Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1988-03-07
1989-10-24
Hartary, Joseph W.
Recorders
Markers and/or driving means therefor
With ink supply to marker
346 76PH, G01D 1516, B41J 304
Patent
active
048765597
ABSTRACT:
A recording apparatus comprises a keyboard to input data; a data processor to process the input data; an print unit to output the processed data; and a power supply circuit for supplying a power source to the apparatus and generating a signal to reset the print permission signal generator. The output unit includes recording heads to perform dot recording; a signal generator to generate a control signal and output signals to be selectively supplied to each head; a print permission signal generator which has a differentiating circuit to differentiate the control signal and generates a print permission signal; and a signal line to give the print permission signal to one end each of a plurality of resistors, the other end of each of which is connected to a recording head. Thus, the output signals supplied to the recording heads are pulled up, causing the respective heads to create a dot on a recording medium, only when the print permission signal is present. Each head includes a thermal energy generator for allowing thermal energy to act on liquid to produce a bubble for forming a flying liquid droplet deposited on the recording medium.
REFERENCES:
patent: 4353079 (1982-10-01), Kawanabe
patent: 4370666 (1983-01-01), Noda
patent: 4623899 (1986-11-01), Sakakibara
patent: 4639747 (1987-01-01), Sakurada
patent: 4649400 (1987-03-01), Naruki
Canon Kabushiki Kaisha
Hartary Joseph W.
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