Patent · US Expired

Actuator apparatus utilizing a shape-memory alloy

US4987314A · kind A · utility

74Cited by
4References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 1990
Grant dateJan 22, 1991
Priority date
Expiry dateMay 11, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B1/0058
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An actuator apparatus includes a plurality of actuators each having a shape-memory alloy, a power supply line unit for supplying power to the actuators, power supply control unit connected in series with at least one of the actuators, and a driving unit for driving the power supply control unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.