US4746936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink jet pen
Assignee: Canon Inc
•
Filing: 1987-06-15
•
Granted: 1988-05-24
•
Expires: 2007-06-15
Abstract
Abstract An ink jet pen, which is a pen-like writing utensil utilizing an ink jet method of recording, comprises a tubular casing, incorporating means for ink emission and equipped with means for controlling ink emission. In a representative embodiment, the tubular casing is composed of two tubes which are mutually rotatable for controlling the ink emission.
Inventors
- 👤 Hiroshi Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:51
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/22; B41; B41J; B41J3/00; B41J3/28; B41J3/36; B43K8/006; G; G01; G01D; G01D15/00; G01D15/16; G01D15/18
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
115 words
An ink jet pen, comprising: a pen-shaped case; an ink emission means housed within a portion of said case; an ink emission control means for controlling said ink emission means housed within said case, wherein said ink emission control means stores a plurality of ink emission patterns and includes an ink emission pattern switch for selecting one of said ink emission patterns; a switch means provided on the outer surface of said case, said switch means being connected to the ink emission control means for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 2
Dependent Claim
115 words
An ink jet pen, comprising: a pen-shaped case; an ink emission means housed within a portion of said case; an ink emission control means for controlling said ink emission means housed within said case, wherein said ink emission control means stores a plurality of ink emission patterns and includes an ink emission pattern switch for selecting one of said ink emission patterns; a switch means provided on the outer surface of said case, said switch means being connected to the ink emission control means for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 3
Dependent Claim
30 words
The ink jet pen according to claim 1, wherein said ink emission pattern switch is rotatable, whereby said ink emission patterns are selected by rotating a part of said case.
Claim 4
Dependent Claim
16 words
The ink jet pen according to claim 1, wherein said power source means includes a battery.
Claim 5
Dependent Claim
26 words
An ink jet pen according to claim 1, wherein said ink emission control means is provided on an outer surface of said portion of said case.
Claim 6
Dependent Claim
120 words
An ink jet pen, comprising: a pen-shaped case; an ink emission means housed within said case, said ink emission means being a piezoelectric device; an ink emission control means for controlling said ink emission means housed within said case, wherein said ink emission control means stores a plurality of ink emission patterns and includes an ink emission pattern switch for selecting one of said ink emission patterns; a switch means provided on the outer surface of said case, said switch means being connected to the ink emission control means for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 7
Dependent Claim
120 words
An ink jet pen, comprising: a pen-shaped case; an ink emission means housed within said case, said ink emission means being a piezoelectric device; an ink emission control means for controlling said ink emission means housed within said case, wherein said ink emission control means stores a plurality of ink emission patterns and includes an ink emission pattern switch for selecting one of said ink emission patterns; a switch means provided on the outer surface of said case, said switch means being connected to the ink emission control means for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 8
Dependent Claim
25 words
An ink jet pen according to claim 5, wherein said ink emission patterns include a continuous ink emission pattern and an intermittent ink emission pattern.
Claim 9
Dependent Claim
80 words
An ink jet pen, comprising: a pen shaped case having at least two mutually rotatable sections; an ink emission means housed within said case; an ink emission control means housed within said case for controlling said ink emission means to emit ink in one of a plurality of ink emission patterns; and an ink emission pattern switch for selecting one of said ink emission patterns by rotation of one section of said case relative to another section of said case.
Claim 10
Dependent Claim
80 words
An ink jet pen, comprising: a pen shaped case having at least two mutually rotatable sections; an ink emission means housed within said case; an ink emission control means housed within said case for controlling said ink emission means to emit ink in one of a plurality of ink emission patterns; and an ink emission pattern switch for selecting one of said ink emission patterns by rotation of one section of said case relative to another section of said case.
Claim 11
Dependent Claim
22 words
The ink jet pen according to claim 5, further comprising switch means for instructing said ink emission control means to emit ink.
Claim 12
Dependent Claim
25 words
The ink jet pen according to claim 5, wherein said ink emission patterns include a continuous ink emission pattern and an intermittent ink emission pattern.
Claim 13
Dependent Claim
22 words
The ink jet pen according to claim 5, further comprising a battery housed within said case for powering said ink emission means.
Claim 14
Dependent Claim
92 words
An ink jet pen, comprising: a pen-shaped case defining a longitudinal axis; an ink emission means housed within a portion of said case; an ink emission control means housed within said case for controlling said ink emission means; radially engageable switch means extending from an outer surface of said portion of said case and activated by a radially inward movement thereof for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 15
Dependent Claim
92 words
An ink jet pen, comprising: a pen-shaped case defining a longitudinal axis; an ink emission means housed within a portion of said case; an ink emission control means housed within said case for controlling said ink emission means; radially engageable switch means extending from an outer surface of said portion of said case and activated by a radially inward movement thereof for instructing said ink emission means to emit ink; and power source means housed within said case for supplying power to said ink emission means and said ink emission control means.
Claim 16
Dependent Claim
46 words
An ink jet pen according to claim 11, wherein said ink emission control means stores a plurality of ink emission patterns and said ink jet pen further comprises a selection switch for selecting one of the ink emission patterns stored by said ink emission control means.
Claim 17
Dependent Claim
17 words
An ink jet pen according to claim 11, wherein said ink emission means comprises a piezoelectric device.
References Cited (Backward Citations)
US4028540A
Cited
US4065775A
Cited
US4168533A
Cited
US4025928A
Cited
US4377741A
Cited
US4399488A
Cited
US4412232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-24 | 1991-11-23 | 1992-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-24 | 1995-11-23 | 1996-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-24 | 1999-11-23 | 2000-05-24 | $7700.00 | Window Closed / Lapsed |