CA953819A - Two phase encoder system for three frequency modulation - Google Patents

Two phase encoder system for three frequency modulation

Info

Publication number
CA953819A
CA953819A CA114,757A CA114757A CA953819A CA 953819 A CA953819 A CA 953819A CA 114757 A CA114757 A CA 114757A CA 953819 A CA953819 A CA 953819A
Authority
CA
Canada
Prior art keywords
frequency modulation
encoder system
phase encoder
phase
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
CA114,757A
Other languages
English (en)
Other versions
CA114757S (en
Inventor
George H. Sollman
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Inc
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 Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Application granted granted Critical
Publication of CA953819A publication Critical patent/CA953819A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manipulation Of Pulses (AREA)
CA114,757A 1970-07-06 1971-06-03 Two phase encoder system for three frequency modulation Expired CA953819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5232770A 1970-07-06 1970-07-06

Publications (1)

Publication Number Publication Date
CA953819A true CA953819A (en) 1974-08-27

Family

ID=21976883

Family Applications (1)

Application Number Title Priority Date Filing Date
CA114,757A Expired CA953819A (en) 1970-07-06 1971-06-03 Two phase encoder system for three frequency modulation

Country Status (6)

Country Link
US (1) US3678503A (de)
JP (1) JPS5648890B1 (de)
CA (1) CA953819A (de)
DE (1) DE2133660A1 (de)
FR (1) FR2098177B1 (de)
GB (1) GB1294281A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111897197A (zh) * 2020-08-18 2020-11-06 四川大学 基于双相位编码的傅里叶相位全息图生成方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836904A (en) * 1972-12-12 1974-09-17 Robertshaw Controls Co Output encoder and line driver
US3815122A (en) * 1973-01-02 1974-06-04 Gte Information Syst Inc Data converting apparatus
US3848251A (en) * 1973-07-02 1974-11-12 Ibm Logical circuitry for recovering rpm decoded prm recorded data
GB1532444A (en) * 1975-03-26 1978-11-15 Micro Consultants Ltd Synchronising data for digital storage systems
JPS601384U (ja) * 1983-06-17 1985-01-08 国産金属工業株式会社 郵便投入口における開閉蓋の取付装置
US6847312B2 (en) * 2001-03-19 2005-01-25 Kodeos Communications Symmetric line coding
CN102985837B (zh) * 2010-05-10 2016-04-27 爱德万测试公司 用于确定比特流内的边缘之前的连续相等比特的数目的装置和用于重建重复比特序列的装置
US9885752B2 (en) 2010-08-12 2018-02-06 Advantest Corporation Test apparatus for generating reference scan chain test data and test system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422425A (en) * 1965-06-29 1969-01-14 Rca Corp Conversion from nrz code to selfclocking code
US3414894A (en) * 1965-06-29 1968-12-03 Rca Corp Magnetic recording and reproducing of digital information
US3500385A (en) * 1967-07-17 1970-03-10 Ibm Coded data storage and retrieval system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111897197A (zh) * 2020-08-18 2020-11-06 四川大学 基于双相位编码的傅里叶相位全息图生成方法

Also Published As

Publication number Publication date
JPS5648890B1 (de) 1981-11-18
US3678503A (en) 1972-07-18
DE2133660A1 (de) 1972-01-20
GB1294281A (en) 1972-10-25
FR2098177A1 (de) 1972-03-10
FR2098177B1 (de) 1975-07-11

Similar Documents

Publication Publication Date Title
CA1001305A (en) Coding system for differential phase modulation
CA967647A (en) Polarization converter for microwaves
CA942896A (en) Frequency division multiplex single-sideband modulation system
CA997855A (en) Modulator system
CA942387A (en) Variable frequency system
CA993949A (en) Phase converter
CA953819A (en) Two phase encoder system for three frequency modulation
CA997856A (en) Modulator system
CA948794A (en) Modulator system
CA937670A (en) Sub-carrier signal generating system having phase compensator
CA1008164A (en) Phase modulation apparatus
CA946516A (en) Two phase encoder system for three frequency modulation
CA947430A (en) Four phase encoder system for three frequency modulation
AU474600B2 (en) Phase shift tremulant system
AU457807B2 (en) Two phase encoder system for three frequency modulation
AU457133B2 (en) Four phase encoder system for three frequency modulation
AU2999971A (en) Two phase encoder system for three frequency modulation
AU2999871A (en) Four phase encoder system for three frequency modulation
AU2671971A (en) Frequency synthesis system
AU457336B2 (en) Two phase encoder sysytem for three frequency modulation
AU2999771A (en) Two phase encoder sysytem for three frequency modulation
CA934831A (en) Serrasoid phase modulator
CA1011410A (en) Phase modulating device
CA898962A (en) Delta modulation system
AU441604B2 (en) Frequency modulation demodulation system