US Patent: 3,924,336
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| Measuring Instrument
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Patentee:
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| Kiyoshi Inoue (exact or similar names) - Tokyo, Japan |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 22, 1974 |
| Granted: |
Dec. 09, 1975 |
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Joel Havens
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Description: |
| Karl F. Ross - patent attorney
Abstract
A measuring instrument comprising body member having a first surface and a second surface movable relatively to said first surface, an electro-optical display mounted on said body member for displaying a distance between said surfaces measured in numeric form, a transducer responsive to the relative movement between said surfaces for producing pulses representative of the distance travelled in said relative movement, and a large-scale integrated circuit mounted on said body member, said integrated circuit including at least a portion of said transducer, an up-down counter coupled to said transducer for receiving the output pulses thereof and a decoder driver coupling the output of said up-down counter to said electro-optical display for digitally signalling said distance measured.
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