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Class Information
Number: 720/744
Name: Dynamic optical information storage or retrieval > Optical storage medium structure > Disk cartridge > Shutter member > Shutter material
Description: Subject matter wherein the shutter member is made of a particular material.

Patents under this class:

Patent Number Title Of Patent Date Issued
7920940 Portable data storage cartridge comprising a first information storage medium and a second information storage medium Apr. 5, 2011
7681212 Photosensitive recording medium cartridge Mar. 16, 2010
6816340 Disk cartridge Nov. 9, 2004
6577592 Disc cartridge Jun. 10, 2003
6542459 Cartridge and manufacturing method thereof Apr. 1, 2003
6512736 Disk cartridge with shutter sections and shutter cover Jan. 28, 2003
6510131 Data storage disk cartridge including a shutter assembly with a stress relief mechanism Jan. 21, 2003
6501729 Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter Dec. 31, 2002
6487166 Disc cartridge Nov. 26, 2002
6477137 Shutter for disk cartridge and method for producing same Nov. 5, 2002
5963537 Method of interchangeably using two disc cartridges with two different types of shutters Oct. 5, 1999
5912870 Disk drive unit having improved shutter mechanism Jun. 15, 1999
5889639 Plain carbon steel shutter for removable data storage cartridges Mar. 30, 1999
5835318 Disk cartridge with shutter and stock roll therefor Nov. 10, 1998
5570341 Method of assembling disk cartridge with one-piece plastic molded door Oct. 29, 1996
5527606 Disk cassette shutter Jun. 18, 1996
5512111 Aluminum alloy material for shutter of recording medium cassette, process for producing the same, and aluminum alloy shutter made of the same Apr. 30, 1996
5293294 Shutter for disk-based memory medium housing and method of fabrication Mar. 8, 1994
5276675 Optical disk cartridge assembly Jan. 4, 1994
5226035 Disk cartridge having a shutter with an antistatic coating Jul. 6, 1993
5161081 Disk cartridge made by injecting molten synthetic resin into a mold so that flash lines, weld lines and burn marks do not occur Nov. 3, 1992
5121380 Disc cartridge shutter Jun. 9, 1992
4908726 Disk cartride having an improved shutter Mar. 13, 1990

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