G01L1/146

Compliant multi-mode sensing systems and methods

Disclosed embodiments include a multi-mode sensor including an elastomeric strand having a first multi-mode sensing region configured to sense at least two different physical parameters, and a second multi-mode sensing region, space apart from the first multi-mode sensing region, and configured to sense at least two different physical parameters. In some disclosed embodiments the first multi-mode sensing region is configured to measure the physical parameters of angular displacement and strain.

TOUCH SURFACE FUNCTIONALIZED BY A COMBINED FORCE AND PROXIMITY SENSOR
20220412820 · 2022-12-29 ·

The invention relates to a touch surface comprising: a carrier substrate (510, 610) comprising 2 opposite faces (511, 512) one (511) of the faces being exposed to touch; and comprising on the face (512) opposite the face (511) exposed to touch, a combined proximity and force sensor (300) comprising: an insulating substrate (210); —conductive tracks (221, 222) deposited on said substrate (210) and configured to produce a capacitive sensor; a force sensor (230) consisting of an assembly of conductive nanoparticles in colloidal suspension in an electrically insulating ligand; a protective layer (310) covering the conductive tracks and the nanoparticle assembly.

The invention also relates to a method for detecting and measuring the force applied by a touch against such a touch surface.

PERSONAL MONITORING SYSTEM USING E-FIELD COMMUNICATIONS VIA A BODY

A personal monitoring system includes one or more passive biometric sensors and a communication device. A passive biometric sensor is operable to sense a body condition of a body in accordance with a sense signal at a sense frequency to produce sensed data of a body condition. The passive biometric sensor is further operable to transmit an e-field signal via the body regarding the sensed data, wherein the e-field signal is in accordance with an e-field transmit/receive frequency. The communication device is operable to receive the e-field signal via the body. The communication device is further operable to recover the sensed data from the received e-field signal.

Sensor, band, electronic device, and wristwatch-type electronic device
11536619 · 2022-12-27 · ·

A sensor includes: an electrostatic-capacity-type sensor electrode layer having a plurality of sensing units; a reference electrode layer opposed to one main face of the sensor electrode layer; and a deformable layer disposed between the reference electrode layer and the sensor electrode layer, the deformable layer being to deform elastically due to application of pressure. The deformable layer is recessed between the sensing units or discontinuous between the sensing units. The reference electrode layer has a shaped portion between the sensing units.

GRIPPER JAW WITH TACTILE SENSOR AND GRIPPING DEVICE WITH ONE OR MORE SUCH GRIPPER JAWS

A gripper jaw to grip an object, the jaw having a gripping surface with a recess therein, the jaw including: a tactile sensor with a sensor surface and a sensor thickness integrated in the recess in a z-direction, wherein the sensor includes: a base arranged lowermost in the recess, a sensor array arranged on the base with a plurality of taxels being sensitive elements arranged over an area of the base, the taxels configured to detect externally applied forces along the z-direction, wherein each taxel is reversibly deformable, and an elastic layer arranged above and overlapping the array, the layer acting as a mechanical low-pass filter and, in an unloaded state, having a layer thickness, wherein an outwardly facing surface of the layer forms a partial area of the sensor surface, wherein the sensor integrated in the recess projects with the sensor surface beyond the gripping surface in the z-direction.

CAPACITIVE PRESSURE SENSOR
20220397467 · 2022-12-15 · ·

A capacitive pressure sensor is provided. The capacitive pressure sensor comprises a dielectric layer, a light-transmitting first electrode, a second electrode, a display layer and a measuring device. The dielectric layer is made of a foam. The first electrode is disposed on a first surface of the dielectric layer, wherein a pressure is applied to the first electrode. The second electrode is disposed on a second surface of the dielectric layer opposite to the first surface. The second electrode includes a plurality of unit electrodes having a predetermined shape. The display layer is disposed between the first electrode and the dielectric layer or between the second electrode and the dielectric layer. The measuring device is configured to detect a measurement value of a capacitance of the dielectric layer for each unit electrode by causing a potential difference between the first electrode and the second electrode.

CAPACITIVE PRESSURE SENSOR
20220397466 · 2022-12-15 · ·

There is provided a capacitive pressure sensor comprising: a dielectric layer; a first electrode disposed on a first surface of the dielectric layer and to which a pressure is applied; a second electrode disposed on a second surface of the dielectric layer opposite to the first surface and including a plurality of unit electrodes having a predetermined shape; and a measuring device configured to detect a measurement value of a capacitance of the dielectric layer for each unit electrode by causing a potential difference between the first electrode and the second electrode. An electrode area of the unit electrode is determined using an actual measurement data indicating a relationship between a change amount of the measurement value detected for each unit electrode by the measuring device when a pressure is applied to the first electrode and the electrode area of the unit electrode and using a minimum value of the change amount of the measurement value determined by conditions including the number of detection steps of a pressure detected for each unit electrode by the measuring device.

INSOLE XYZ FORCE DETECTION SYSTEM

A low power force detection system includes variable capacitors, a drive sense module, and a processing module. A drive sense circuit of the drive sense module is operable to provide an analog and frequency domain signal to a variable capacitor. The drive sense circuit is further operable to detect a characteristic of the variable capacitor based on the analog and frequency domain signal and to generate a representative signal of the characteristic. The processing module is operable to generate a digital value based on the representative and to write the digital value to memory.

ELECTRODE STRUCTURE AND GRIP SENSOR
20220388562 · 2022-12-08 ·

An electrode structure includes: a base material; a conductive fabric on a first surface of the base material; and one or more conductive wires on a second surface of the base material so as to be electrically insulated from the conductive fabric. The second surface is opposite to the first surface of the base material. The base material includes: a first area and a second area. The first area is fitted into a groove of the rim and the second area is placed in a part of a rim of a steering wheel other than the groove, when the base material is attached to the rim. The one or more conductive wires are arranged at a lower wiring density in the first area than in the second area.

Sensor device for transcapacitive sensing with shielding
11519801 · 2022-12-06 · ·

A silicon sensor device includes a plurality of metal layers and a plurality of dielectric layers. The plurality of metal layers include: a first metal layer comprising a plurality of transmitter electrodes and a plurality of receiver electrodes; a second metal layer disposed beneath the first metal layer, wherein the second metal layer comprises a plurality of routing traces for the plurality of transmitter electrodes; and one or more circuit layers disposed beneath the second metal layer. A respective routing trace for a respective transmitter electrode is configured to shield respective portions of the plurality of receiver electrodes which correspond to a width of the respective transmitter electrode from energy and/or noise originating from the one or more circuit layers. The plurality of metal layers and the plurality of dielectric layers are disposed on a same die.