Ink jet recording apparatus with ambient temperature detecting means for providing a signal to drive control means responsive to a recording-density data signal

Claim 1

An ink jet recording apparatus comprising: ink jet recording means for recording at a recording density determined by discharging an amount of ink corresponding to the magnitude of a driving signal supplied thereto; detecting means for detecting ambient temperature and generating a signal in accordance with the detected temperature; and drive control means for accepting an input signal having a magnitude in accordance with a desired recording density and outputting a driving signal, said drive control means including a plurality of limiters for setting a stepwise plurality of driving signal ranges, wherein one of said limiters is selected in accordance with the signal from said detecting means so as to provide a driving signal range in which said ink jet recording means will perform stable discharge and said selected limiter accepts the input signal and supplies a driving signal to said ink jet recording means in accordance with the input signal when the input signal is within the driving signal range of said selected limiter and supplies a driving signal in the vicinity of a limit of the driving signal range of said selected limiter when the input signal is outside the driving signal range of said selected limiter.