CA978651A - Reference signal generator for pulse code modulation - Google Patents

Reference signal generator for pulse code modulation

Info

Publication number
CA978651A
CA978651A CA135,416A CA135416A CA978651A CA 978651 A CA978651 A CA 978651A CA 135416 A CA135416 A CA 135416A CA 978651 A CA978651 A CA 978651A
Authority
CA
Canada
Prior art keywords
reference signal
signal generator
pulse code
code modulation
modulation
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
CA135,416A
Other languages
English (en)
Other versions
CA135416S (en
Inventor
Walter W. Widmer
Frank De Jager
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA978651A publication Critical patent/CA978651A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Feedback Control In General (AREA)
CA135,416A 1971-02-26 1972-02-23 Reference signal generator for pulse code modulation Expired CA978651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7102557A NL7102557A (de) 1971-02-26 1971-02-26

Publications (1)

Publication Number Publication Date
CA978651A true CA978651A (en) 1975-11-25

Family

ID=19812572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA135,416A Expired CA978651A (en) 1971-02-26 1972-02-23 Reference signal generator for pulse code modulation

Country Status (8)

Country Link
US (1) US3806810A (de)
JP (1) JPS5141542B1 (de)
BE (1) BE779816A (de)
CA (1) CA978651A (de)
DE (1) DE2205474C3 (de)
FR (1) FR2127720A5 (de)
GB (1) GB1346552A (de)
NL (1) NL7102557A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL165014C (nl) * 1973-09-03 1981-02-16 Philips Nv Transmissiestelsel met een zender en een ontvanger voor het met behulp van een pulscode overdragen van informatiesignalen.
FR2315199A1 (fr) * 1975-06-20 1977-01-14 Thomson Csf Codeur a loi de compression normalisee pour transmissions telephoniques du type m.i.c.
US4084111A (en) * 1975-11-26 1978-04-11 New Nippon Electric Company, Ltd. Apparatus for the digital control of analog signal
US5016005A (en) * 1987-10-13 1991-05-14 Terametrix Systems International, Inc. Telemetry apparatus and method
US5991278A (en) * 1996-08-13 1999-11-23 Telogy Networks, Inc. Asymmetric modem communications system and method
US8074013B2 (en) * 2009-09-21 2011-12-06 Skymedi Corporation Uniform coding system for a flash memory

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518660A (en) * 1962-11-29 1970-06-30 B R Corp Encoder
DE1207436B (de) * 1964-06-03 1965-12-23 Standard Elektrik Lorenz Ag Nichtlineares Codier- bzw. Decodier-System
GB1072968A (en) * 1966-01-14 1967-06-21 Standard Telephones Cables Ltd Non-linear coder
NL6712081A (de) * 1967-09-02 1969-03-04
US3569615A (en) * 1968-08-07 1971-03-09 Atomic Energy Commission Method and apparatus for transmitting video information with amplitude representation of position information

Also Published As

Publication number Publication date
DE2205474C3 (de) 1979-08-16
JPS5141542B1 (de) 1976-11-10
US3806810A (en) 1974-04-23
DE2205474B2 (de) 1978-12-21
FR2127720A5 (de) 1972-10-13
BE779816A (fr) 1972-08-24
NL7102557A (de) 1972-08-29
DE2205474A1 (de) 1972-09-07
GB1346552A (en) 1974-02-13

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