Physical quantity indicating device by a pointer

Details Physical quantity indicating device by a pointer Physical quantity indicating device by a pointer

1985-07-24

1987-09-15

Gruber, Felix D.

Boots, shoes, and leggings

364556, 364418, 368 10, 368 11, 324326, 73 4R, 73290R, 73700, 73753, G01L 1306, G06F 1520

Patent

active

046944109

ABSTRACT:
A device for indicating a physical quantity such as depth in water by means of a pointer moving around a numbered face, using a C-MOS type computer for sampling the physical quantity at regular intervals and calculating the increment between the preceding value and the last value of the physical quantity. A pulse motor drives the pointer as many steps as are required for reaching the position at which the pointer indicates the last value of the physical quantity. The use of a sampling system and a pulse motor renders the device small enough so that it can be incorporated in a wrist watch.

REFERENCES:
patent: 3793511 (1974-02-01), Bela et al.
patent: 4336591 (1982-06-01), Berdzar et al.
patent: 4377847 (1983-03-01), Daniel et al.
patent: 4471450 (1984-09-01), Arnason et al.
patent: 4551664 (1985-11-01), Wong et al.
patent: 4586136 (1986-04-01), Lewis
patent: 4604737 (1986-08-01), Hoffman
patent: 4611923 (1986-09-01), Kawahara

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