaging groove, at the other end thereof for shielding said auxiliary unit adapted to be attached to said main electronic equipment; an engaging projection provided on a side adjacent said unit holding rest at the one end of said electronic equipment for fitting to said fitting hole of said shield means; a screw hole formed at the other end of said electronic equipment spaced from said one end; a screw inserted into said screw hole in said electronic equipment, said screw having a head, a shank and a flange, said head, shank and flange being of a smaller diameter than the diameter of said screw hole; and a block-shaped member formed at the other end of said electronic equipment on a side opposite to said screw hole and having a top surface thereof for holding said auxiliary unit, a guide hole of diameter larger than the diameter of each of said shank, and flange of said screw and a slit for receiving said shield means therein, said shield means being fitted at a portion of said screw between said head and said flange so that said screw is confined loosely within said guide hole to prevent loss of said screw.
Claim 13
Dependent Claim
26 words
An electronic equipment according to claim 9, wherein said shield means comprises a shield member for said auxiliary unit and is formed from electrically conductive material.
Claim 14
Dependent Claim
24 words
An electronic equipment according to claim 9, wherein said screw comprises fixing means for detachably fixing said electronic equipment to said main electronic equipment.
Claim 15
Dependent Claim
164 words
An electronic equipment removably attachable to a main electronic equipment comprising: a hole formed in said electronic equipment; a screw having a head, a flange and a shank, the of diameter of each of which is smaller than that of said hole; a plate-shaped member having a cutaway portion of diameter larger than that of said shank but of diameter smaller than the diameter of each of said head and flange of said screw and being insertable from a lateral side of said hole where when said screw is fit to said hole; and holding means formed on a side opposite said hole and having a top surface thereof for holding said auxiliary unit, a guide hole for said screw and a slit for receiving said plate-shaped member therein, for holding said plate-shaped member in the insertion direction of said plate-shaped member and holding said screw to prevent said screw from being dislodged from said hole when said screw is engaged with said hole.
Claim 16
Dependent Claim
164 words
An electronic equipment removably attachable to a main electronic equipment comprising: a hole formed in said electronic equipment; a screw having a head, a flange and a shank, the of diameter of each of which is smaller than that of said hole; a plate-shaped member having a cutaway portion of diameter larger than that of said shank but of diameter smaller than the diameter of each of said head and flange of said screw and being insertable from a lateral side of said hole where when said screw is fit to said hole; and holding means formed on a side opposite said hole and having a top surface thereof for holding said auxiliary unit, a guide hole for said screw and a slit for receiving said plate-shaped member therein, for holding said plate-shaped member in the insertion direction of said plate-shaped member and holding said screw to prevent said screw from being dislodged from said hole when said screw is engaged with said hole.
Claim 17
Dependent Claim
19 words
An electronic equipment according to claim 12, wherein said plate-shaped member comprises a shield plate of said electronic equipment.
Claim 18
Dependent Claim
26 words
An electronic equipment according to claim 13, wherein said screw comprises connecting means for connecting said shield plate to a shield of said main electronic equipment.
References Cited (Backward Citations)
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Cited
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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) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |