HITACHI ASTEMO, LTD. (20240235900). DIFFERENTIAL TRANSMISSION SUBSTRATE AND POWER-OVER-DIFFERENTIAL DATA COMMUNICATION DEVICE simplified abstract
Contents
DIFFERENTIAL TRANSMISSION SUBSTRATE AND POWER-OVER-DIFFERENTIAL DATA COMMUNICATION DEVICE
Organization Name
Inventor(s)
Takayasu Norimatsu of Tokyo (JP)
DIFFERENTIAL TRANSMISSION SUBSTRATE AND POWER-OVER-DIFFERENTIAL DATA COMMUNICATION DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240235900 titled 'DIFFERENTIAL TRANSMISSION SUBSTRATE AND POWER-OVER-DIFFERENTIAL DATA COMMUNICATION DEVICE
- Simplified Explanation:**
The patent application describes a technique for power superposition in differential data transmission to reduce radiation noise and operate at a radio frequency. It involves superimposing DC power on a data signal and transmitting it through a differential transmission board.
- Key Features and Innovation:**
- Differential transmission board for superimposing DC power on a data signal.
- Includes first and second differential transmission lines, DC transmission lines, capacitor elements, and inductor elements.
- Capacitor elements cut off DC power and pass only the data signal.
- Inductor elements cut off radio-frequency components and pass only the DC component.
- Equivalent characteristic impedance in the differential mode for both transmission lines.
- Potential Applications:**
This technology can be used in various communication systems, data transmission applications, and electronic devices requiring low radiation noise and efficient power transmission.
- Problems Solved:**
- Reducing radiation noise in data transmission.
- Efficient power superposition in differential data transmission.
- Operating at a radio frequency with low cost.
- Benefits:**
- Low radiation noise in data transmission.
- Cost-effective power superposition technique.
- Capable of operating at a radio frequency.
- Commercial Applications:**
Potential commercial applications include telecommunications equipment, networking devices, industrial automation systems, and consumer electronics requiring reliable data transmission with minimal interference.
- Questions about the Technology:**
1. How does the differential transmission board cut off radio-frequency components? 2. What are the specific advantages of having equivalent characteristic impedance in the differential mode for both transmission lines?
Original Abstract Submitted
provided is a technique of power superposition differential data transmission with low radiation noise at low cost and capable of operating at a radio frequency. a differential transmission board superimposes dc power on a differential data signal from a transmission/reception ic and then transmits the signal to a cable, and includes: a first differential transmission line including two wiring patterns; a second differential transmission line including two wiring patterns; two dc transmission lines that transmit the dc power; two capacitor elements that cut off the dc power and pass only the differential data signal; and two inductor elements that cut off a radio-frequency component that is the differential data signal and pass only a dc component, in which the first differential transmission line and the second differential transmission line are connected in series, in which the two capacitor elements are connected in series to the second differential transmission line, in which the second differential transmission line and the dc transmission line are connected via the two inductor elements, and in which a characteristic impedance in a differential mode of the first differential transmission line and a characteristic impedance in the differential mode of the second differential transmission line are substantially equivalent, and a characteristic impedance in an in-phase mode of the second differential transmission line is higher than a characteristic impedance in the in-phase mode of the first differential transmission line.
