Recording medium built-in cartridge and cartridge built-in package
US7522381B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Jun 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/107
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording medium built-in cartridge of the present invention includes: a case; a recording medium housed in the case; and at least one humidity control member disposed in the case and including at least one humidity control material that absorbs moisture in the case when a humidity in the case is a first humidity or higher and emits the moisture to the case when the humidity in the case is a second humidity or lower, the second humidity being lower than the first humidity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.