GB2092415B - Digital communication system - Google Patents

Digital communication system

Info

Publication number: GB2092415B
Authority: GB; United Kingdom
Prior art keywords: communication system; digital communication; digital; communication
Prior art date: 1981-01-29
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

Application number

GB8202128A

Other versions

GB2092415A (en

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.)

SECR DEFENCE

UK Secretary of State for Defence

Original Assignee

SECR DEFENCE

UK Secretary of State for Defence

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.)

1981-01-29

Filing date

1982-01-26

Publication date

1984-12-19

1982-01-26 Application filed by SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE

1982-01-26 Priority to GB8202128A priority Critical patent/GB2092415B/en

1982-08-11 Publication of GB2092415A publication Critical patent/GB2092415A/en

1984-12-19 Application granted granted Critical

1984-12-19 Publication of GB2092415B publication Critical patent/GB2092415B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- 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)
Quality & Reliability (AREA)
Detection And Prevention Of Errors In Transmission (AREA)

GB8202128A 1981-01-29 1982-01-26 Digital communication system Expired GB2092415B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8202128A GB2092415B (en)	1981-01-29	1982-01-26	Digital communication system

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8102714		1981-01-29
GB8202128A GB2092415B (en)	1981-01-29	1982-01-26	Digital communication system

Publications (2)

Publication Number	Publication Date
GB2092415A GB2092415A (en)	1982-08-11
GB2092415B true GB2092415B (en)	1984-12-19

Family

ID=26278265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8202128A Expired GB2092415B (en)	1981-01-29	1982-01-26	Digital communication system

Country Status (1)

Country	Link
GB (1)	GB2092415B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2161344A (en) *	1984-07-06	1986-01-08	Philips Electronic Associated	Transmission of digital data
GB2165724B (en) *	1984-10-13	1988-05-11	Stc Plc	Remote meter reading
GB8912337D0 (en) *	1989-05-30	2000-08-23	Secr Defence	A wideband high frequency covert communications system
GB9425801D0 (en) *	1994-12-21	1995-02-22	Secr Defence	High integrity modem for high frequency communications
US6442105B1 (en) *	1995-02-09	2002-08-27	Baker Hughes Incorporated	Acoustic transmission system

1982
- 1982-01-26 GB GB8202128A patent/GB2092415B/en not_active Expired

Also Published As

Publication number	Publication date
GB2092415A (en)	1982-08-11

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Legal Events

Date	Code	Title	Description
2001-12-12	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2002-02-20	PE20	Patent expired after termination of 20 years	Effective date: 20020125