Abstract: A light emitting element array includes: a light emitting element group that includes plural light emitting elements; and plural lenses that are provided, corresponding to the plural light emitting elements, on a light emitting surface side of the plural light emitting elements, and that deflects light emitted from the plural light emitting elements according to a positional relation with the plural light emitting elements. Distances between central axes of light emission of the plural light emitting elements and central axes of the plural lenses corresponding to the plural light emitting elements increase from a center side of the light emitting element group toward an end side of the light emitting element group, and a degree of change in the distances decreases from the center side of the light emitting element group toward the end side of the light emitting element group.

Abstract: Various embodiments of the present technology comprise a method and apparatus for a dual mode operational amplifier. According to various embodiments, the operational amplifier functions as both a fully-differential amplifier and a single-ended amplifier. The operational amplifier may comprise additional transistors that function as switches, which can be selectively operated according to a desired mode.

Abstract: Various embodiments of the present technology may provide methods and apparatus for an amplifier integrated circuit. The amplifier integrated circuit may provide two amplifiers, one amplifier set to a low gain bandwidth product to amplify at a higher speed and the other amplifier set to a high gain bandwidth product to amplify at a lower speed. The amplifier integrated circuit may further provide a switching circuit connected to the amplifiers, wherein the switching circuit is responsive to a control signal and operates to selectively activate the high speed amplifier and the low speed amplifier in sequence.

Abstract: Various embodiments of the present technology comprise a method and apparatus for rotation detection of a brushed DC motor. The method and apparatus may detect switching of the commutators and utilize signals indicative of switching to determine speed and/or rotation information of the motor. In one embodiment, the apparatus comprises an ADC, a difference circuit, an absolute value circuit, and a comparator connected in series with each other.

Abstract: Various embodiments of the present technology may provide methods and apparatus for an amplifier integrated circuit. The amplifier integrated circuit may provide two amplifiers, one amplifier set to a low gain bandwidth product to amplify at a higher speed and the other amplifier set to a high gain bandwidth product to amplify at a lower speed. The amplifier integrated circuit may further provide a switching circuit connected to the amplifiers, wherein the switching circuit is responsive to a control signal and operates to selectively activate the high speed amplifier and the low speed amplifier in sequence.

Abstract: Various embodiments of the present technology comprise a method and apparatus for an operational amplifier with a variable gain-bandwidth product. According to various embodiments, an amplifier circuit comprising the operational amplifier operates in multiple stages and provides a low gain-bandwidth and a high gain-bandwidth.

Abstract: Various embodiments of the present technology comprise a method and apparatus for an operational amplifier with a variable gain-bandwidth product. According to various embodiments, an amplifier circuit comprising the operational amplifier operates in multiple stages and provides a low gain-bandwidth and a high gain-bandwidth.

Abstract: Various embodiments of the present technology may provide methods and apparatus for an amplifier integrated circuit. The amplifier integrated circuit may provide a low gain bandwidth product to amplify at a higher speed and a high gain bandwidth product to amplify at a lower speed. The amplifier integrated circuit may achieve the low and high gain bandwidth product by generating a first current and a second current through a plurality of sets of series-connected transistors and operating a plurality of switches.

Abstract: Various embodiments of the present technology comprise a method and apparatus for a dual mode operational amplifier. According to various embodiments, the operational amplifier functions as both a fully-differential amplifier and a single-ended amplifier. The operational amplifier may comprise additional transistors that function as switches, which can be selectively operated according to a desired mode.

Abstract: Various embodiments of the present technology comprise a method and apparatus for rotation detection of a brushed DC motor. The method and apparatus may detect switching of the commutators and utilize signals indicative of switching to determine speed and/or rotation information of the motor. In one embodiment, the apparatus comprises an ADC, a difference circuit, an absolute value circuit, and a comparator connected in series with each other.

Abstract: Various embodiments of the present technology comprise a method and apparatus for rotation detection of a brushed DC motor. The method and apparatus may detect switching of the commutators and utilize signals indicative of switching to determine speed and/or rotation information of the motor. In one embodiment, the apparatus comprises an ADC, a difference circuit, an absolute value circuit, and a comparator connected in series with each other.

Abstract: Various embodiments of the present technology may comprise methods and apparatus for an integrated circuit (IC). The methods and apparatus may comprise an integrated circuit comprising a sensor circuit and a driver circuit coupled to the sensor circuit. The driver circuit may include an amplifier configured to generate a bias voltage, a signal converter circuit coupled to the amplifier, and a control circuit coupled to the amplifier. The control circuit may comprise a switch responsive to a control signal and a transistor coupled to the switch.

Abstract: Various embodiments of the present technology may comprise methods and apparatus for an integrated circuit (IC). The methods and apparatus may comprise an integrated circuit comprising a sensor circuit and a driver circuit coupled to the sensor circuit. The driver circuit may include an amplifier configured to generate a bias voltage, a signal converter circuit coupled to the amplifier, and a control circuit coupled to the amplifier. The control circuit may comprise a switch responsive to a control signal and a transistor coupled to the switch.

Abstract: In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode followed by an open loop run mode, and may be configured to control the linear vibration motor to stop vibrating using an anti-drive signal wherein the frequency is adjusted to be near to an estimated value of the natural frequency of the linear vibration motor.

Abstract: In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode or an open loop run mode, and may be configured to control the linear vibration motor to stop vibrating using an anti-drive signal wherein the frequency is adjusted to be near to an estimated value of the natural frequency of the linear vibration motor.

Abstract: A drive signal generating unit generates a drive signal used to alternately deliver a positive current and a negative current to a coil. A driver unit generates the drive current in response to the drive signal generated by the drive signal generating unit and supplies the drive current to the coil. After the drive termination of a linear vibration motor, the drive signal generating unit generates a drive signal whose phase is opposite to the phase of the drive signal generated during the motor running. The driver unit quickens the stop of the linear vibration motor by supplying to the coil the drive current of opposite phase according to the drive signal of opposite phase.

Abstract: In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode followed by an open loop run mode, and may be configured to control the linear vibration motor to stop vibrating using an anti-drive signal wherein the frequency is adjusted to be near to an estimated value of the natural frequency of the linear vibration motor.

Abstract: A driving circuit for a single-phase-brushless motor and a method that includes a driving-signal-generating circuit configured to generate a driving signal for supplying, to a driving coil of the single-phase brushless motor, an output circuit coupled to the driving signal generating circuit; and an induced voltage zero-cross detecting circuit having a plurality of inputs and an output, a first input coupled to the driving signal generating circuit and configured to detect a zero cross of an induced voltage in response to operation in the de-energized period.

Abstract: In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode followed by an open loop run mode, and may be configured to control the linear vibration motor to stop vibrating using an anti-drive signal wherein the frequency is adjusted to be near to an estimated value of the natural frequency of the linear vibration motor.

Abstract: In one embodiment, a control circuit for a linear vibration motor may be configured to drive the linear vibration motor to vibrate using a closed loop run mode followed by an open loop run mode, and may be configured to control the linear vibration motor to stop vibrating using an anti-drive signal wherein the frequency is adjusted to be near to an estimated value of the natural frequency of the linear vibration motor.