Abstract: Methods, devices, and systems for optical sensing are provided. In one aspect, an optical sensing apparatus includes: a first absorption region configured to absorb light in at least a first spectrum with visible or near infrared wavelengths; a second absorption region formed over the first absorption region, the second absorption region configured to absorb light in at least a second spectrum with near infrared or shortwave infrared wavelengths; and a third absorption region formed over the second absorption region, the third absorption region configured to absorb light in at least a third spectrum with shortwave infrared or mid-wave infrared wavelengths.

Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device arranged to operably broadcast BLE (Bluetooth Low Energy) audio packets; a first Bluetooth member device arranged to operably parse the BLE audio packets to acquire a predetermined audio data and to operably control a first audio playback circuit to playback the predetermined audio data; a second Bluetooth member device arranged to operably parse the BLE audio packets to acquire the predetermined audio data and to operably control a second audio playback circuit to playback the predetermined audio data; and a host device arranged to operably generate and transmit a target control command to the first and second Bluetooth member devices when the first or second Bluetooth member device receives an alert signal, or when a specific ambient sound occurs in the surrounding environment of the first or second Bluetooth member device.

Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device arranged to operably broadcast BLE (Bluetooth Low Energy) audio packets; a first Bluetooth member device arranged to operably parse the BLE audio packets to acquire a predetermined audio data and to operably control a first audio playback circuit to playback the predetermined audio data; and a second Bluetooth member device arranged to operably parse the BLE audio packets to acquire the predetermined audio data and to operably control a second audio playback circuit to playback the predetermined audio data. When the first or second Bluetooth member device receives an alert signal, or when a specific ambient sound occurs in the surrounding environment of the first or second Bluetooth member device, the audio broadcasting device utilizes a target control command to instruct the first and second Bluetooth member devices to synchronously reduce their volume to be lower than a predetermined threshold.

Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device arranged to operably broadcast BLE (Bluetooth Low Energy) audio packets; a first Bluetooth member device arranged to operably parse the BLE audio packets to acquire a predetermined audio data and to operably control a first audio playback circuit to playback the predetermined audio data; a second Bluetooth member device arranged to operably parse the BLE audio packets to acquire the predetermined audio data and to operably control a second audio playback circuit to playback the predetermined audio data; and a host device arranged to operably generate and transmit a target control command to the first and second Bluetooth member devices when the host device receives an alert signal, or when a specific ambient sound occurs in the surrounding environment of the host device.

Abstract: A method of preparing polylactic acid (PLA) microsphere and polylactic-co-glycolic acid (PLGA) microsphere is provided, including the following steps. A first solution is provided, including polylactic acid or polylactic-co-glycolic acid and an organic solvent. A second solution is provided, including polyvinyl alcohol, sodium carboxymethyl cellulose and an aqueous solution. The first solution is added to the second solution and, at the same time, the second solution is agitated until polylactic acid is solidified to form a plurality of polylactic acid microspheres, or until polylactic-co-glycolic acid is solidified to form a plurality of polylactic-co-glycolic acid microspheres. The polylactic acid microspheres or polylactic-co-glycolic acid microspheres are collected.

Abstract: A Bluetooth voice communication system includes: a Bluetooth host device arranged to operably conduct voice communication with a remote device; a first Bluetooth member device arranged to operably generate a left-channel voice data according to sounds captured by a first sound receiving circuit, and arranged to operably utilize a first Bluetooth communication circuit to transmit the left-channel voice data to the Bluetooth host device; and a second Bluetooth member device arranged to operably generate a right-channel voice data according to sounds captured by a second sound receiving circuit, and arranged to operably utilize a second Bluetooth communication circuit to transmit the right-channel voice data to the Bluetooth host device. The Bluetooth host device generates a stereo voice data based on the left-channel voice data and the right-channel voice data, and utilizes a signal transceiver circuit to transmit the stereo voice data to the remote device.

Abstract: A dynamic correction method for sound reception is adapted for an electronic device. The electronic device includes an audio processor, a microphone signally connected to the audio processor and a sound reception hole corresponding to the microphone. The dynamic correction method for sound reception includes the following steps: the audio processor obtains a first airtight numerical curve according to a numerical difference value between a first frequency response curve and a second frequency response curve to execute a first dynamic correction sound reception program; and the audio processor executes the first dynamic correction sound reception program to obtain an adjusted second frequency response curve.

Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.

Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit an auto-pair request, a first device information corresponding to the first member device, and a second device information corresponding to the second member device to the Bluetooth host device. The Bluetooth host device is arranged to operably receive the auto-pair request, the first device information, and the second device information transmitted from the first member device. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device according to the auto-pair request.

Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit a first device information corresponding to the first member device and a second device information corresponding to the second member device to the Bluetooth host device. The Bluetooth host device is arranged to operably receive the first device information and the second device information transmitted from the first member device. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device after receiving a selection command.

Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.

Abstract: A photodetecting device is provided. The photodetecting device includes a silicon substrate, a germanium absorption region, and a plurality of microstructures. The silicon substrate includes a first surface and a second surface. The germanium absorption region is formed proximal to the first surface of the silicon substrate, and the germanium absorption region is configured to absorb photons and to generate photo-carriers. The plurality of microstructures are formed over the second surface of the silicon substrate, and the plurality of microstructures are configured to direct an optical signal towards the germanium absorption region. A system including an optical transmitter and an optical receiver is also provided.

Abstract: The present disclosure relates generally to processes for preparing a compound useful in the prevention or treatment of a Retroviridae viral infection, including an infection caused by the human immunodeficiency virus (HIV).

Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through the Bluetooth host device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.

Abstract: A method for manufacturing one or more optical sensor packages includes forming a bonded wafer by bonding (i) a device wafer comprising a plurality of optical sensing pixels and (ii) a circuit wafer comprising application-specific-integrated-circuit configured to operate the optical sensing pixels, where the bonded wafer includes a device-wafer surface and a circuit-wafer surface. The method also includes forming a plurality of microlens arrays over the device-wafer surface, where each microlens of the microlens arrays corresponds to a particular optical sensing pixel. The method also includes forming a plurality of module-lens structures over the plurality of microlens arrays, where each module-lens structure corresponds to a particular microlens array of the plurality of microlens arrays. The method also includes forming electrical contacts over the circuit-wafer surface to establish electrical connections to the plurality of optical sensing pixels and the application-specific-integrated-circuit.

Abstract: A Bluetooth audio broadcasting system includes: an audio broadcasting device, a first Bluetooth member device, and a second Bluetooth member device. The audio broadcasting device broadcasts BLE audio packets and transmits a predetermined volume instruction to the first Bluetooth member device and the second Bluetooth member device before broadcasting the BLE audio packets. The first Bluetooth member device parses the BLE audio packets to acquire a predetermined audio data, controls a first audio playback circuit to playback the predetermined audio data, and configures an audio volume of the first audio playback circuit in advance according to the predetermined volume instruction. The second Bluetooth member device parses the BLE audio packets to acquire the predetermined audio data, controls a second audio playback circuit to playback the predetermined audio data, and configures an audio volume of the second audio playback circuit in advance according to the predetermined volume instruction.

Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode wherein uplink audio signal transmission is allowed, and the connections are carried out by isochronous streaming channels respectively. The first member device transmits captured voice data to the Bluetooth host device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through direct wireless connection, so that the first member device and the second member device can carry out subsequent voice input handover procedures.

Abstract: A Bluetooth audio system includes: an audio playback device arranged to operably generate and transmit Bluetooth audio transmission parameters; a first audio generating device arranged to operably capture sound to generate first audio packets, to operably receive the Bluetooth audio transmission parameters without conducting Bluetooth pairing with the audio playback device, and to operably broadcast the first audio packets through BIS logical transport; and a second audio generating device arranged to operably capture sound to generate second audio packets, to operably receive the Bluetooth audio transmission parameters without conducting Bluetooth pairing with the audio playback device, and to operably broadcast the second audio packets through BIS logical transport.

Abstract: A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The Bluetooth host device controls a display device to display a candidate device list, and to display a single device item in the candidate device list to represent the Bluetooth device set, but does not simultaneously display two device items in the candidate device list to represent the first member device and the second member device. The Bluetooth host device further transmits a first parameter to the first member device, and executes a predetermined cypher algorithm based on the first parameter to generate a first cypher key after receiving a selection command. The first member device executes the predetermined cypher algorithm based on the first parameter to generate a second cypher key corresponding to the first cypher key.

Abstract: A Bluetooth communication system is provided, which comprises a Bluetooth host device and a Bluetooth device set. The connections between the Bluetooth host device and the Bluetooth device set complies with the specification of Bluetooth Low Energy Audio technology. The Bluetooth device set comprises at least a first member device and a second member device. The first member device and the second member device may be configured in a first mode and a second mode respectively, and the connections are carried out by isochronous streaming channels. The first member device transmits captured voice data to the Bluetooth main control device, while the second member device does not. When an event is triggered, the first member device can notify the second member device through the Bluetooth host device, so that the first member device and the second member device can carry out subsequent voice input handover procedures.