GB1398152A - Circuitry for redicing the bandwidth of an information signal - Google Patents

Circuitry for redicing the bandwidth of an information signal

Info

Publication number
GB1398152A
GB1398152A GB3552972A GB3552972A GB1398152A GB 1398152 A GB1398152 A GB 1398152A GB 3552972 A GB3552972 A GB 3552972A GB 3552972 A GB3552972 A GB 3552972A GB 1398152 A GB1398152 A GB 1398152A
Authority
GB
United Kingdom
Prior art keywords
signal
adder
gate
pass filter
low pass
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
GB3552972A
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of GB1398152A publication Critical patent/GB1398152A/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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/662—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 for reducing bandwidth of signals; for improving efficiency of transmission using a time/frequency relationship, e.g. time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB3552972A 1971-07-29 1972-07-28 Circuitry for redicing the bandwidth of an information signal Expired GB1398152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5641071 1971-07-29

Publications (1)

Publication Number Publication Date
GB1398152A true GB1398152A (en) 1975-06-18

Family

ID=13026373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3552972A Expired GB1398152A (en) 1971-07-29 1972-07-28 Circuitry for redicing the bandwidth of an information signal

Country Status (3)

Country Link
DE (1) DE2236882A1 (enExample)
FR (1) FR2147326B1 (enExample)
GB (1) GB1398152A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219906A (en) * 1988-06-15 1989-12-20 Sony Corp Image data transmitting systems

Also Published As

Publication number Publication date
DE2236882A1 (de) 1973-02-15
FR2147326A1 (enExample) 1973-03-09
FR2147326B1 (enExample) 1977-05-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee