DETECCION DE LA TEMPERATURA DE UNA CABEZA DE IMPRESION EN UNA IMPRESORA POR CHORRO DE TINTA.

    公开(公告)号:MX9605850A

    公开(公告)日:1997-06-28

    申请号:MX9605850

    申请日:1996-11-26

    Applicant: XEROX CORP

    Abstract: La invencion describe un sistema de deteccion de la temperatura el cual proporciona una señal digital representativa de la temperatura de una cabeza de impresion por chorro de tinta durante un período de tiempo predeterminado. En una modalidad, un oscilador controlado por temperatura es formado sobre la cabeza de impresion, el oscilador incluye un resistor cuya resistencia varía en forma proporcional con las variaciones de temperatura de la cabeza de impresion. Una señal analogica desde el resistor, representativa de la temperatura de la cabeza de impresion es convertida por el oscilador en una señal de salida digital cuya frecuencia varía con las variaciones en el resistor y, por lo tanto, con la temperatura de la cabeza de impresion. Las salidas del oscilador son contadas en un contador eléctrico durante un período de muestreo. El conteo acumulado es convertido en un codigo que representa la temperatura de la cabeza de impresion. Este byte esta disponible para comparacion con los valores predeterminados almacenados en una tabla de consulta y es convertido en señales de imagen eléctrica enviadas a la cabeza de impresion, las cuales son ajustadas y compensan los cambios en el volumen de la tinta expulsada por las boquillas de la cabeza de impresion.

    PROGRAMMABLE CIRCUIT WITH PREVIEW FUNCTION

    公开(公告)号:CA2345570C

    公开(公告)日:2003-12-30

    申请号:CA2345570

    申请日:2001-04-27

    Applicant: XEROX CORP

    Abstract: A programmable circuit and method of programming that provide an easily fabricated circuit that does not require specialize manufacturing or packagi ng techniques. The circuit provides for temporarily setting the circuit outputs which can then be used for testing. The circuit also provides for permanently setting the output by applying sufficient voltage and current to the transistor that permanent spiking of the metallized contact layer through the junction occurs.

    6.
    发明专利
    未知

    公开(公告)号:BR0102189A

    公开(公告)日:2001-12-26

    申请号:BR0102189

    申请日:2001-04-30

    Applicant: XEROX CORP

    Abstract: A programmable circuit and method of programming that provide an easily fabricated circuit that does not require specialize manufacturing or packaging techniques. The circuit provides for temporarily setting the circuit outputs which can then be used for testing. The circuit also provides for permanently setting the output by applying sufficient voltage and current to the transistor that permanent spiking of the metallized contact layer through the junction occurs.

    7.
    发明专利
    未知

    公开(公告)号:DE60118458T2

    公开(公告)日:2006-08-24

    申请号:DE60118458

    申请日:2001-04-27

    Applicant: XEROX CORP

    Abstract: A programmable circuit and method of programming that provide an easily fabricated circuit that does not require specialize manufacturing or packaging techniques. The circuit provides for temporarily setting the circuit outputs which can then be used for testing. The circuit also provides for permanently setting the output by applying sufficient voltage and current to the transistor that permanent spiking of the metallized contact layer through the junction occurs.

    8.
    发明专利
    未知

    公开(公告)号:DE60118458D1

    公开(公告)日:2006-05-18

    申请号:DE60118458

    申请日:2001-04-27

    Applicant: XEROX CORP

    Abstract: A programmable circuit and method of programming that provide an easily fabricated circuit that does not require specialize manufacturing or packaging techniques. The circuit provides for temporarily setting the circuit outputs which can then be used for testing. The circuit also provides for permanently setting the output by applying sufficient voltage and current to the transistor that permanent spiking of the metallized contact layer through the junction occurs.

    PROGRAMMABLE CIRCUIT WITH PREVIEW FUNCTION

    公开(公告)号:CA2345570A1

    公开(公告)日:2001-11-01

    申请号:CA2345570

    申请日:2001-04-27

    Applicant: XEROX CORP

    Abstract: A programmable circuit and method of programming that provide an easily fabricated circuit that does not require specialize manufacturing or packagi ng techniques. The circuit provides for temporarily setting the circuit outputs which can then be used for testing. The circuit also provides for permanently setting the output by applying sufficient voltage and current to the transistor that permanent spiking of the metallized contact layer through the junction occurs.

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