Title:
経電話医療用監視装置における同期式並列音響伝送
Document Type and Number:
Japanese Patent JP2004513590
Kind Code:
A
Abstract:
A method synchronous parallel transmission of digital signals over a telephone line is disclosed. The method includes the steps of generating a synchronization signal having at least two frequencies ( 6 and 7 ), simultaneously generating data signals having at least two separate frequencies from the digital signals, converting the synchronization signal and the data signals into audio signals having frequencies corresponding to frequencies of the synchronization signal and the data signals to be transmitted over the telephone line and transmitting at least three frequencies of the audio signals simultaneously over the telephone line.
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Inventors:
PLATT,Harry,Louis
Application Number:
JP2002541887A
Publication Date:
April 30, 2004
Filing Date:
November 09, 2001
Export Citation:
Assignee:
SHELL,Allan,Michael
PLATT,Harry,Louis
PLATT,Harry,Louis
International Classes:
H04L7/06; H04L27/12; H04M11/06; A61B5/00; H04L27/26; (IPC1-7): H04M11/06; H04L27/12
Attorney, Agent or Firm:
Tadashi Hamamoto
Yoshiaki Sato
Yoshiaki Sato