CH546457A - Frequenzbandwandler. - Google Patents

Frequenzbandwandler.

Info

Publication number
CH546457A
CH546457A CH681471A CH546457DA CH546457A CH 546457 A CH546457 A CH 546457A CH 681471 A CH681471 A CH 681471A CH 546457D A CH546457D A CH 546457DA CH 546457 A CH546457 A CH 546457A
Authority
CH
Switzerland
Prior art keywords
frequency band
band converter
converter
frequency
band
Prior art date
Application number
CH681471A
Other languages
English (en)
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of CH546457A publication Critical patent/CH546457A/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
    • H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CH681471A 1970-05-07 1971-05-07 Frequenzbandwandler. CH546457A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3537570A 1970-05-07 1970-05-07

Publications (1)

Publication Number Publication Date
CH546457A true CH546457A (de) 1974-02-28

Family

ID=21882295

Family Applications (1)

Application Number Title Priority Date Filing Date
CH681471A CH546457A (de) 1970-05-07 1971-05-07 Frequenzbandwandler.

Country Status (7)

Country Link
BE (1) BE766768A (de)
CA (1) CA961978A (de)
CH (1) CH546457A (de)
DE (1) DE2122261B2 (de)
FR (1) FR2091111A5 (de)
GB (1) GB1325621A (de)
NL (1) NL7106153A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342104A (en) * 1979-11-02 1982-07-27 University Court Of The University Of Edinburgh Helium-speech communication

Also Published As

Publication number Publication date
CA961978A (en) 1975-01-28
GB1325621A (en) 1973-08-08
BE766768A (fr) 1971-10-01
NL7106153A (de) 1971-11-09
DE2122261A1 (de) 1971-11-18
DE2122261B2 (de) 1975-03-13
FR2091111A5 (de) 1972-01-14

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Legal Events

Date Code Title Description
PL Patent ceased