JPS526014A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Line switching system
Assignee: Hitachi Ltd
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Filing: 1975-07-04
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Granted: —
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Expires: 1995-07-04
Abstract
Abstract PURPOSE:In a line switching system of the amplification type date highway system where a number of equipments are linked with lines and each equipment receives a signal from an upper line and sends it to a lower line after amplification and waveform shaping, the return to the line of each station shall be conducted through the command from the line in such a manner of the cut off to the line, and the signal line for commanding the return other than the line be deleted.
Inventors
- 👤 Koichiro Ishida
- 👤 Sadao Mizokawa
- 👤 Hajime Yasuda
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-31 02:52
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/74; H04B1/745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
JPS4866307A
Cited
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