GB567352A - Carrier wave circuit protection - Google Patents

Carrier wave circuit protection

Info

Publication number
GB567352A
GB567352A GB13995/43A GB1399543A GB567352A GB 567352 A GB567352 A GB 567352A GB 13995/43 A GB13995/43 A GB 13995/43A GB 1399543 A GB1399543 A GB 1399543A GB 567352 A GB567352 A GB 567352A
Authority
GB
United Kingdom
Prior art keywords
carrier
relay
amplifier
rectifier
circuit
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
GB13995/43A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB567352A publication Critical patent/GB567352A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H03F1/548—Protection of anode or grid circuit against overload

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
GB13995/43A 1942-06-23 1943-08-27 Carrier wave circuit protection Expired GB567352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US567352XA 1942-06-23 1942-06-23

Publications (1)

Publication Number Publication Date
GB567352A true GB567352A (en) 1945-02-09

Family

ID=22006280

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13995/43A Expired GB567352A (en) 1942-06-23 1943-08-27 Carrier wave circuit protection

Country Status (3)

Country Link
BE (1) BE460348A (enrdf_load_stackoverflow)
FR (1) FR938185A (enrdf_load_stackoverflow)
GB (1) GB567352A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1950883A1 (en) * 2007-01-25 2008-07-30 Research In Motion Limited System and method for filtering harmonics of a power amplifier
US7724084B2 (en) 2007-01-25 2010-05-25 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1950883A1 (en) * 2007-01-25 2008-07-30 Research In Motion Limited System and method for filtering harmonics of a power amplifier
EP2161835A1 (en) * 2007-01-25 2010-03-10 Research in Motion Limited System and method for filtering harmonics of a power amplifier
US7724084B2 (en) 2007-01-25 2010-05-25 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device
EP2284991A1 (en) * 2007-01-25 2011-02-16 Research In Motion Limited System and method for controlling radio frequency transmissions in an electronic device
US8008971B2 (en) 2007-01-25 2011-08-30 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device
US8269554B2 (en) 2007-01-25 2012-09-18 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device
US8362834B2 (en) 2007-01-25 2013-01-29 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device
US8547171B2 (en) 2007-01-25 2013-10-01 Research In Motion Limited System and method for controlling radio frequency transmissions from an electronic device
US8723598B2 (en) 2007-01-25 2014-05-13 Blackberry Limited System and method for controlling radio frequency transmissions from an electronic device

Also Published As

Publication number Publication date
FR938185A (fr) 1948-09-07
BE460348A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB571627A (en) Improvements in or relating to carrier current telephone transmitter circuits
GB567352A (en) Carrier wave circuit protection
GB452582A (en) Improvements in or relating to carrier wave transmitters
US2558129A (en) Supervisory device for communication apparatus
US2493484A (en) Radio transmitting system
GB619478A (en) Improvements in or relating to high frequency transmission and receiving systems
US1796071A (en) High-frequency repeater
US1795484A (en) Wave-suppression circuit
GB636375A (en) Improvements in or relating to circuits for receiving frequency-modulated oscillations
US1691990A (en) High-frequency signaling system
GB283578A (en) Improvements relating to high frequency signalling systems
GB914435A (en) Improvements in or relating to radio transmitters
US2310060A (en) Two-wire radio transmission
GB373331A (en) Improvements in or relating to high frequency radio transmitters and receivers
GB564934A (en) Improvements in radio-transmitters
US1473433A (en) Carrier-wave transmission system
GB433286A (en) System for emitting and transmitting electrical waves
GB604920A (en) Improvements in or relating to radio signalling systems particularly for radio beacons
US1915768A (en) Wired radio reception regulation
US2489284A (en) Frequency modulation radio transmitter
GB363480A (en) Improvements in and relating to devices for the modulation of wireless transmitting apparatus
GB685358A (en) Improvements in or relating to electric carrier wave modulators
GB521999A (en) Improvements in and relating to modulating and amplifying systems
GB803682A (en) Improvements in or relating to electrical amplitude modulating circuits
GB451237A (en) Improvements in or relating to carrier wave transmitting apparatus