Cordless movable apparatus using optical spatial tranceivers

Details Cordless movable apparatus using optical spatial tranceivers Cordless movable apparatus using optical spatial tranceivers

1994-05-16

1996-04-09

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

25022711, 29740, G02B 2700

Patent

active

055064108

ABSTRACT:
A cordless movable apparatus includes a stage having a slide surface, a movable head for moving on the slide surface of the stage and holding a processing device, a movable head driving device for driving the movable head, and optical spatial transceivers for projecting and receiving light therebetween along an optical axis parallel to the direction of movement of the movable head so as to conduct signal transmission in a cordless manner. One of the transceivers is provided on the movable head and is electrically connected to the processing device. The other of the transceivers is provided on the stage and is electrically connected to an external device.

REFERENCES:
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patent: 4738025 (1988-04-01), Arnold
patent: 4973216 (1990-11-01), Domm
patent: 4979290 (1990-12-01), Chiba
patent: 4980971 (1991-01-01), Bartschat et al.
patent: 5084962 (1992-02-01), Takashashi et al.
patent: 5096353 (1992-03-01), Tesh et al.
patent: 5172468 (1992-12-01), Tanaka et al.
patent: 5233745 (1993-08-01), Morita
patent: 5396078 (1995-03-01), Klaus et al.

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