Provided is an image pickup device that enables distortion compensation with high precision. The power supply control circuit monitors the drive voltage, stops the power supply circuit and stops supplying the drive voltage when the drive voltage is greater than or equal to a prescribed constant voltage, and activates the power supply circuit and supplies the drive voltage when the drive voltage is less than the prescribed constant voltage. The controller also selects among plural alternative sets of control values that could obtain the desired output state, so as to minimize other error conditions. A determination is made regarding whether a face is present in a video image of the customer. Polynucleotides encoding GPI-122 are also provided. Therefore, the number of elements is decreased, and strength against bending stress, impact resistance and heat dissipation are improved.