International Business Machines Corporation

Upali Bandara

Holger Hinkel

Werner Steiner

Gerhard Elsner

Karlheinz Mohr

Gerhard Trippel

Burn Lewin Lewis

Siegfried Kunzmann

Werner Zapka

Volker Heinrich

Artur Lang

Gerald Moese

Arved Brunsch

Erwin Prinz

Directly contactable disk for vertical magnetic data storage

Method and apparatus for adapting the language model's size in a speech

The invention concerns a computer system for speech recognition with a word table and a triphone table in its memory. In response to a new word not contained in the word table and which is encountered by the computer system during recognition of an unknown spoken text, the fenemic baseform of this new word may be synthetically produced with the aid of a triphone table. For this purpose, the new word is decomposed into triphones, and the fenemic sequences associated with the individual triphones are read from the triphone table. The fenemic sequences are concatenated according to the phonetic baseform of the new word such that the fenemic baseform of the new word is obtained.

Computer system for speech recognition

Method for measuring the properties of a slider/disk interface in a magnetic disk storage apparatus by measuring a triboelectric current flowing between disk and slider. Rotational speed is adjusted between 100 and 500 rpm so as to obtain a frictional contact between disk and slider. The shape of the tribo current curve obtained during the measuring time interval is analyzed. An early maximum of the tribo current amplitude and a subsequent continual decay indicates a good slider/disk interface and a long lifetime.

System for testing magnetic head/disk interfaces

The magnetic disk contains on a disk substrate a magnetic layer comprising a binder, magnetic particles and abrasion-resistant particles, the abrasion-resistant particles being enveloped with a layer intensifying the bond between binder and abrasion-resistant particles. The enveloping layer either has a large specific surface and consists e.g. of SiO.sub.2 /Al.sub.2 O.sub.3 produced by processing the particles with an alkali metal silicate solution and an aluminum sulphate solution, or it is chemically bonded to the binder by enveloping the particles with poly(tetrafluroethylene) and coupling the latter, via an amino bridge to the binder, e.g. an epoxide resin.

Magnetic disk and method of making same

The frictional coefficient and triboelectric current that exist between the magnetic-head carrying slider and the surface of a magnetic disk when both are in sliding contact are reduced by an appropriate pre-conditioning. The pre-conditioning comprises running the head-disk assembly for at least several minutes at a low velocity of, e.g. 200 to 400 rpm, in a dry gas atmosphere. By this pre-conditioning the lifetime of lubricated head-disk assemblies is increased.

Method for lowering the frictional coefficient of the magnetic head-disk

Growing community of inventors

Leimen, Germany

Upali Bandara