CH554111A - METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS. - Google Patents

METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.

Info

Publication number
CH554111A
CH554111A CH593272A CH593272A CH554111A CH 554111 A CH554111 A CH 554111A CH 593272 A CH593272 A CH 593272A CH 593272 A CH593272 A CH 593272A CH 554111 A CH554111 A CH 554111A
Authority
CH
Switzerland
Prior art keywords
transmission
voice signals
voice
signals
Prior art date
Application number
CH593272A
Other languages
German (de)
Original Assignee
Gretag Ag
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 Gretag Ag filed Critical Gretag Ag
Priority to CH593272A priority Critical patent/CH554111A/en
Priority to DE19722221645 priority patent/DE2221645A1/en
Publication of CH554111A publication Critical patent/CH554111A/en

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CH593272A 1972-04-21 1972-04-21 METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS. CH554111A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH593272A CH554111A (en) 1972-04-21 1972-04-21 METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.
DE19722221645 DE2221645A1 (en) 1972-04-21 1972-05-03 METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH593272A CH554111A (en) 1972-04-21 1972-04-21 METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.

Publications (1)

Publication Number Publication Date
CH554111A true CH554111A (en) 1974-09-13

Family

ID=4301705

Family Applications (1)

Application Number Title Priority Date Filing Date
CH593272A CH554111A (en) 1972-04-21 1972-04-21 METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.

Country Status (2)

Country Link
CH (1) CH554111A (en)
DE (1) DE2221645A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1060726B (en) * 1975-01-11 1982-08-20 Chiba Communications Ind SIMULTANEOUS TELECOMMUNICATIONS RADIO BRAZING
CH589390A5 (en) * 1975-08-19 1977-06-30 Patelhold Patentverwertung

Also Published As

Publication number Publication date
DE2221645A1 (en) 1973-10-25

Similar Documents

Publication Publication Date Title
CH539987A (en) Method and device for the transmission of information via carrier waves
CH546989A (en) METHOD AND DEVICE FOR FIRE NOTIFICATION.
CH553660A (en) METHOD AND DEVICE FOR DROP GENERATION.
AT335045B (en) METHOD AND DEVICE FOR DIFFERENTIAL OLFACTOMETRY
CH537064A (en) Method and device for the automatic authentication of graphic templates
CH526239A (en) Method and device for message transmission
AT330956B (en) METHOD OF ISOLATING BETA1-AP-GLYCOPROTEIN AND ALFA2-AP-GLYCOPROTEIN
CH516854A (en) Method and device for encrypted transmission of information
AT320264B (en) Method and device for continuously changing the thickness of foils
AT338163B (en) METHOD AND DEVICE FOR PROCESSING SLAG
CH539989A (en) Method and device for encrypted message transmission
CH550743A (en) METHOD FOR WATER TREATMENT AND DEVICE FOR ITS IMPLEMENTATION.
CH547086A (en) METHOD AND DEVICE FOR FOAM GENERATION.
AT300542B (en) Method and device for the production of nonwovens
CH557429A (en) METHOD AND DEVICE FOR COMPARISON OF MACHINE TAPES.
CH554111A (en) METHOD AND DEVICE FOR TRANSMISSION OF VOICE SIGNALS.
AT317731B (en) Process and device for the visual transmission of information
AT326094B (en) METHOD OF OBTAINING N-ALKANALS
CH542009A (en) Method and device for the production of metal pipes
CH552196A (en) METHOD AND DEVICE FOR OPTICAL DIMENSIONING.
AT341097B (en) METHOD FOR DIMETHYLATING KEPHALINE AND SERINE KEEPHALINE
CH551117A (en) PROCEDURE AND EQUIPMENT FOR TRANSMISSION OF TRAFFIC MESSAGES.
CH555298A (en) METHOD AND DEVICE FOR THE TREATMENT OF WASTEWATER CONTAINING CYANIDE.
CH556764A (en) METHOD AND DEVICE FOR MONITORING THE SPEED OF RAIL VEHICLES.
AT331168B (en) DEVICE AND METHOD FOR MANUFACTURING CONCRETE PIPES

Legal Events

Date Code Title Description
PL Patent ceased