Deflection factor indicating apparatus专利检索-倍增极电子零件及设备专利检索查询-专利查询网

Deflection factor indicating apparatus

阅读：132发布：2023-04-03

专利汇可以提供Deflection factor indicating apparatus专利检索，专利查询，专利分析的服务。并且A switch apparatus is described including a rotary switch operated by a knob having a movable dial flange with display characters thereon at switch positions corresponding to different multiplying factors provided for the output signal of an electrical circuit controlled by such switch. A pair of fixed light sources mounted at two different readout positions beneath the flange are selectively energized by an external multiplier switch to illuminate only one of the factors at such readout positions in accordance with the operation of such multiplier switch. The rotary switch and multiplier switch may be connected to change the gain of a vertical amplifier or to change the sweep speed of a horizontal ramp generator in a cathode ray oscilloscope so that the illuminated character display on the knob dial automatically indicates the proper deflection factors of such oscilloscope.，下面是Deflection factor indicating apparatus专利的具体信息内容。

权利要求

1. Deflection factor indicating apparatus comprising: switch means including a knob for changing the connections in an electrical circuit to provide different multiplying factors which vary the amplitude or time characteristics of the output signal of said circuit, by movement of the knob between different switch positions corresponding to said factors; indicator means moved by said knob and having display characters thereon for indicating said factors at said switch positions of said knob; illumination means including two light sources located at two different readout positions adjacent said indicator means for illuminating only the display characters of one factor at each of said readout positions; and control means for selectively energizing said two light sources in accordance with the operation of an external factor multiplier means separate from said switch means, for changing the selected factor from that set by said switch means independent of movement of said knob.

2. Apparatus in accordance with claim 1 in which the switch means is a rotary switch and the indicator means is a dial flange extending radially outward from said knob which rotates with said knob.

3. Apparatus in accordance with claim 2 in which the display characters are provided in light transparent areas on said flange.

4. Apparatus in accordance with claim 1 in which the display characters are light transparent and said light sources project light through the selected characters in said readout positions.

5. Apparatus in accordance with claim 4 in which the illumination means includes a light opaque mask member mounted between said characters and said light sources, said mask member having a pair of apertures therethrough in alignment with only the characters at said two readout positions.

6. Apparatus in accordance with claim 1 in which the electrical circuit is the vertical amplifier of a cathode ray oscilloscope and the factor is the vertical deflector amplitude factor.

7. Apparatus in accordance with claim 6 in which the external multiplier means is an electrical probe means connected to the input of the vertical amplifier for changing the gain of the output signal of said amplifier.

8. Apparatus in accordance with claim 1 in which the electrical circuit in the horizontal ramp generator of a cathode ray oscilloscope and the factor is the horizontal deflection time factor.

9. Apparatus in accordance with claim 8 in which the external multiplier means is a sweep magnifier switch means connected to the ramp generator for changing the slope of the leading edge of the ramp output signal of said generator.

10. Apparatus in accordance with claim 1 in which the light sources are a pair of light bulbs each connected to an external multiplier switch means for selectively energizing said light bulbs one at a time in different positions of said external switch means.

11. switch apparatus comprising: switch means including knob means for changing the setting of said switch means by movement of said knob means between a plurality of different switch positions; indicator means moved by said knob means and having display characters thereon for indicating the settings of said switch means at said switch positions of said knob means; and illumination means including spaced light source means mounted adjacent said indicator means with one of said light source means illuminating one of said display characters at a selected switch position while the other of said light source means is non-illuminated and the other of said light source means illuminating another of said display characters at the selected switch position by control means separate from said switch means while the said one of said light source means is non-illuminated independent of movement of said knob means.

12. Apparatus in accordance with claim 11 in which the switch means is a rotary switch and the indicator means is a dial flange extending radially outward from said knob means which rotates the knob.

13. Apparatus in accordance with claim 12 in which the display characters are light transparent and the light source means projects light through the selected characters.

14. Apparatus in accordance with claim 12 in which the illumination means includes a light opaque mask member mounted between said light source means and said flange with an aperture therethrough in alignment with said light source means and said selected characters.

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Deflection factor indicating apparatus

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