Title:
MSK SIGNAL CODE RESTORING DEVICE AND MSK SIGNAL CODE RESTORING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2006/070439
Kind Code:
A1
Abstract:
An MSK signal code restoring device and program free of an error of a restored symbol code even at a place frequently suffering sharp variation the signal level, noise, a reflected wave, or an interfering wave, that is, event through a transmission line involving much noise. The MSK signal code restoring device (1) restores a symbol code allocated to an MSK signal from an LMSK signal generated by level control of the MSK signal modulated by MSK by a modulation method of the DARC of FM multiplex broadcast. The device (1) comprises both-code component extracting means (7a), operating means (7b), symbol clock extracting means (9), code judgment means (11), and code output means (17).
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Inventors:
YAMAMOTO TETSUO (JP)
OKADA KIYOTAKA (JP)
OKADA KIYOTAKA (JP)
Application Number:
PCT/JP2004/019519
Publication Date:
July 06, 2006
Filing Date:
December 27, 2004
Export Citation:
Assignee:
VEHICLE INFORMATION AND COMM S (JP)
YAMAMOTO TETSUO (JP)
OKADA KIYOTAKA (JP)
YAMAMOTO TETSUO (JP)
OKADA KIYOTAKA (JP)
International Classes:
H04L27/14; (IPC1-7): H04L27/14
Foreign References:
| JPH11234247A | 1999-08-27 | |||
| JPH1197982A | 1999-04-09 | |||
| JP2003163706A | 2003-06-06 |
Other References:
SAITO M. ET AL.: "Digital Televi Hoso no Kiso Gijutsu", DAI 9 KAI DIGITAL HENFUKUCHO GIJUTSU (III), vol. 48, no. 9, 20 September 1994 (1994-09-20), pages 1121 - 1128, XP008117391
Attorney, Agent or Firm:
Isono, Michizo c/o Isono International Patent Office (Sabo Kaikan Annex 7-4, Hirakawa-cho 2-chome, Chiyoda-k, Tokyo 93, JP)
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