Abstract: This disclosure includes techniques for controlling smart home devices upon entering a home with a fingerprint sensor in a doorbell device. After capturing a fingerprint of a digit of a guest and sending the fingerprint to a server device, the server device matches the fingerprint of the digit to an entry in a guest fingerprint database for a first user. The server device sends an operational command to a smart home device separate from the doorbell device and located at a same premises as the doorbell device. In response to receiving the operational command from the server device, the smart home device performs an action corresponding to the operational command.

Abstract: This disclosure includes techniques for controlling smart home devices upon entering a home with a fingerprint sensor in a doorbell device. After capturing a fingerprint of a digit of a guest and sending the fingerprint to a server device, the server device matches the fingerprint of the digit to an entry in a guest fingerprint database for a first user. The server device sends an operational command to a smart home device separate from the doorbell device and located at a same premises as the doorbell device. In response to receiving the operational command from the server device, the smart home device performs an action corresponding to the operational command.

Abstract: This disclosure includes techniques for controlling smart home devices upon entering a home with a fingerprint sensor in a doorbell device. After capturing a fingerprint of a digit of a guest and sending the fingerprint to a server device, the server device matches the fingerprint of the digit to an entry in a guest fingerprint database for a first user. The server device sends an operational command to a smart home device separate from the doorbell device and located at a same premises as the doorbell device. In response to receiving the operational command from the server device, the smart home device performs an action corresponding to the operational command.

Abstract: A method for uniformly irradiating a frame of a processed substrate, the processed substrate including a plurality of frames, two consecutive frames being separated by an intermediate zone, the method includes steps of: determining an initial position of the processed substrate using a detecting unit; comparing the detected initial position with a first predetermined position associated with a first frame of the processed substrate; irradiating the first frame of the processed substrate by an irradiation beam emitted by a source unit and scanned by a scanning unit based on the first predetermined position, the irradiation beam being adapted to cover uniformly the whole first frame. A system for uniformly irradiating a frame of a processed substrate is also described.

Abstract: For balancing pressure in a downhole tool between a first section filled with hydraulic fluid and a second section filled with drilling fluid, a system utilizes a sleeve located inside a housing of the downhole tool, a piston located inside the sleeve. A stem traverses the piston through a hole in the piston. The stem is used to couple a solenoid to a valve system of the downhole tool, for example. The piston is sized to control a wobble of the piston and to allow reciprocation of the piston inside the sleeve. The hole in the piston is sized to control a wobble of the stem and to allow reciprocation of the stem through the hole in the piston.

Abstract: For transmitting signals from a collar based tool to an MWD tool string, the collar based tool is connected to an adapter having a wet connector at its end, and the MWD tool string is connected to a centralizer having another wet connector at its end. The adapter includes a rotatable portion that can be oriented in a predetermined orientation, for example, a direction related to the high side of the bent housing of a mud motor tool. The centralizer and the adapter are stabbed together, thus mating the wet connectors. During stabbing, the MWD tool string orients itself with the predetermined orientation. Also, the wet connectors align themselves.

Abstract: For transmitting signals from a collar based tool to an MWD tool string, the collar based tool is connected to an adapter having a wet connector at its end, and the MWD tool string is connected to a centralizer having another wet connector at its end. The adapter includes a rotatable portion that can be oriented in a predetermined orientation, for example, a direction related to the high side of the bent housing of a mud motor tool. The centralizer and the adapter are stabbed together, thus mating the wet connectors. During stabbing, the MWD tool string orients itself with the predetermined orientation. Also, the wet connectors align themselves.

Abstract: Downhole tools, such as MWD modules (or components), may be coupled together with a coupler (or coupling device) having a shall housing with slidable electrical connectors disposed at each end. The electrical connectors may each be supported in connector housings disposed with springs or other movable devices. In a first position, the electrical connectors may extend past the ends of the shaft housing. The slidable connector housings allow the electrical connections to be made before the sleeves connecting (or mechanically connecting) the MWD modules with the coupler are begun to be threadedly attached with the coupler. Each of the connector housings may have a key configuration on their exposed end. The shaft housing may also have key configurations on its ends. The key configurations of the connector housings and the shaft housing may be configured to mate with compatible ends of MWD modules.

Abstract: Downhole tools, such as MWD modules (or components), may be coupled together with a coupler (or coupling device) having a shall housing with slidable electrical connectors disposed at each end. The electrical connectors may each be supported in connector housings disposed with springs or other movable devices. In a first position, the electrical connectors may extend past the ends of the shaft housing. The slidable connector housings allow the electrical connections to he made before the sleeves connecting (or mechanically connecting) the MWD modules with the coupler are begun to be threadedly attached with the coupler. Each of the connector housings may have a key configuration on their exposed end. The shaft housing may also have key configurations on its ends. The key configurations of the connector housings and the shaft housing may he configured to mate with compatible ends of MWD modules.

Abstract: Downhole tools, such as MWD modules (or components), may be coupled together with a coupler (or coupling device) having a shaft housing with slidable electrical connectors disposed at each end. The electrical connectors may each be supported in connector housings disposed with springs or other movable devices. In a first position, the electrical connectors may extend past the ends of the shaft housing. The slidable connector housings allow the electrical connections to be made before the sleeves connecting (or mechanically connecting) the MWD modules with the coupler are begun to be threadedly attached with the coupler. Each of the connector housings may have a key configuration on their exposed end. The shaft housing may also have key configurations on its ends. The key configurations of the connector housings and the shaft housing may be configured to mate with compatible ends of MWD modules.

Abstract: Downhole tools, such as MWD modules (or components), may be coupled together with a coupler (or coupling device) having a shaft housing with slidable electrical connectors disposed at each end. The electrical connectors may each be supported in connector housings disposed with springs or other movable devices. In a first position, the electrical connectors may extend past the ends of the shaft housing. The slidable connector housings allow the electrical connections to be made before the sleeves connecting (or mechanically connecting) the MWD modules with the coupler are begun to be threadedly attached with the coupler. Each of the connector housings may have a key configuration on their exposed end. The shaft housing may also have key configurations on its ends. The key configurations of the connector housings and the shaft housing may be configured to mate with compatible ends of MWD modules.

Abstract: The present invention provides a process for producing low color glycols that comprises altering at least one condition of a reaction component and/or process stream within the process to be unfavorable for the formation of at least one color-producing contaminant intermediate. As such, such intermediates may be reduced in concentration, or even eliminated entirely, from glycols produced by the process. Since they are not present, or are present in reduced number, the intermediates cannot form color-producing contaminants in the glycols, and low color glycols are provided to the customer. Any condition that can discourage the formation of color forming contaminant intermediates can be adjusted, although conditions that can be adjusted by materials or equipment already utilized in the process, e.g.

Abstract: The present invention provides a process for producing low color glycols that comprises altering at least one condition of a reaction component and/or process stream within the process to be unfavorable for the formation of at least one color-producing contaminant intermediate. As such, such intermediates may be reduced in concentration, or even eliminated entirely, from glycols produced by the process. Since they are not present, or are present in reduced number, the intermediates cannot form color-producing contaminants in the glycols, and low color glycols are provided to the customer. Any condition that can discourage the formation of color forming contaminant intermediates can be adjusted, although conditions that can be adjusted by materials or equipment already utilized in the process, e.g.