GB627462A - Improvements in or relating to electric impulse communication systems - Google Patents

Improvements in or relating to electric impulse communication systems

Info

Publication number
GB627462A
GB627462A GB21925/47A GB2192547A GB627462A GB 627462 A GB627462 A GB 627462A GB 21925/47 A GB21925/47 A GB 21925/47A GB 2192547 A GB2192547 A GB 2192547A GB 627462 A GB627462 A GB 627462A
Authority
GB
United Kingdom
Prior art keywords
valve
pulses
grids
negative
signal
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
GB21925/47A
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 GB627462A publication Critical patent/GB627462A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/03—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using non-linear inductance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electrotherapy Devices (AREA)
GB21925/47A 1946-08-10 1947-08-08 Improvements in or relating to electric impulse communication systems Expired GB627462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR932140T 1946-08-10

Publications (1)

Publication Number Publication Date
GB627462A true GB627462A (en) 1949-08-09

Family

ID=9455038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21925/47A Expired GB627462A (en) 1946-08-10 1947-08-08 Improvements in or relating to electric impulse communication systems

Country Status (5)

Country Link
BE (1) BE477327A (enrdf_load_stackoverflow)
CH (1) CH278417A (enrdf_load_stackoverflow)
FR (1) FR932140A (enrdf_load_stackoverflow)
GB (1) GB627462A (enrdf_load_stackoverflow)
NL (1) NL77430C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964613C (de) * 1952-08-07 1957-05-23 Int Standard Electric Corp Impulsmodulator fuer ein Nachrichtenuebertragungssystem mit Pulsdifferentialmodulation
US11683624B1 (en) 2020-05-12 2023-06-20 Qualcomm Technologies, Inc. Transducer with analog and digital modulators

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE489190A (enrdf_load_stackoverflow) * 1948-05-22
US2605361A (en) * 1950-06-29 1952-07-29 Bell Telephone Labor Inc Differential quantization of communication signals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE964613C (de) * 1952-08-07 1957-05-23 Int Standard Electric Corp Impulsmodulator fuer ein Nachrichtenuebertragungssystem mit Pulsdifferentialmodulation
US11683624B1 (en) 2020-05-12 2023-06-20 Qualcomm Technologies, Inc. Transducer with analog and digital modulators

Also Published As

Publication number Publication date
BE477327A (enrdf_load_stackoverflow)
NL77430C (enrdf_load_stackoverflow)
FR932140A (fr) 1948-03-12
CH278417A (de) 1951-10-15

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