GB2324006B - Electronic modulation scheme - Google Patents

Electronic modulation scheme

Info

Publication number
GB2324006B
GB2324006B GB9706664A GB9706664A GB2324006B GB 2324006 B GB2324006 B GB 2324006B GB 9706664 A GB9706664 A GB 9706664A GB 9706664 A GB9706664 A GB 9706664A GB 2324006 B GB2324006 B GB 2324006B
Authority
GB
United Kingdom
Prior art keywords
modulation scheme
electronic modulation
electronic
scheme
modulation
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 - Fee Related
Application number
GB9706664A
Other versions
GB2324006A (en
GB9706664D0 (en
Inventor
David Williams
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
Application filed by Individual filed Critical Individual
Priority to GB9706664A priority Critical patent/GB2324006B/en
Publication of GB9706664D0 publication Critical patent/GB9706664D0/en
Publication of GB2324006A publication Critical patent/GB2324006A/en
Application granted granted Critical
Publication of GB2324006B publication Critical patent/GB2324006B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9706664A 1997-04-02 1997-04-02 Electronic modulation scheme Expired - Fee Related GB2324006B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9706664A GB2324006B (en) 1997-04-02 1997-04-02 Electronic modulation scheme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9706664A GB2324006B (en) 1997-04-02 1997-04-02 Electronic modulation scheme

Publications (3)

Publication Number Publication Date
GB9706664D0 GB9706664D0 (en) 1997-05-21
GB2324006A GB2324006A (en) 1998-10-07
GB2324006B true GB2324006B (en) 2001-08-22

Family

ID=10810147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9706664A Expired - Fee Related GB2324006B (en) 1997-04-02 1997-04-02 Electronic modulation scheme

Country Status (1)

Country Link
GB (1) GB2324006B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB635346A (en) * 1942-05-22 1950-04-05 Radio Electr Soc Fr Improvements relating to ultra-rapid radiotelegraphy systems
GB766200A (en) * 1954-02-02 1957-01-16 Acec Teleprinter system for radio-electric transmission
GB865938A (en) * 1958-02-14 1961-04-26 Acec Ciphering and deciphering device for teleprinters
GB890860A (en) * 1957-10-10 1962-03-07 Standard Telephones Cables Ltd Signalling system for automatic telephone exchanges
GB970315A (en) * 1960-02-16 1964-09-16 Ericsson Telefon Ab L M Circuit arrangement for sending and receiving code signals
GB996835A (en) * 1962-08-23 1965-06-30 Standard Telephones Cables Ltd Multi-frequency code signalling method
GB1154649A (en) * 1966-09-07 1969-06-11 Acec Improvements in Transmission Apparatus for Teleprinters.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB635346A (en) * 1942-05-22 1950-04-05 Radio Electr Soc Fr Improvements relating to ultra-rapid radiotelegraphy systems
GB766200A (en) * 1954-02-02 1957-01-16 Acec Teleprinter system for radio-electric transmission
GB890860A (en) * 1957-10-10 1962-03-07 Standard Telephones Cables Ltd Signalling system for automatic telephone exchanges
GB865938A (en) * 1958-02-14 1961-04-26 Acec Ciphering and deciphering device for teleprinters
GB970315A (en) * 1960-02-16 1964-09-16 Ericsson Telefon Ab L M Circuit arrangement for sending and receiving code signals
GB996835A (en) * 1962-08-23 1965-06-30 Standard Telephones Cables Ltd Multi-frequency code signalling method
GB1154649A (en) * 1966-09-07 1969-06-11 Acec Improvements in Transmission Apparatus for Teleprinters.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
S Welch "Signalling in Telecommunications Networks", 1979, IEE, pages 20 and 21 *

Also Published As

Publication number Publication date
GB2324006A (en) 1998-10-07
GB9706664D0 (en) 1997-05-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011122