GB2251534B - Spread-spectrum communication apparatus - Google Patents

Spread-spectrum communication apparatus

Info

Publication number
GB2251534B
GB2251534B GB9204144A GB9204144A GB2251534B GB 2251534 B GB2251534 B GB 2251534B GB 9204144 A GB9204144 A GB 9204144A GB 9204144 A GB9204144 A GB 9204144A GB 2251534 B GB2251534 B GB 2251534B
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
Application number
GB9204144A
Other versions
GB9204144D0 (en
GB2251534A (en
Inventor
Nobuo Mikoshiba
Kazuo Tsubouchi
Takeshi Tomioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP63011567A external-priority patent/JPH0810839B2/en
Application filed by Individual filed Critical Individual
Priority to GB9204144A priority Critical patent/GB2251534B/en
Publication of GB9204144D0 publication Critical patent/GB9204144D0/en
Publication of GB2251534A publication Critical patent/GB2251534A/en
Application granted granted Critical
Publication of GB2251534B publication Critical patent/GB2251534B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
GB9204144A 1988-01-21 1992-02-26 Spread-spectrum communication apparatus Expired - Lifetime GB2251534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9204144A GB2251534B (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
GB9204144A GB2251534B (en) 1988-01-21 1992-02-26 Spread-spectrum communication apparatus

Publications (3)

Publication Number Publication Date
GB9204144D0 GB9204144D0 (en) 1992-04-08
GB2251534A GB2251534A (en) 1992-07-08
GB2251534B true GB2251534B (en) 1992-09-23

Family

ID=26294855

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9204143A Expired - Lifetime GB2251533B (en) 1988-01-21 1992-02-26 Spread-spectrum communication apparatus
GB9204144A Expired - Lifetime GB2251534B (en) 1988-01-21 1992-02-26 Spread-spectrum communication apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9204143A Expired - Lifetime GB2251533B (en) 1988-01-21 1992-02-26 Spread-spectrum communication apparatus

Country Status (1)

Country Link
GB (2) GB2251533B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0177963A2 (en) * 1984-10-12 1986-04-16 Sony Corporation Decoder for spectrum diffusion signals

Patent Citations (1)

* Cited by examiner, † Cited by third party
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
GB9204144D0 (en) 1992-04-08
GB2251534A (en) 1992-07-08
GB9204143D0 (en) 1992-04-08
GB2251533A (en) 1992-07-08
GB2251533B (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