GB277397A - Improvements in or relating to wireless receiving apparatus - Google Patents

Improvements in or relating to wireless receiving apparatus

Info

Publication number
GB277397A
GB277397A GB7456/26A GB745626A GB277397A GB 277397 A GB277397 A GB 277397A GB 7456/26 A GB7456/26 A GB 7456/26A GB 745626 A GB745626 A GB 745626A GB 277397 A GB277397 A GB 277397A
Authority
GB
United Kingdom
Prior art keywords
coupled
amplifiers
frequency
valve
detector
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
GB7456/26A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB7456/26A priority Critical patent/GB277397A/en
Priority to US176482A priority patent/US1642420A/en
Publication of GB277397A publication Critical patent/GB277397A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

277,397. Loewe, S. March 17, 1926. Thermionic amplifiers; signalling to and from aircraft.-In order to eliminate microphonic noise due to vibration, particularly on an aeroplane, one or more high-frequency valve amplifiers are coupled to a carborundum detector through an intermediate high-frequency circuit. Low-frequency disturbances originating in the valves are thus shut out from the telephones. As shown in the Figure, two four-electrode amplifiers 6, 21, 7, 8 and 18, 22, 19, 20, coupled by a high-resistance 23, are contained within a single evacuated bulb 17. The output is fed through a high-frequence transformer 10 to a tuned circuit 11, 12, coupled in turn to a crystal detector 14. A twoelectrode valve may replace the crystal rectifier.
GB7456/26A 1926-03-17 1926-03-17 Improvements in or relating to wireless receiving apparatus Expired GB277397A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7456/26A GB277397A (en) 1926-03-17 1926-03-17 Improvements in or relating to wireless receiving apparatus
US176482A US1642420A (en) 1926-03-17 1927-03-18 Wireless receiving apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7456/26A GB277397A (en) 1926-03-17 1926-03-17 Improvements in or relating to wireless receiving apparatus

Publications (1)

Publication Number Publication Date
GB277397A true GB277397A (en) 1927-09-19

Family

ID=9833433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7456/26A Expired GB277397A (en) 1926-03-17 1926-03-17 Improvements in or relating to wireless receiving apparatus

Country Status (2)

Country Link
US (1) US1642420A (en)
GB (1) GB277397A (en)

Also Published As

Publication number Publication date
US1642420A (en) 1927-09-13

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