AU478244B2 - Improvements relating to radio frequency communication systems - Google Patents

Improvements relating to radio frequency communication systems

Info

Publication number
AU478244B2
AU478244B2 AU55214/73A AU5521473A AU478244B2 AU 478244 B2 AU478244 B2 AU 478244B2 AU 55214/73 A AU55214/73 A AU 55214/73A AU 5521473 A AU5521473 A AU 5521473A AU 478244 B2 AU478244 B2 AU 478244B2
Authority
AU
Australia
Prior art keywords
radio frequency
communication systems
frequency communication
improvements relating
relating
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
Application number
AU55214/73A
Other versions
AU5521473A (en
Inventor
VISSER DAVIS and DAVID JAMES REGINALD MARTIN QUINTIN
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 GB2161972A external-priority patent/GB1371291A/en
Application filed by Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of AU5521473A publication Critical patent/AU5521473A/en
Publication of AU478244B2 publication Critical patent/AU478244B2/en
Expired legal-status Critical Current

Links

AU55214/73A 1972-05-09 1973-05-03 Improvements relating to radio frequency communication systems Expired AU478244B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB21619/72 1972-05-09
GB2161972A GB1371291A (en) 1972-05-09 1972-05-09 Radio frequency communication systems

Publications (2)

Publication Number Publication Date
AU5521473A AU5521473A (en) 1974-11-07
AU478244B2 true AU478244B2 (en) 1974-11-07

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599797B2 (en) * 1987-05-29 1990-07-26 Stolar, Inc. Medium frequency mine communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU599797B2 (en) * 1987-05-29 1990-07-26 Stolar, Inc. Medium frequency mine communication system

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