BE608939A - Automatic level equalization assembly for telephone devices - Google Patents

Automatic level equalization assembly for telephone devices

Info

Publication number
BE608939A
BE608939A BE608939A BE608939A BE608939A BE 608939 A BE608939 A BE 608939A BE 608939 A BE608939 A BE 608939A BE 608939 A BE608939 A BE 608939A BE 608939 A BE608939 A BE 608939A
Authority
BE
Belgium
Prior art keywords
automatic level
telephone devices
level equalization
equalization assembly
assembly
Prior art date
Application number
BE608939A
Other languages
French (fr)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BE608939A publication Critical patent/BE608939A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE608939A 1960-10-07 1961-10-06 Automatic level equalization assembly for telephone devices BE608939A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE958560 1960-10-07
SE812461 1961-08-10

Publications (1)

Publication Number Publication Date
BE608939A true BE608939A (en) 1962-02-01

Family

ID=26654820

Family Applications (1)

Application Number Title Priority Date Filing Date
BE608939A BE608939A (en) 1960-10-07 1961-10-06 Automatic level equalization assembly for telephone devices

Country Status (5)

Country Link
BE (1) BE608939A (en)
DE (1) DE1204273B (en)
FI (1) FI40640B (en)
GB (1) GB971265A (en)
NL (1) NL269902A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL168862B (en) * 1951-04-18 Dynamit Nobel Ag METHOD FOR BONDING MATERIALS, SUCH AS PAPER, LEATHER, WOOD AND PLASTICS, USING A POLYESTER-BASED MELTING ADHESIVE.
BE510952A (en) * 1957-05-10

Also Published As

Publication number Publication date
GB971265A (en) 1964-09-30
NL269902A (en)
FI40640B (en) 1968-12-31
DE1204273B (en) 1965-11-04

Similar Documents

Publication Publication Date Title
CH433459A (en) Automatic telecommunication exchange installation
FR1302844A (en) Automatic level equalization assembly for telephone devices
BE608939A (en) Automatic level equalization assembly for telephone devices
FR1146819A (en) Automatic telephone installation
BE599691A (en) Automatic phonograph
FR1262962A (en) Automatic connection for removable pipes
FR1259559A (en) Automatic device for the replacement of reel supports
FR1283408A (en) Automatic answering telephone device
FR1188832A (en) Automatic installation switch
FR1276945A (en) Assembly device for pipes
FR1245205A (en) Circuit arrangement for automatic telephone exchange
CA606161A (en) Device for automatic telephone exchanges
FR1153914A (en) Automatic telephone installation
FR1256540A (en) Automatic telephone call installation
FR1253365A (en) Device for disc storage
GR19513B (en) AUTOMATIC TELEPHONE CONNECTION DEVICE.
BE600987A (en) Maintenance devices of an automatic telephone exchange
FR1284116A (en) Automatic phonograph
AU253798B2 (en) Automatic calling arrangement
CA602192A (en) Ressort pour matelas et sommiers
FR1191539A (en) Auto-selector for automatic devices
FR74755E (en) Auto-selector for automatic devices
IE24237L (en) Automatic telephone exchanges
CA594222A (en) Automatic telephone systems
CA598047A (en) Automatic telephone systems