Abstract: An object of the present invention is to provide an apparatus and a method for injecting assuredly a given amount of a coloring agent to an outer surface of an electric wire and coloring it. An apparatus for coloring an electric wire 1 includes coloring nozzles 31. The coloring nozzles 31 each has a solenoid valve 51 to inject or stop injection of a coloring agent to an outer surface 3a of an electric wire by opening or closing the solenoid valve. A spike voltage is applied to a coil 40 of the solenoid valve 51 when the coloring agent is injected. The spike voltage is a voltage applied to the coil 40 which is necessary to open the solenoid valve 51. The spike voltage is applied to the coil 40 to open the solenoid valve 51 and stopped after a given period of time.

Abstract: A coloring apparatus for coloring an electric wire colors the wire spouts a liquid coloring agent, including a coloring material and a solvent, toward an outer surface of the wire with a specific amount thereof at a time. The coloring apparatus includes a coloring agent supply source for receiving the coloring agent, a coloring nozzle and a heater. The coloring nozzle spouts the coloring agent of the coloring agent supply source. The heater includes a heating bath and a hot air inlet. The heating bath receives the coloring nozzle. The heating bath allows the coloring nozzle to spout the coloring agent. The hot air inlet supplies hot air into the heating bath to heat the coloring agent supply source. The heater heats the coloring agent to a range lower than a boiling point of the solvent by the hot air inlet supplying the hot air into the heating bath.

Abstract: A coloring apparatus 1 includes a coloring nozzle 31 for spouting a coloring material, a signal generator 53, and a controller 19. The coloring nozzle 31 includes an electromagnetic valve 51. The signal generator 53 outputs signals for spouting the coloring material from the coloring nozzle 31 to both a CPU 62 of the controller 19 and a driving circuit 64. The CPU 62 outputs a signal for keeping the electromagnetic valve 51 open to the driving circuit 64 when a frequency of the signals from the signal generator 53 is higher than a specific frequency. When at least one of the signals from the CPU 62 and the signal generator 53 is inputted, the driving circuit 64 applies a spike voltage A and then applies a hold voltage B to a coil 40. While at least one of the signals from the CPU 62 and the signal generator 53 is inputted, the driving circuit 64 applies a spike voltage A and then continuously applies a hold voltage B to a coil 40.

Abstract: A coloring apparatus 1 includes a coloring nozzle 31 for spouting a coloring material, a signal generator 53, and a controller 19. The coloring nozzle 31 includes an electromagnetic valve 51. The signal generator 53 outputs signals for spouting the coloring material from the coloring nozzle 31 to both a CPU 62 of the controller 19 and a driving circuit 64. The CPU 62 outputs a signal for keeping the electromagnetic valve 51 open to the driving circuit 64 when a frequency of the signals from the signal generator 53 is higher than a specific frequency. When at least one of the signals from the CPU 62 and the signal generator 53 is inputted, the driving circuit 64 applies a spike voltage A and then applies a hold voltage B to a coil 40. While at least one of the signals from the CPU 62 and the signal generator 53 is inputted, the driving circuit 64 applies a spike voltage A and then continuously applies a hold voltage B to a coil 40.

Abstract: An object of the present invention is to provide an apparatus and a method for injecting assuredly a given amount of a coloring agent to an outer surface of an electric wire and coloring it. An apparatus for coloring an electric wire 1 includes coloring nozzles 31. The coloring nozzles 31 each has a solenoid valve 51 to inject or stop injection of a coloring agent to an outer surface 3a of an electric wire by opening or closing the solenoid valve. A spike voltage is applied to a coil 40 of the solenoid valve 51 when the coloring agent is injected. The spike voltage is a voltage applied to the coil 40 which is necessary to open the solenoid valve 51. The spike voltage is applied to the coil 40 to open the solenoid valve 51 and stopped after a given period of time.

Abstract: A nozzle for coloring an electric wire, by which the coloring agent can be securely spouted with a specific amount thereof per spouting toward a desired position on an outer surface of the electric wire, is provided. The nozzle 31 for coloring an electric wire spouts a liquid coloring agent with a specific amount thereof per spouting toward the outer surface of the wire so as to color the wire. The nozzle 31 includes cylindrical first and second nozzle members 37, 50 for allowing the coloring agent to flow therethrough in a direction of an arrow Q. The first and second nozzle members 37, 50 are connected coaxially to each other. The second nozzle member 50 is disposed nearer to the wire than the first nozzle member 37 is disposed. An inner diameter d of the second nozzle member 50 is smaller than an inner diameter D of the first nozzle member 37.

Abstract: The apparatus for coloring a wire includes a plurality of coloring nozzles, each of which spouts a liquid coloring agent toward an outer surface of a wire with a specific amount thereof per spouting so as to allow the liquid drop of the coloring agent to adhere to the outer surface of the wire, thereby coloring the wire. The coloring agent adheres on the outer surface of the wire so as to form a spot. Each coloring nozzle includes an insert member for receiving the coloring agent therein and a nozzle member that communicates with the insert member. The length of the nozzle member is different from each other. The apparatus selects one coloring nozzle from a plurality of the coloring nozzles in response to the size of the spot to be formed on the outer surface of the wire and spouts the coloring agent.

Abstract: The apparatus for coloring a wire includes a plurality of coloring nozzles, each of which spouts a liquid coloring agent toward an outer surface of a wire with a specific amount thereof per spouting so as to allow the liquid drop of the coloring agent to adhere to the outer surface of the wire, thereby coloring the wire. The coloring agent adheres on the outer surface of the wire so as to form a spot. Each coloring nozzle includes an insert member for receiving the coloring agent therein and a nozzle member that communicates with the insert member. The length of the nozzle member is different from each other. The apparatus selects one coloring nozzle from a plurality of the coloring nozzles in response to the size of the spot to be formed on the outer surface of the wire and spouts the coloring agent.

Abstract: A coloring apparatus for coloring an electric wire colors the wire spouts a liquid coloring agent, including a coloring material and a solvent, toward an outer surface of the wire with a specific amount thereof at a time. The coloring apparatus includes a coloring agent supply source for receiving the coloring agent, a coloring nozzle and a heater. The coloring nozzle spouts the coloring agent of the coloring agent supply source. The heater includes a heating bath and a hot air inlet. The heating bath receives the coloring nozzle. The heating bath allows the coloring nozzle to spout the coloring agent. The hot air inlet supplies hot air into the heating bath to heat the coloring agent supply source. The heater heats the coloring agent to a range lower than a boiling point of the solvent by the hot air inlet supplying the hot air into the heating bath.

Abstract: A driver for an active matrix type liquid crystal display device includes a CMOS transfer switch group capable of arbitrarily selecting a drive reference voltage, a CMOS transfer switch for transferring a drive reference voltage selected by the CMOS transfer switch group to a driver output terminal, and an operational amplifier connected in the form of a voltage follower. The liquid crystal driver output voltage quickly reaches an arbitrarily selected drive reference voltage, and a stable voltage coinciding with the reference voltage can be applied to the liquid crystal display device.