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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7404915 | Electromagnetic wave shielding material, method of manufacturing the same and electromagnetic wave shielding material for plasma display panel An objective is to provide an electromagnetic wave shielding material exhibiting an excellent electromagnetic wave shielding property, and also to provide a manufacturing method with quick and simple processing, in which a thin-line-state picture image can easily be... | 07/29/2008 |
| 7267895 | Magnetic tape and method for manufacturing the same A method for manufacturing a magnetic tape includes the steps of feeding a broad magnetic tape including a broad support formed with a magnetic recording layer on one side thereof and a back coat layer on the other surface thereof to a portion between a disk-like up... | 09/11/2007 |
| 7208237 | Magnetic recording medium The present invention provides a magnetic recording medium comprising a thin film magnetic layer of thickness in a range from 0.03 to 0.30 μm, and having excellent surface smoothness and superior electromagnetic conversion characteristics. The magnetic recording me... | 04/24/2007 |
| 7045228 | Magnetic tape A magnetic tape comprising: a coating layer containing ferromagnetic powder and a binder; a support; and a back layer, in this order, which satisfies the following conditions (1) to (3): (1) on a cut plane of the tape, an apex of a biggest convexity of the support d... | 05/16/2006 |
| 6653001 | Magnetic tape having specific meandering features Provided is a thin magnetic tape with good tracking and very little output variation in VTRs. The magnetic tape comprises a flexible support, a magnetic layer provided on one side of said flexible support and a backcoat layer provided on the reverse side ... | 11/25/2003 |
| 6653000 | Magnetic recording medium comprising a specific azo dye Provided is a magnetic recording medium that is employed to particular advantage as an external recording medium for the recording of digital data, having a layer in which carbon black is well dispersed, and in particular, a backcoat layer. A magnetic rec... | 11/25/2003 |
| 6630256 | Magnetic recording medium comprising a non-magnetic layer having inorganic particles of specific size and distribution Provided is a magnetic recording medium with a total thickness equal to or less than 8 μm having good electromagnetic characteristics and good repeat running durability in which the dropping of powder onto the running path and tape edge deformation are p... | 10/07/2003 |
