RAIL VEHICLE INTERNAL INFORMATION NETWORK DEVICE
First Claim
1. A rail vehicle internal information network device comprising:
- a modulating transmission device transmitting a modulated signal in accordance with characteristics of following a transmission wire and demodulating a received signal; and
a transmission wire connecting said modulating transmission device which transmits said signal to other said modulating transmission device,wherein said modulating transmission device has a preventing lowering of transmission characteristic means for preventing lowering of transmission performance by avoiding an effect of external noise or an effect of signal interference.
1 Assignment
0 Petitions
Accused Products
Abstract
A rail vehicle internal information network device has modulating transmission devices (11) that transmit modulated signals in accordance with the characteristics of the transmission wire and that demodulate received signals, and a transmission wire (12) that transmits signals and connects the modulating transmission devices (11), wherein the modulating transmission devices (11) have transmission output adjustment means (20) constituted by means for preventing lowering of transmission performance by avoiding the effect of external noise or the effect of signal interference. In this way, a high-speed information network in a rail vehicle can be constructed without employing coaxial cable or shielded wire as transmission wires for high-frequency communication.
-
Citations
9 Claims
-
1. A rail vehicle internal information network device comprising:
-
a modulating transmission device transmitting a modulated signal in accordance with characteristics of following a transmission wire and demodulating a received signal; and a transmission wire connecting said modulating transmission device which transmits said signal to other said modulating transmission device, wherein said modulating transmission device has a preventing lowering of transmission characteristic means for preventing lowering of transmission performance by avoiding an effect of external noise or an effect of signal interference. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
Specification