Patent US4479134A successfully refreshed from Google Patents.
US4479134A
Expired / Lapsed
US
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Electronic device having a thermal ink jet recorder
Assignee: Canon Inc
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Filing: 1982-06-18
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Granted: 1984-10-23
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Expires: 2002-06-18
Abstract
Abstract An electronic device provided with recording unit in which thermal energy is made to act on a fine solution compartment, the liquid in orifice section is pushed out by the air bubbles generated, keyboard, arithmetic and logical unit, memory unit, control unit, and power supply, in which arithmetic operation or control is made based on the command from the keyboard to record numerics, characters, symbols, etc. on recording paper, and based on the command from said keyboard, said control circuit selects the number of times of liquid discharge.
Inventors
- 👤 Tsuyoshi Kawanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:30
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/045; B41J2/04501; B41J2/04541; B41J2/04543; B41J2/0458; B41J2/485; B41J2/505; B41J2/515
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
101 words
An electronic device for a dot printer, comprising: a single recording element for recording character-like dot patterns on a recording medium; a character generator for supplying character information to said recording element; and control means responsive to first and second input signals for controlling the number of outputs from said character generator for a given recording position, wherein at a given recording position there is a single output from said character generator when said control means responds to the first input signal and there are plural outputs from said character generator when said character generator responds to the second input signal.
Claim 2
Dependent Claim
101 words
An electronic device for a dot printer, comprising: a single recording element for recording character-like dot patterns on a recording medium; a character generator for supplying character information to said recording element; and control means responsive to first and second input signals for controlling the number of outputs from said character generator for a given recording position, wherein at a given recording position there is a single output from said character generator when said control means responds to the first input signal and there are plural outputs from said character generator when said character generator responds to the second input signal.
Claim 3
Dependent Claim
14 words
An electronic device according to claim 1, wherein said recording element includes a heater.
Claim 4
Dependent Claim
57 words
An electronic device according to claim 1, wherein said control means includes an AND gate having a first input coupled to the output of said character generator and a second input for receiving a control signal in accordance with the selected one of said first and second input signals, and an output coupled to said recording element.
Claim 5
Dependent Claim
20 words
An electronic device according to claim 1, wherein said first and second input signals are selected by key input means.
References Cited (Backward Citations)
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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) | 1987-10-23 | 1988-04-23 | 1988-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-23 | 1992-04-23 | 1992-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-23 | 1996-04-23 | 1996-10-23 | $7700.00 | Window Closed / Lapsed |