GB2251533B - Spread-spectrum communication apparatus - Google Patents
Spread-spectrum communication apparatusInfo
- Publication number
- GB2251533B GB2251533B GB9204143A GB9204143A GB2251533B GB 2251533 B GB2251533 B GB 2251533B GB 9204143 A GB9204143 A GB 9204143A GB 9204143 A GB9204143 A GB 9204143A GB 2251533 B GB2251533 B GB 2251533B
- Authority
- GB
- United Kingdom
- Prior art keywords
- spread
- communication apparatus
- spectrum communication
- spectrum
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/70718—Spread spectrum techniques using direct sequence modulation with asynchronous demodulation, i.e. not requiring code synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/709—Correlator structure
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9204143A GB2251533B (en) | 1988-01-21 | 1992-02-26 | Spread-spectrum communication apparatus |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63011567A JPH0810839B2 (en) | 1988-01-21 | 1988-01-21 | Spread spectrum communication device |
GB8901143A GB2214042B (en) | 1988-01-21 | 1989-01-19 | Spread-spectrum communication apparatus |
GB9204143A GB2251533B (en) | 1988-01-21 | 1992-02-26 | Spread-spectrum communication apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9204143D0 GB9204143D0 (en) | 1992-04-08 |
GB2251533A GB2251533A (en) | 1992-07-08 |
GB2251533B true GB2251533B (en) | 1992-09-23 |
Family
ID=26294855
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9204144A Expired - Lifetime GB2251534B (en) | 1988-01-21 | 1992-02-26 | Spread-spectrum communication apparatus |
GB9204143A Expired - Lifetime GB2251533B (en) | 1988-01-21 | 1992-02-26 | Spread-spectrum communication apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9204144A Expired - Lifetime GB2251534B (en) | 1988-01-21 | 1992-02-26 | Spread-spectrum communication apparatus |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2251534B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801457B1 (en) * | 1999-11-22 | 2002-04-19 | Mors | VERY LOW CONSUMPTION FSK OR MFSK DIGITAL DEMODULATOR |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0177963A2 (en) * | 1984-10-12 | 1986-04-16 | Sony Corporation | Decoder for spectrum diffusion signals |
-
1992
- 1992-02-26 GB GB9204144A patent/GB2251534B/en not_active Expired - Lifetime
- 1992-02-26 GB GB9204143A patent/GB2251533B/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0177963A2 (en) * | 1984-10-12 | 1986-04-16 | Sony Corporation | Decoder for spectrum diffusion signals |
Also Published As
Publication number | Publication date |
---|---|
GB2251534A (en) | 1992-07-08 |
GB9204144D0 (en) | 1992-04-08 |
GB9204143D0 (en) | 1992-04-08 |
GB2251533A (en) | 1992-07-08 |
GB2251534B (en) | 1992-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020119 |