[go: up one dir, main page]

AU209848B2 - Improvements in or relating to automatic frequency control arrangements for frequency shift telegraph receivers - Google Patents

Improvements in or relating to automatic frequency control arrangements for frequency shift telegraph receivers

Info

Publication number
AU209848B2
AU209848B2 AU18707/56A AU1870756A AU209848B2 AU 209848 B2 AU209848 B2 AU 209848B2 AU 18707/56 A AU18707/56 A AU 18707/56A AU 1870756 A AU1870756 A AU 1870756A AU 209848 B2 AU209848 B2 AU 209848B2
Authority
AU
Australia
Prior art keywords
relating
control arrangements
frequency control
frequency shift
telegraph receivers
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
AU18707/56A
Other versions
AU1870756A (en
Inventor
John Heaton-Armstrong Louis
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU209848B2 publication Critical patent/AU209848B2/en
Publication of AU1870756A publication Critical patent/AU1870756A/en
Expired legal-status Critical Current

Links

AU18707/56A 1956-06-01 Improvements in or relating to automatic frequency control arrangements for frequency shift telegraph receivers Expired AU209848B2 (en)

Publications (2)

Publication Number Publication Date
AU209848B2 true AU209848B2 (en) 1956-12-06
AU1870756A AU1870756A (en) 1956-12-06

Family

ID=

Similar Documents

Publication Publication Date Title
AU209848B2 (en) Improvements in or relating to automatic frequency control arrangements for frequency shift telegraph receivers
AU1870756A (en) Improvements in or relating to automatic frequency control arrangements for frequency shift telegraph receivers
AU203885B2 (en) Improvements in or relating to automatic tuning control arrangements
AU216898B2 (en) Improvements in or relating to frequency shift telegraphy receivers
AU896255A (en) Improvements in or relating to automatic tuning control arrangements
AU3152357A (en) Improvements in or relating to frequency shift telegraphy receivers
CA520530A (en) Frequency selector
AU218419B2 (en) Improvements in or relating to automatic gain control circuits in television receivers
CA522380A (en) Automatic tuning circuit
CA531786A (en) Automatic frequency control circuit
CA534164A (en) Automatic frequency control circuit
CA525546A (en) Automatic frequency control
AU213355B2 (en) Improvements in or relating to transmission systems for television signals
AU216097B2 (en) Improvements in or relating to transmission systems for television signals
AU209846B2 (en) Improvements in telegraph receivers
CA533075A (en) Automatic tuner
CA515996A (en) Superheterodyne receiver with automatic frequency control
AU207471B2 (en) Improvements in or relating to frequency control arrangements for frequency-shift telegraph systems
CA524315A (en) Automatic frequency control system
AU207872B2 (en) Automatic frequency control system
AU214523B2 (en) Receivers
AU2034056A (en) Improvements in or relating to automatic gain control circuits in television receivers
AU212373B2 (en) Improvements in or relating. to circuit arrangements for use in television receivers for separating interference signals
CA516086A (en) Frequency shift telegraph receivers
AU1969556A (en) Improvements in or relating to transmission systems for television signals