Tactile sensing method and system

Details Tactile sensing method and system Tactile sensing method and system

2006-01-24

2006-01-24

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

C702S103000, C702S066000, C901S046000, C340S665000, C434S113000, C434S114000, C084S734000, C073S861060, C708S005000

Reexamination Certificate

active

06990435

ABSTRACT:
A system for detecting tactile information includes strain-gauge touch sensors and a controller. Based on the sum output from each of tough-sensor sensor units, an analyzer in the controller calculates touch force Fi(t) at each measurement point. An automatic gain control adjusts the voltage amplitude Ai(t) of a sine wave of frequency fiapplied to the sensor units at each measurement point to bring the voltage amplitude measured at each measurement point in line with a target voltage. The adjusted voltage Ai(t) is applied to the bandpass filter with a composite sine wave y(t) which includes sine waves of each frequency corresponding to the adjusted voltage amplitude Ai(t). This makes it possible to reduce the number of lines between the controller and touch sensors that includes numerous measurement points, and enables the gain of the touch sensors constituted by strain gauges to be controlled within an appropriate range.

REFERENCES:
patent: 3736672 (1973-06-01), Skewis et al.
patent: 5588839 (1996-12-01), Shimoda
patent: 5714808 (1998-02-01), Ansel et al.
patent: 6580417 (2003-06-01), Rosenberg et al.
West et al., ‘Detection of Real and Virtual Fine Surface Features with a Haptic Interface and Stylus’, Nov. 1997, ASME, pp. 1-8.
Paradiso et al., ‘Musical Applications of Electric Field Sensing’, Apr. 1996, Computer Muscial Journal, pp. 1-28.
CRC, ‘Chapter 2: Metaphors and Senses’, pp. 56-75.

Affiliated with

Also associated with

Rating

Tactile sensing method and system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tactile sensing method and system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tactile sensing method and system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3577262