NL6516306A - - Google Patents

Info

Publication number
NL6516306A
NL6516306A NL6516306A NL6516306A NL6516306A NL 6516306 A NL6516306 A NL 6516306A NL 6516306 A NL6516306 A NL 6516306A NL 6516306 A NL6516306 A NL 6516306A NL 6516306 A NL6516306 A NL 6516306A
Authority
NL
Netherlands
Application number
NL6516306A
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 filed Critical
Publication of NL6516306A publication Critical patent/NL6516306A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
    • B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
    • 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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
NL6516306A 1964-12-15 1965-12-15 NL6516306A (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEST23082A DE1232213B (de) 1964-12-15 1964-12-15 Tonfrequentes Tastwahlverfahren fuer Fernmelde-, insbesondere Fernsprechanlagen
DEST23083A DE1232214B (de) 1964-12-15 1964-12-15 Tonfrequentes Tastwahlverfahren fuer Fernmelde-, insbesondere Fernsprechanlagen
DE1232213 1964-12-15
DEST23097A DE1236026B (de) 1964-12-15 1964-12-17 Wahlaufnahmeeinrichtung fuer Tastwahl-codezeichen, die aus einem Gleichstrom-Vorbereitungszeichen und einer sprachsicheren tonfrequenten Zeichenfrequenzkombination gebildet sind
DEST23111A DE1232215B (de) 1964-12-15 1964-12-19 Tonfrequentes Tastwahlverfahren in Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
NL6516306A true NL6516306A (fr) 1966-06-20

Family

ID=27509827

Family Applications (4)

Application Number Title Priority Date Filing Date
NL6516301A NL6516301A (fr) 1964-12-15 1965-12-15
NL6516306A NL6516306A (fr) 1964-12-15 1965-12-15
NL6516307A NL6516307A (fr) 1964-12-15 1965-12-15
NL6516300A NL6516300A (fr) 1964-12-15 1965-12-15

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL6516301A NL6516301A (fr) 1964-12-15 1965-12-15

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL6516307A NL6516307A (fr) 1964-12-15 1965-12-15
NL6516300A NL6516300A (fr) 1964-12-15 1965-12-15

Country Status (8)

Country Link
US (1) US3482051A (fr)
AT (1) AT277329B (fr)
BE (4) BE673760A (fr)
CH (5) CH444239A (fr)
DE (4) DE1232214B (fr)
FR (1) FR1459635A (fr)
NL (4) NL6516301A (fr)
SE (1) SE331301B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911223A (en) * 1971-12-02 1975-10-07 Siemens Ag Circuit arrangement for subscriber stations in telecommunications installations, especially telephone installations with auxiliary data traffic

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2332912A (en) * 1942-05-01 1943-10-26 Bell Telephone Labor Inc Telephone system
FR81782E (fr) * 1961-06-19 1964-01-31
US3319011A (en) * 1964-05-11 1967-05-09 Bell Telephone Labor Inc Multifrequency signal receiver circuit

Also Published As

Publication number Publication date
CH437439A (de) 1967-06-15
BE673759A (fr) 1966-06-15
DE1232213B (de) 1967-01-12
CH454967A (de) 1968-04-30
FR1459635A (fr) 1966-11-18
CH454067A (de) 1968-04-15
US3482051A (en) 1969-12-02
DE1236026B (de) 1967-03-09
NL6516307A (fr) 1966-06-20
BE673897A (fr) 1966-06-17
AT277329B (de) 1969-12-29
CH444239A (de) 1967-09-30
NL6516300A (fr) 1966-06-16
NL6516301A (fr) 1966-06-16
DE1232214B (de) 1967-01-12
SE331301B (fr) 1970-12-21
DE1232215B (de) 1967-01-12
CH444240A (de) 1967-09-30
BE673760A (fr) 1966-06-15
BE673896A (fr) 1966-06-17

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