The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2020
Filed:
Mar. 02, 2018
Applicant:
Suunto Oy, Vantaa, FI;
Inventors:
Tero Koivisto, Turku, FI;
Mikko Pänkäälä, Turku, FI;
Tapani Nevalainen, Turku, FI;
Kati Sairanen, Turku, FI;
Assignee:
Suunto Oy, Vantaa, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); H03F 3/187 (2006.01); H03F 3/45 (2006.01); H03F 3/70 (2006.01); A61B 5/11 (2006.01); H03F 3/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/7225 (2013.01); A61B 5/1107 (2013.01); A61B 5/6823 (2013.01); A61B 5/7257 (2013.01); H03F 3/187 (2013.01); H03F 3/45475 (2013.01); H03F 3/70 (2013.01); A61B 2562/0219 (2013.01); H03F 3/005 (2013.01); H03F 3/45 (2013.01); H03F 2200/03 (2013.01); H03F 2200/261 (2013.01); H03F 2203/45138 (2013.01); H03F 2203/45514 (2013.01); H03F 2203/45548 (2013.01);
Abstract
According to an example aspect of the present invention, there is provided an apparatus comprising two charge amplifiers configured to receive input from an acceleration sensor and to each produce one first output signal, a differential amplifier configured to receive the first output signals and to amplify a difference between the first output signals to produce two second outputs signals.