Readout device for numeral display unit专利检索-真值表电子零件及设备专利检索查询-专利查询网

Readout device for numeral display unit

阅读：43发布：2022-01-01

专利汇可以提供Readout device for numeral display unit专利检索，专利查询，专利分析的服务。并且A readout device for a numeral display unit, such as a digital clock, of the type having a rotary numeral wheel with a plurality of numerals indicated thereon at successive positions angularly displaced with respect to the axis thereof is provided. The readout device is further provided with a plurality of switching means disposed about the wheel in a pattern encoded according to a given truth table. Switch means activated by said switching means are also provided for detecting the pattern and producing an electrical signal in response to the detection.，下面是Readout device for numeral display unit专利的具体信息内容。

权利要求

1. In a numerical display device of the type comprising at least one rotary wheel adapted to rotate during discrete time periods having a plurality of numerals disposed in successive angular positions about the wheel periphery and adapted to provide selective indication of a numeral, said indication being determined by the rotational position of the wheel periphery with regard to a fixed reference, the improvement comprising: a plurality of switching means equal in number to said numerals affixed about said wheel periphery in a pattern encoded to said numerals according to a given truth table, said switching means being adapted to rotate with said wheel and disposed in identical successive angular positions about the wheel peRiphery; a multiplicity of switch means fixed relative to the rotational axis of said wheel and positioned so that at least some of said switch means are successively operatively coupled to at least some of said switching means for detecting said pattern; readout means connected to said switch means, said readout means providing indication of the particular switch means operated by said switching means at any particular time; and, means to inhibit said readout means during said periods of rotation.

2. The display device in accordance with claim 1 wherein said switching means comprise magnetic members and said switch means include magnetic detecting elements fixed along the path of rotation of said wheels adjacent said switching means.

3. The display device in accordance with claim 2 wherein said inhibiting means comprises a magnetic member extending between each of said successive angular positions, a reed switch fixed adjacent the path of rotation of said wheel and magnetic coupling with said inhibiting magnetic member, and circuit means extending between said last referenced reed switch and said readout means.

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Readout device for numeral display unit

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