Strip printer专利检索-寻址电极显示技术专利检索查询-专利查询网

Strip printer

阅读：153发布：2023-09-08

专利汇可以提供Strip printer专利检索，专利查询，专利分析的服务。并且A strip printer wherein an electrosensitive strip is reeled past plural, vertically aligned electrodes by means of a capstan-pinch roller combination, the capstan being driven by a constant speed motor on a continuous basis. A solenoid is coupled to the pinch roller for selective actuation causing the pinch roller to engage the strip for gripping the strip by the pinch roller and the capstan. A read only memory has character input, column addressing input and data output lines for providing sequentially data groups in the data output lines in response to signals at the character input and in further response to sequential column addressing input signals, provided by an addressing counter. The data lines are connected to the electrodes for control of electric energization thereof in response to output signals on the data lines. A constant frequency oscillator provides oscillations to the counter at a particular phase in relation to an enabling input signal, derived from a print command input, and sustained for the duration of solenoid energization so that a particular plurality of data columns in the memory are addressed in sequence and at a constant rate, for causing energization signals to be applied to the electrodes at said rate.，下面是Strip printer专利的具体信息内容。

权利要求

1. A strip printer wherein an electrosensitive strip is reeled past plural, vertically aligned electrodes, comprising in combination: a capstan-pinch roller combination for reeling the strip past the electrodes; a constant speed motor driving the capstan on a continuous basis; solenoid means coupled to the pinch roller for selective actuation of the pinch roller for engagement of the strip by the pinch roller and the capstan; a read only memory having character input, column addressing input and data output lines for providing sequentially data groups in the data output lines in response to signals at the character input and in further response to sequential column addressing input signals; first circuit means connected to the data lines and connected respectively to the electrodes for control of electric energization thereof in response to output signals on the data lines; an addressing counter connected to the column addressing inputs of the memory for providing thereto the column addressing signals; constant frequency oscillator means for providing oscillations to the counter at a particular phase in relation to an enabling input signal and for the duration of the enabling signal, so that a particular plurality of data columns in the memory are addressed in sequence and at a constant rate for causing energization signals to be applied to the electrodes at said rate; and second circuit means connected for receiving a print command signal for providing the oscillator enabling signal in response thereto and in timed relation to energization of the solenoid.

2. A strip printer as in claim 1, wherein the pinch roller is journalled in a pivotable cradle, the solenoid having a plunger for pivoting the cradle for the pinch roller to engage the strip in radial alignment with the capstan.

3. A strip printer as in claim 2, wherein the constant speed motor is a synchronous motor.

4. A strip printer as in claim 2, wherein the strip is reeled from a non-driven supply reel, the cradle being freely pivotable, unbiased, except upon engagement by the plunger in response to energization of the solenoid.

5. A strip printer as in claim 1, wherein the capstan has a knurled periphery and is maintained at ground potential, to apply ground potential to the strip.

6. A strip printer as in claim 1, the oscillator being normally at rest and started by the second circuit means at a particular phase in response to a print command signal.

7. A strip printer as in claim 6, and including additional circuit means connected to the counter for disabling the oscillator and the solenoid in response to a particular count state of the counter.

8. A strip printer as in claim 1, wherein the second circuit means include a flip-flop that is set in response to a print command signal accompanying the providing of character input signals for the memory, said flip-flop being reset in response to a particular count state of the counter, the oscillator being enabled and the solenoid being energized for the duration of the set state of the flip-flop.

9. A strip printer as in claim 1, wherEin the strip is run along and in engagement with a grounded platen.

10. A strip printer as in claim 1, wherein ground potential is applied to the strip from both sides.

11. A strip printer as in claim 1, including an additional sensing electrode juxtaposed to said vertically aligned electrodes for sensing the presence of the strip adjacent said vertically aligned electrodes and providing a disabling signal to the first circuit means when the strip is not in contact with said sensing electrode.

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