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US5398100A Expired / Lapsed US ⏱️ 0.0 years remaining

Image recording apparatus operable with a vertical scan synchronization signal

Assignee: Canon Inc
•
Filing: 1993-06-29
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Granted: 1995-03-14
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Expires: 2013-06-29
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Abstract

Abstract An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device comprises a unit for sending out to the external device a signal indicating a status to accept the vertical synchronization signal, and switching device for switching between a plurality of operation modes related to an elapsed time from the send-out of the signal by the signal sending unit.

Inventors

  • 👤 Masanori Ishizu
  • 👤 Toshihiko Inuyama
  • 👤 Takeji Gima
  • 👤 Hiroshi Hashimoto
  • 👤 Hiromichi Yamanaka
  • 👤 Soya Endo
  • 👤 Toshiyuki Itoh
  • 👤 Hitoshi Machino
  • 👤 Tomohiro Nakamori

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:37
CPC Classifications
G; G06; G06K; G06K15/00

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 110 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; and switching means for switching between a plurality of operation modes related to an elapsed time from the send-out of the signal by said signal sending means, wherein when the vertical synchronization signal is not supplied and the elapsed time exceeds a predetermined time, the plurality of operation modes includes a mode in which a print enable status is released and a mode in which the print enable status is not released.
Claim 2
Dependent Claim 110 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; and switching means for switching between a plurality of operation modes related to an elapsed time from the send-out of the signal by said signal sending means, wherein when the vertical synchronization signal is not supplied and the elapsed time exceeds a predetermined time, the plurality of operation modes includes a mode in which a print enable status is released and a mode in which the print enable status is not released.
Claim 3
Dependent Claim 22 words
An image recording apparatus according to claim 1, wherein said switching means comprises a switch to switch the plurality of operation modes.
Claim 4
Dependent Claim 22 words
An image recording apparatus according to claim 1, wherein said switching means comprises a potentiometer for switching the plurality of operation modes.
Claim 5
Dependent Claim 29 words
An image recording apparatus according to claim 1, further comprising input means for inputting a command signal to command the switching by said switching means from said external device.
Claim 6
Dependent Claim 23 words
An image recording apparatus according to claim 1, further comprising informing means for informing the plurality of operation modes to said external device.
Claim 7
Dependent Claim 21 words
An image recording apparatus according to claim 1, wherein said switching means is capable of setting at least one elapsed time.
Claim 8
Dependent Claim 13 words
An image recording apparatus according to claim 1, further comprising said external device.
Claim 9
Dependent Claim 25 words
An image recording apparatus according to claim 7, wherein said external device comprises means for converting code data from a host computer into image data.
Claim 10
Dependent Claim 23 words
An image recording apparatus according to claim 8, wherein said external device comprises a plurality of interface means each interfacing the host computer.
Claim 11
Dependent Claim 130 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; selection means for selecting one of a plurality of operation modes related to an elapsed time from the send-out of the signal by said signal sending means; and input means for receiving a command signal for commanding the selection of one of the plurality of operation modes, wherein when the vertical synchronization signal is not supplied and the elapsed time exceeds a predetermined time, the plurality of operation modes includes a mode in which a print enable status is released, and a mode in which the print enable status is not released.
Claim 12
Dependent Claim 130 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; selection means for selecting one of a plurality of operation modes related to an elapsed time from the send-out of the signal by said signal sending means; and input means for receiving a command signal for commanding the selection of one of the plurality of operation modes, wherein when the vertical synchronization signal is not supplied and the elapsed time exceeds a predetermined time, the plurality of operation modes includes a mode in which a print enable status is released, and a mode in which the print enable status is not released.
Claim 13
Dependent Claim 20 words
An image recording apparatus according to claim 10, further comprising a switch for manually switching the plurality of operation modes.
Claim 14
Dependent Claim 21 words
An image recording apparatus according to claim 11, wherein said switch comprises a potentiometer for switching the plurality of operation modes.
Claim 15
Dependent Claim 20 words
An image recording apparatus according to claim 11, wherein said switch is capable of setting at least one elapsed time.
Claim 16
Dependent Claim 23 words
An image recording apparatus according to claim 10, further comprising informing means for informing the plurality of operation modes to said external device.
Claim 17
Dependent Claim 13 words
An image recording apparatus according to claim 10, further comprising said external device.
Claim 18
Dependent Claim 25 words
An image recording apparatus according to claim 15, wherein said external device comprises means for converting code data from a host computer into image data.
Claim 19
Dependent Claim 23 words
An image recording apparatus according to claim 16, wherein said external device comprises a plurality of interface means each interfacing the host computer.
Claim 20
Dependent Claim 87 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; means for releasing a print enable status when the vertical synchronization signal is not supplied and a predetermined time has elapsed after said sending means sends the signal; and switching means for switching and setting the predetermined time on the basis of a command signal from said external device.
Claim 21
Dependent Claim 87 words
An image recording apparatus operated in synchronism with a vertical synchronization signal from an external device, said apparatus comprising: means for sending out to said external device a signal indicating a status to accept the vertical synchronization signal; means for releasing a print enable status when the vertical synchronization signal is not supplied and a predetermined time has elapsed after said sending means sends the signal; and switching means for switching and setting the predetermined time on the basis of a command signal from said external device.
Claim 22
Dependent Claim 16 words
An image recording apparatus according to claim 18, wherein said switching means comprises a manual switch.
Claim 23
Dependent Claim 15 words
An image recording apparatus according to claim 18, wherein said switching means comprises a potentiometer.
Claim 24
Dependent Claim 29 words
An image recording apparatus according to claim 18, further comprising input means for inputting the command signal to command the switching by said switching means from said external device.
Claim 25
Dependent Claim 13 words
An image recording apparatus according to claim 21, further comprising said external device.
Claim 26
Dependent Claim 25 words
An image recording apparatus according to claim 22, wherein said external device comprises means for converting code data from a host computer into image data.
Claim 27
Dependent Claim 23 words
An image recording apparatus according to claim 23, wherein said external device comprises a plurality of interface means each interfacing the host computer.
Claim 28
Dependent Claim 24 words
An image recording apparatus according to claim 23, wherein said external device outputs said command signal in accordance-with a status of a switching operation.

References Cited (Backward Citations)

JPS58121445A Cited
US5162917A Cited
JPS59223066A Cited
US5140675A Cited
US5093904A Cited
US5142304A Cited
US5047957A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-03-13 1998-09-12 1999-03-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-03-13 2002-09-12 2003-03-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-03-13 2006-09-12 2007-03-14 $7700.00 Window Closed / Lapsed

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