Abstract: The present invention relates to a control arrangement 10. The control arrangement 10 comprises computer apparatus 12, 18 storing a control function which controls computer software in dependence on control data received by the control function from a manually or voice operated user interface. The control arrangement also comprises a camera 14 providing image data to the computer apparatus 12, 18 in dependence on at least one image acquired by the camera. The computer apparatus 12, 18 recognises a facial expression in image data received from the camera 14 when the camera acquires an image of a face. The computer apparatus 12, 18 also operates the control function in dependence on the recognised facial expression, whereby the computer software is controlled by the facial expression instead of by operation of the manually or voice operated user interface.

Abstract: The present invention relates to control apparatus. The control apparatus 10 comprises a resiliently deformable body 12 which defines a narrow hole 22 configured to receive lengthwise or widthwise a mobile device 14 and to hold the mobile device snugly when so received. The mobile device 14 comprises a magnetic field sensor 24. The control apparatus further comprises a magnetic field emitting device 20 disposed in or on the resiliently deformable body 12 whereby, in use, the magnetic field emitting device moves relative to the narrow hole 22 and hence the magnetic field sensor 24 of the mobile device upon deformation of the resiliently deformable body.