Length measuring apparatus

Details Length measuring apparatus Length measuring apparatus

1989-06-28

1991-06-25

Teska, Kevin J.

Boots, shoes, and leggings

33773, G01B 1102, G06F 700

Patent

active

050272969

ABSTRACT:
A length-measuring apparatus is provided with memory for storing scale reduction data of a map and for storing unit data of length. Actual distance is calculated by calculation circuit when a rotating member is moved to roll along a point-to-point course on the map. Distance data expressed in unit corresponding to the above unit data of length is obtained. A plurality of distance data obtained by the above calculation circuit can be stored in memory together with the unit data of length and also can be displayed on display by operation of the display switch.

REFERENCES:
patent: 3918163 (1975-11-01), Keating
patent: 3999298 (1976-12-01), Nishimura
patent: 4176397 (1979-11-01), Crom et al.
patent: 4181959 (1980-01-01), Tateishi
patent: 4216530 (1980-08-01), Yamaki et al.
patent: 4263657 (1981-04-01), Oka et al.
patent: 4383301 (1983-05-01), Morita et al.
patent: 4675676 (1987-06-01), Takanabe et al.
patent: 4914831 (1990-04-01), Kanezashi et al.

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