Optics: image projectors – Selective data retrieval
Patent
1989-03-17
1990-08-14
Cuchlinski, Jr., William A.
Optics: image projectors
Selective data retrieval
353 26A, 353122, 352 8, 352123, G03B 2314
Patent
active
049491067
ABSTRACT:
A microfilm searching and reading device for selectively taking out a cartridge containing a target image from one or more microfilm cartridge stacks. The device comprises a framework defining at least one storing space extending substantially vertically for storing a stack of cartridges in a manner such that the cartridges are stacked one above another, a scanner for receiving a selected microfilm cartridge and having an image reader and an actuator for winding and rewinding the microfilm, a carrier for taking out the selected cartridge and for guiding the same to the scanner, and a restoring mechanism for putting the selected cartridge, after the target image has been read by the microfilm reader, in the lowermost or uppermost position of the storing space. The device further comprises a memory for storing the location of the restored cartridge, and a controller for controlling the carrier, the scanner and the restoring mechanism. The device of the invention is small in size and capable of searching and taking out a desired microfilm cartridge within a short access time. Also, the device can be readily adapted for change in system scale.
REFERENCES:
patent: 3164059 (1965-01-01), Turpentine
patent: 3480354 (1969-11-01), Fukuda
patent: 3588243 (1971-06-01), Osawa et al.
patent: 4025176 (1977-05-01), Lopata
patent: 4113366 (1978-09-01), Grover
patent: 4353642 (1982-10-01), Weigert
patent: 4755046 (1988-07-01), Hirose et al.
Cuchlinski Jr. William A.
Fuji Photo Film Co. , Ltd.
Scanlon Patrick R.
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