| Patent Number |
Title Of Patent |
Date Issued |
| 7372553 |
Apparatus and method for detecting defect in optical fiber, and plastic optical fiber manufactur |
May 13, 2008 |
| While a plastic optical fiber (POF) strand is guided by guide pulleys toward a winding machine, an internal defect in the POF strand is detected by a defect detection apparatus. The defect detection apparatus includes at least one light illumination device, at least one imaging devic |
| 6381409 |
Method of disassembling lens-fitted photo film unit and disassembling apparatus therefor |
April 30, 2002 |
| A method and apparatus for disassembling a used lens-fitted photo film unit whose unit body consists of a body base portion, front and rear cover sections removably engaged with the body base portion and with each other, and a label placed around the unit body. Access holes provided thro |
| 6343185 |
Lens cleaning apparatus and method and recycling apparatus and method for lens-fitted photo film |
January 29, 2002 |
| A taking lens of a used lens-fitted photo film unit is cleaned according to sequential steps for recycling. A cleaning head is caused to press a loosened cleaning tape against the taking lens. While the cleaning tape is pressed against the taking lens, the cleaning head is moved, to wipe |
| 5754892 |
Lens-fitted photo film unit with slot for checking shutter operation |
May 19, 1998 |
| A lens-fitted photo film unit containing photo film having a pair of perforations per frame along through a limited length of frame recording portion available for photographing frames. The photo film is previously drawn from a cassette shell, its trailing end secured to a spool of the |
| 5669016 |
Lens-fitted photo film unit and method of producing the same |
September 16, 1997 |
| A lens-fitted photo film unit has a housing (2), in which a photo film roll chamber and a cassette containing chamber (8, 70) are formed. A cassette incorporates a port shutter (14) rotatable between a closed position of closing a photo film passage port and an open position of opening t |
