Method for stimulating the finger of an operator acting on a sta

Details Method for stimulating the finger of an operator acting on a sta Method for stimulating the finger of an operator acting on a sta

1990-09-21

1993-02-23

Ng, Jin F.

Communications: electrical

Tactual indication

With input means

341 22, 341 27, H03K 1794

Patent

active

051893908

ABSTRACT:
A method and device for stimulating the finger of an operator acting on a static keyboard, which method consists in making at least part of the keyboard mobile on which the finger of the user bears at least partially when it actuates a key, detecting at least one component of the force exerted by the finger on the keyboard during such actuation and causing a pre-established movement of the mobile part of the keyboard when the value of this component exceeds or has exceeded a threshold value.

REFERENCES:
patent: 4362408 (1982-12-01), Cordes et al.
IBM Technical Disclosure Bulletin, vol. 22, No. 6, "One-Hand Tactile Data Transmitter" (Nov. 1979).
IBM Technical Disclosure Bulletin, vol. 24, No. 5, "Provision of Movement and Sound in Capacitance Switch and Diaphragm Switch Keyboards" (Oct. 1981).
IBM Technical Disclosure Bulletin, vol. 24, No. 10, "Key With Electrical Tactile Feedback" (Mar. 1982).

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