H04N7/102

Video extenders, control methods therefor and coaxial video-controlling transmission devices
11190730 · 2021-11-30 · ·

A system and method for filling light for signal communication are provided. The system may include at least one transmission controller. The at least one transmission controller may include a closed loop suppression module coupled to a node and a Video Output, wherein the Video Output is configured to output a reverse control signal, the node is coupled to the Video Output and is configured to receive the reverse control signal, and the closed loop suppression module is configured to: receive the reverse control signal, and adjust at least one of a voltage of the node or a voltage of the Video Output according to the voltage of the reverse control signal.

CABLE TELEVISION APPARATUS WITH HIGH SATURATION CURRENT TRANSFORMER
20220030195 · 2022-01-27 ·

A cable television apparatus is applied to an input coaxial cable and an output coaxial cable to transmit a cable television signal and an alternating current power. The cable television apparatus includes a high saturation current transformer, an input terminal, an output terminal and a coupling side. The high saturation current transformer includes a ferrite core, a primary side circuit and a secondary side coil. The ferrite core is a high saturation current ferrite core, so that the primary side circuit transmits the cable television signal and the alternating current power, and couples the cable television signal to the secondary side coil.

ACTIVE DIGITAL TELEVISION (DTV) AMPLIFIER WITH SIGNAL DETECTION AND DISPLAY FUNCTIONS
20210367565 · 2021-11-25 ·

Disclosed is an active DTV amplifier for amplifying signals and detecting and displaying the intensity of signals of an antenna. The amplifier is connected between the antenna and a coaxial cable and includes a primary signal amplification circuit connected to the antenna for performing a primary amplification of a captured antenna signal, a secondary signal amplification circuit connected to the coaxial cable for performing a secondary amplification of the antenna signal and outputting the amplified signal to a feeder coaxial cable, a signal shunt circuit for splitting and the antenna signal processed by the primary amplification into two and assigning the split signals to the single detection circuit and the secondary signal amplification circuit, and a single detection circuit connected to a microcontroller for feeding the collected antenna signal back to the microcontroller which is connected to a display screen to instantly display the intensity of the signal.

IN-VEHICLE CAMERA AND VEHICLE CONTROL SYSTEM
20210368132 · 2021-11-25 ·

An in-vehicle camera is provided which includes an imager equipped with a lens, a control board on which a circuit is mounted to control an operation of the imager, a flexible cable connecting the imager and the control board to be communicable therebetween, and an electrically conductive housing in which the imager, the flexible cable, and the control board are arranged. A spacer which is designed to have neither electromagnetic wave absorption nor electromagnetic wave reflection properties is arranged away from the control board in a contactless manner and located between the flexible cable and an inner surface of the housing to form a gap therebetween. This minimizes generation of noise transmitted from the housing to inside the vehicle without sacrificing the quality of electrical signals transmitted through a circuit in the flexible cable.

COMMUNICATION DEVICE, CABLE DEVICE, AND DISPLAY DEVICE
20220021843 · 2022-01-20 · ·

According to one embodiment, a communication device includes: a voltage detector configured to detect a voltage from a first signal line to which the communication device and a master device are connected; and a controller configured to output, in case of detecting a read-out command from a second signal line to which the communication device and the master device are connected, a first signal with a time length corresponding to a value of the voltage to a third signal line to which the communication device and the master device are connected, and output, in case that a first signal is not detected on the third signal line from another communication device different from the master device after output of the first signal ends, a second signal including information corresponding to the read-out command to the second signal line.

Distribution Element for a Self-Calibrating RF Network and System and Method for Use of the Same
20210344873 · 2021-11-04 ·

A distribution element for a self-calibrating RF network and system and method for use of the same are disclosed. In one embodiment of the distribution element, the distribution element is located between a headend layer and an endpoint layer. An upstream directional control circuit and a downstream directional control circuit are positioned in a spaced opposing relationship such that respective upstream line and the downstream line are separated into a forward line and reverse line therebetween while being combined at the respective upstream directional control circuit and the downstream directional control circuit. A pair of amplifier circuits positioned between the upstream and downstream control circuits are under the control of a controller to amplify and shape the signal of the forward line and the reverse line. The controller monitor and analyzes signals through the distribution element.

Cable television apparatus with improved choke

A cable television apparatus is applied to an input coaxial cable and an output coaxial cable to transmit a cable television signal. The cable television apparatus includes an improved choke, an input side, an output side, an input capacitor and an output capacitor. The improved choke is electrically connected to the input coaxial cable, the output coaxial cable, the input side, the output side, the input capacitor and the output capacitor. The improved choke includes a conductive wire and a ferrite core. One side of the conductive wire is electrically connected to the input side and one side of the input capacitor. The other side of the conductive wire is electrically connected to the output side and one side of the output capacitor. The ferrite core covers one part of the conductive wire. Moreover, the ferrite core is a high saturation current ferrite core.

Multi-slope equalizers for a cable network

A cable network that includes a multi-slope equalizer and/or cable simulator.

Redriver capable of switching between linear and limited modes

A redriver system adapted for coupling to a first device and to a second device includes first and second transmitter drivers and a snoop circuit. The first transmitter driver has a first enable input. The second transmitter driver has a second enable input. The snoop circuit is coupled to the first and second enable inputs. The snoop circuit is configured to determine whether the first device and the second device are to operate according to a first protocol. Responsive to the snoop circuit determining that the first and second devices are to operate according to the first protocol, the snoop circuit enables the first transmitter driver and disables the second transmitter driver. Responsive to the snoop circuit determining that the first and second devices are not to operate according to the first protocol, the snoop circuit disables the first transmitter driver and enables the second transmitter driver.

Sharing sensor data between multiple controllers to support vehicle operations

This disclosure presents an assisted driving vehicle system, including autonomous, semi-autonomous, and technology assisted vehicles, that can share sensor data among two or more controllers. A sensor can have one communication channel to a controller, thereby saving cabling and circuitry costs. The data from the sensor can be sent from one controller to another controller to enable redundancy and backup in case of a system failure. In another embodiment, sensor data from more than one sensor can be aggregated at one controller prior to the aggregated sensor data being communicated to another controller thereby saving bandwidth and reducing transmission times. The sharing of sensor data can be enabled through the use of a sensor data distributor, such as a converter, repeater, or a serializer/deserializer set located as part of the controller and communicatively coupled to another such device in another controller using a data interface communication channel.