Abstract: A method for providing directed transmission of sound waves, through modulation on an ultrasonic carrier, may comprise connecting, at least one directed sound source to an audio system, emitting, via the at least one directed sound source, audio from the audio system, wherein the emitting comprises emitting medium frequency audio sound waves and higher frequency audio sound waves. The audio may be selected via a master control unit, which may be operatively coupled to a mobile application. In many embodiments, a first audio selection is configured to be heard only through a first directed sound source, and a second audio selection is configured to be heard only through a second directed sound source.

Abstract: A protective case may comprise a first portion, a second portion rotatably coupled to the first portion at a first point, a latching mechanism configured to detachably couple the first portion to the second portion at a second point located opposite the first point, and a cable configured to retain at least one object within an interior portion of at least one of the first portion and the second portion. The at least one object may be at least one of a protective face mask and at least one replaceable filter.

Abstract: A security system can include an electronic doorbell comprising a first camera configurable to capture an image of a first zone, a button configurable to enable a visitor to sound an electronic chime, and a first microphone configurable to capture sounds. The security system can also include an electronic garage door controller communicatively coupled to the electronic doorbell, the electronic garage door controller comprising a second camera configurable to capture an image of a second zone, and a second microphone configurable to capture sounds. The security system can also include a remote computing device communicatively coupled to at least one of the electronic doorbell and the electronic garage door controller. The remote computing device can be configurable to display at least one of the image of the first zone and the image of the second zone.

Abstract: A doorbell system can be used to block a first electricity that is less than a first threshold from entering an electronic chime. By blocking the first electricity from entering the electronic chime, the electronic chime is not allowed to emit a notification sound. The doorbell system can also be used to allow a second electricity that is greater than the first threshold to enter the electronic chime. By allowing the second electricity to enter the electronic chime, this can allow the electronic chime to emit a notification sound in response to a visitor being present.

Abstract: A protective case may comprise a first portion, a second portion rotatably coupled to the first portion at a first point, a latching mechanism configured to detachably couple the first portion to the second portion at a second point located opposite the first point, and a cable configured to retain at least one object within an interior portion of at least one of the first portion and the second portion. The at least one object may be at least one of a protective face mask and at least one replaceable filter.

Abstract: Doorbells can send data to each other to enable a first doorbell user to warn a second doorbell user regarding a suspicious visitor. A first user can indicate a first trait of a visitor via a first remote computing device. The first user can create a user group to enable the members of the user group to use their doorbells to take pictures of suspicious visitors and to send the pictures of the suspicious visitors to other members of the user group.

Abstract: Doorbells often include a button to enable visitors to ring a chime to summon building occupants. In some embodiments, doorbells include a camera to take pictures of visitors. In several embodiments, doorbells include covers that are light filters. These light filters can cover infrared light sources such as infrared light emitting diodes. The light filters can pass infrared light while blocking visible light. In several embodiments, a front portion of a camera assembly fits through a hole in a light filter. Light filters can help secure camera assemblies and can form a portion of a doorbell's outer housing.

Abstract: The disclosure includes a doorbell having a visitor detection system that can comprise at least one of a camera, a microphone, and a motion detector. The method for using the doorbell can comprise recording, via the camera, video data that represents a video. The method can also comprise recording, via the microphone, audio data that represents audio. The method of using the doorbell can comprise transmitting at least a portion of the video data and at least a portion of the audio data, to a remote computing device that is communicatively coupled to the doorbell. The method can also comprise transmitting the video data and the audio data to a remote server that is communicatively coupled to the doorbell.

Abstract: A doorbell system may project an illumination on a surface. The doorbell may include a housing, a button, a camera, a microphone, a speaker, a motion detector, and a light source. In some embodiments, the doorbell includes at least one lens coupled to a bottom surface of the housing adjacent the light source. The at least one lens may be configured to allow light from the light source to pass through the at least one lens such that when the electronic doorbell is attached to a building the light source projects an illumination onto a ground surface in front of the doorbell.

Abstract: A protective face mask may comprise an outer housing including a plurality of ventilation holes, and an inner housing detachably coupled to the outer housing, the inner housing configured to cover a nose and a mouth of a user, the inner housing including a second plurality of ventilation holes. The protective face mask may also include a replaceable filter configured to be received in a space between the inner housing and the outer housing. In some embodiments, the protective face mask includes a dual chamber breathing design configured to reduce moisture collection within the mask.

Abstract: A protective face mask may comprise an outer housing including a first plurality of ventilation holes, and an inner housing detachably coupled to the outer housing, the inner housing configured to cover a nose and a mouth of a user, the inner housing including a second plurality of ventilation holes. The protective face mask may also include a replaceable filter configured to be received in a space between the inner housing and the outer housing. In some embodiments, the protective face mask includes a sensor unit coupled to at least one of the inner housing and the outer housing, the sensor unit configured to detect a presence of a contaminant on the replaceable filter.

Abstract: A doorbell system can be used to block a first electricity that is less than a first threshold from entering an electronic chime. By blocking the first electricity from entering the electronic chime, the electronic chime is not allowed to emit a notification sound. The doorbell system can also be used to allow a second electricity that is greater than the first threshold to enter the electronic chime. By allowing the second electricity to enter the electronic chime, this can allow the electronic chime to emit a notification sound in response to a visitor being present.

Abstract: Doorbells can send data to each other to enable a first doorbell user to warn a second doorbell user regarding a suspicious visitor. A first user can indicate a first trait of a visitor via a first remote computing device. The first user can create a user group to enable the members of the user group to use their doorbells to take pictures of suspicious visitors and to send the pictures of the suspicious visitors to other members of the user group.

Abstract: Doorbells can send data to each other to enable a first doorbell user to warn a second doorbell user regarding a suspicious visitor. A first user can indicate a first trait of a visitor via a first remote computing device. The first user can create a user group to enable the members of the user group to use their doorbells to take pictures of suspicious visitors and to send the pictures of the suspicious visitors to other members of the user group.

Abstract: Doorbells often include a button to enable visitors to ring a chime to summon building occupants. In some embodiments, doorbells include a camera to take pictures of visitors. In several embodiments, doorbells include covers that are light filters. These light filters can cover infrared light sources such as infrared light emitting diodes. The light filters can pass infrared light while blocking visible light. In several embodiments, a front portion of a camera assembly fits through a hole in a light filter. Light filters can help secure camera assemblies and can form a portion of a doorbell's outer housing.

Abstract: A doorbell system may project an illumination on a surface. The doorbell may include a housing, a button, a camera, a microphone, a speaker, a motion detector, and a light source. In some embodiments, the doorbell includes at least one lens coupled to a bottom surface of the housing adjacent the light source. The at least one lens may be configured to allow light from the light source to pass through the at least one lens such that when the electronic doorbell is attached to a building the light source projects an illumination onto a ground surface in front of the doorbell.

Abstract: Doorbells often include a button to enable visitors to ring a chime to summon building occupants. In some embodiments, doorbells include a camera to take pictures of visitors. In several embodiments, doorbells include covers that are light filters. These light filters can cover infrared light sources such as infrared light emitting diodes. The light filters can pass infrared light while blocking visible light. In several embodiments, a front portion of a camera assembly fits through a hole in a light filter. Light filters can help secure camera assemblies and can form a portion of a doorbell's outer housing.