GB506658A - Improvements in or relating to keying circuit arrangements for radio and like transmitters - Google Patents

Improvements in or relating to keying circuit arrangements for radio and like transmitters

Info

Publication number
GB506658A
GB506658A GB33249/37A GB3324937A GB506658A GB 506658 A GB506658 A GB 506658A GB 33249/37 A GB33249/37 A GB 33249/37A GB 3324937 A GB3324937 A GB 3324937A GB 506658 A GB506658 A GB 506658A
Authority
GB
United Kingdom
Prior art keywords
biassed
stages
during
potentiometer
valves
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
GB33249/37A
Other languages
English (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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 to NL61923D priority Critical patent/NL61923C/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB33249/37A priority patent/GB506658A/en
Priority to US240641A priority patent/US2217929A/en
Publication of GB506658A publication Critical patent/GB506658A/en
Expired 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
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Microwave Amplifiers (AREA)
GB33249/37A 1937-12-01 1937-12-01 Improvements in or relating to keying circuit arrangements for radio and like transmitters Expired GB506658A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL61923D NL61923C (enrdf_load_stackoverflow) 1937-12-01
GB33249/37A GB506658A (en) 1937-12-01 1937-12-01 Improvements in or relating to keying circuit arrangements for radio and like transmitters
US240641A US2217929A (en) 1937-12-01 1938-11-16 Keying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33249/37A GB506658A (en) 1937-12-01 1937-12-01 Improvements in or relating to keying circuit arrangements for radio and like transmitters

Publications (1)

Publication Number Publication Date
GB506658A true GB506658A (en) 1939-06-01

Family

ID=10350460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33249/37A Expired GB506658A (en) 1937-12-01 1937-12-01 Improvements in or relating to keying circuit arrangements for radio and like transmitters

Country Status (3)

Country Link
US (1) US2217929A (enrdf_load_stackoverflow)
GB (1) GB506658A (enrdf_load_stackoverflow)
NL (1) NL61923C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
US2217929A (en) 1940-10-15
NL61923C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB506658A (en) Improvements in or relating to keying circuit arrangements for radio and like transmitters
GB467915A (en) Improvements in or relating to electron discharge devices and to circuits therefor
GB458449A (en) Improvements in or relating to electron discharge device amplifiers
GB437804A (en) Improvements in or relating to thermionic valves for use in radio signalling systems
GB413544A (en) Improvements in or relating to thermionic valve circuit arrangements
GB474388A (en) Improvements in or relating to electrical frequency dividing circuit arrangements
GB501048A (en) Improvements in or relating to radio receiving circuits employing thermionic valves
GB570094A (en) A thermionic-valve switching circuit
GB521872A (en) Improvements relating to thermionic valve circuits
GB484588A (en) Improvements in or relating to electron discharge device circuit arrangements
GB424470A (en) Improvements in or relating to modulating and keying systems for radio and like transmitters
GB393206A (en) Improvements in or relating to very short wave modulated radio and other carrier wave transmitters
GB540218A (en) Improvements in electronic relay circuit arrangements
GB540888A (en) Improvements in keying arrangements for radio and like systems
GB442741A (en) Improvements in or relating to very high frequency receivers
GB454259A (en) Improvements in or relating to modulated carrier wave transmitters
GB379957A (en) Improvements in or relating to thermionic valve circuits
GB475105A (en) Improvements in or relating to radio and other high frequency telegraph transmitters
GB445893A (en) Improvements in or relating to electron discharge device amplifiers
GB428772A (en) Improvements in or relating to frequency discriminating circuit arrangements suitable for use in radio receivers
GB549484A (en) Improvements in or relating to thermionic valve circuits
GB518824A (en) Improvements in or relating to impulse generators and to thermionic tubes for use therein
GB418033A (en) Improvements in or relating to wireless receiving apparatus
GB421644A (en) Improvements in and relating to thermionic valves and to circuits therefor
GB481894A (en) Improvements in and relating to electron discharge devices and circuit arrangements incorporating the same