Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1990-01-16
1991-04-23
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
369112, H01J 314, H01J 516, G11B 700
Patent
active
050102460
ABSTRACT:
An optical head apparatus applicable to an optical disc apparatus comprises, a case body having an open surface and a window through which an opto-electronic component can be positioned and housing optical components inside it, a lid being attachable and detachable with respect to the open surface of the case body, and a flexible printed circuit board having a base portion which is adhered to the lid and on which electronic components are mounted and a protruding portion protruding from the base portion and having an opto-electronic component fixed to the distal end portion of it, the opto-electronic component being electrically connected with an electronic circuit which is formed by the electronic components, the distal end portion of the protruding portion of the flexible printed circuit board being fixed to the case body so that the opto-electronic component is position to the window.
REFERENCES:
patent: 4687924 (1987-08-01), Galvin et al.
patent: 4760568 (1988-07-01), Hine
patent: 4868820 (1989-09-01), Nagashima et al.
patent: 4935911 (1990-06-01), Ohuchida et al.
patent: 4937808 (1990-06-01), Shimada et al.
Morita Tsutomu
Noda Yasushi
Shimozawa Kenji
Tsuyuguchi Hiroshi
Allen Stephone B.
Nelms David C.
Teac Corporation
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