GB551228A - Improvements in or relating to selective electrical circuits - Google Patents

Improvements in or relating to selective electrical circuits

Info

Publication number
GB551228A
GB551228A GB1479841A GB1479841A GB551228A GB 551228 A GB551228 A GB 551228A GB 1479841 A GB1479841 A GB 1479841A GB 1479841 A GB1479841 A GB 1479841A GB 551228 A GB551228 A GB 551228A
Authority
GB
United Kingdom
Prior art keywords
inputs
outputs
resistance
circuits
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
GB1479841A
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.)
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
Priority to BE470229D priority Critical patent/BE470229A/xx
Application filed by Individual filed Critical Individual
Priority to GB1479841A priority patent/GB551228A/en
Publication of GB551228A publication Critical patent/GB551228A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/32—Reducing cross-talk, e.g. by compensating
    • H04B3/34—Reducing cross-talk, e.g. by compensating by systematic interconnection of lengths of cable during laying; by addition of balancing components to cable during laying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Rectifiers (AREA)
GB1479841A 1941-11-18 1941-11-18 Improvements in or relating to selective electrical circuits Expired GB551228A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE470229D BE470229A (xx) 1941-11-18
GB1479841A GB551228A (en) 1941-11-18 1941-11-18 Improvements in or relating to selective electrical circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1479841A GB551228A (en) 1941-11-18 1941-11-18 Improvements in or relating to selective electrical circuits

Publications (1)

Publication Number Publication Date
GB551228A true GB551228A (en) 1943-02-12

Family

ID=10047667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1479841A Expired GB551228A (en) 1941-11-18 1941-11-18 Improvements in or relating to selective electrical circuits

Country Status (2)

Country Link
BE (1) BE470229A (xx)
GB (1) GB551228A (xx)

Also Published As

Publication number Publication date
BE470229A (xx)

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