A signal splitting device is to be installed in a CATV passive apparatus. The signal splitting device includes a circuit board that is disposed in a cover of the CATV passive apparatus, and a first connecting terminal and a second connecting terminal that are mounted to the circuit board and that are connected respectively to input and output terminals of the CATV passive apparatus. Each of the first and second connecting terminals includes a pin electrically connecting the circuit board and the corresponding one of the input and output terminals. The pin has a segment that is between the circuit board and the corresponding one of the input and output terminals and that has a length ranging from 4 to 15 mm.

Provided is an apparatus, method, and computer-readable recording medium for analyzing audio/video (AV) output, capable of automatically analyzing an AV output of a sink device. The apparatus for analyzing an AV output includes: a transmitter configured to transmit a high-definition multimedia interface (HDMI) signal generation command to a source device such that an AV screen is output on a sink device; a receiver configured to receive, from a user terminal, data of a mirroring screen corresponding to the AV screen being output on the sink device, and a controller configured to perform analysis by comparing the received data of the mirroring screen with reference data stored in a memory to analyze a responsiveness for a HDMI signal of a HDMI port provided in the sink device.

A system may comprise at least one signal input circuit configured to receive target input signals from at least one sensor device; at least one signal processing unit. Each of the at least one signal processing unit may include at least one signal output circuit configured to output signals to a first electronic connection; and at least one signal extraction circuit configured to obtain a reverse control signal from the first electronic connection; and at least one signal superimposing circuit configured to generate superimposed reverse control signals by superimposing the first reverse control signal with other electronic signals, and output the superimposed reverse control signal to the signal input circuit.

A network element of a cable television (CATV) network, said network element comprising one or more amplifier units for amplifying downstream signal transmission for digital output into one or more output channels; means for detecting output power of all active digital output channels; means for providing a predetermined correlation between the detected output power of said active digital output channels and a corresponding minimum bias current for said one or more amplifier units; and means for adjusting the bias current of said one or more amplifier units on the basis of the predetermined correlation.

A network element of a cable television (CATV) network, said network element comprising one or more amplifier units for amplifying downstream signal transmission for digital output into one or more output channels; means for detecting modulation error ratio (MER) of all active digital output channels; and means for reducing bias current of said one or more amplifier units from a predetermined value until the MER value reaches a predetermined minimum value.

An HDMI source conversion device according to one aspect of the disclosure includes an HDMI interface, an IP interface, and a converter. The HDMI interface receives a first signal based on the HDMI communication protocol. The IP interface receives address information from a control device via a network based on the Internet protocol, the control device being connected to the network, and the address information indicating the address on the network of an HDMI sink conversion device that is a device different from the control device. The converter converts the first signal based on the HDMI communication protocol into a second signal based on the Internet protocol by adding at least the address information to the first signal received by the HDMI interface. The IP interface transmits the second signal to the HDMI sink conversion device via the network.

A video endoscope including an operating handle; an insertion tube extending distally from the operating handle; a camera at the distal end of the insertion tube; a working channel extending from the housing to the distal end of the insertion tube; and control cables; the operating handle including: a housing; a control lever comprising a wall and trunnions extending laterally from the wall, the wall comprising a control lever immobilization aperture; a first wall comprising a first support aperture and a first immobilization aperture; a second wall comprising a second support aperture, the first support aperture and the second support aperture receiving the trunnions to facilitate rotation of the control lever, and the control lever immobilization aperture and the first immobilization aperture being alignable to receive a tool and thereby immobilize the control lever in a neutral position during attachment of the control cables to the control lever.

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.

A bi-directional RF signal amplifier includes a housing with an RF input port. A power divider network within the housing terminates to a plurality of active RF output ports. An active communications path connects the RF input port to the power divider network. A passive communications path connects the RF input port to a passive RF output port. A MoCA input/output port is provided on the housing. A MoCA signal path connects the power divider network to the MoCA input/output port, and a MoCA pass filter is located along the MoCA signal path. In another embodiment, a passive splitter includes a housing with an RF input port, a power divider network, and a plurality of CATV/MoCA RF output ports. A CATV communications path connects the RF input port to the power divider network. A MoCA input/output port is provided on the housing. A MoCA signal path connects the power divider network to the MoCA input/output port, and a MoCA pass filter is located along the MoCA signal path.

An assembly includes a ring frame having first and second open sides and an electrical connector block; a mounting structure to which the ring frame is secured; a plurality of power and signal cable connection points defined on the ring frame; and a plurality of power and signal cables coupled to the power and signal cable connection points and the connector block. First and second covers are secured to the ring frame. Each of the first and second covers is open on one side facing the ring frame and defines a mounting cavity. A plurality of heat-dissipating electronic components are mechanically and thermally coupled to the first and second covers and located in the mounting cavities. The heat-dissipating electronic components are releasably electrically coupled to the electrical connector block.