Navigation system data recordable by user, recording medium ther

Details Navigation system data recordable by user, recording medium ther Navigation system data recordable by user, recording medium ther

1995-04-17

1996-07-09

Zanelli, Michael

Boots, shoes, and leggings

340995, 3692753, G06F16500, G11B 1304

Patent

active

055351255

ABSTRACT:
In a composite disc having a read-only area and a recordable area, user data corresponding to a map information which has been preliminarily recorded in a read-only area, is recorded to the recordable area, so that the user data corresponding to the map information can be written on the magneto-optical disc. Thereby, there can be realized a navigation system in which a large volume of user data can be reserved without a provision of a back-up power source and easiness in use is markedly improved.

REFERENCES:
patent: 4571684 (1986-02-01), Takanabe et al.
patent: 4954959 (1990-09-01), Moroto et al.
patent: 5142521 (1992-08-01), Terashima et al.
patent: 5291462 (1994-03-01), Richards
patent: 5317549 (1994-05-01), Maeda et al.

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