FR1302844A - Automatic level equalization assembly for telephone devices - Google Patents

Automatic level equalization assembly for telephone devices

Info

Publication number
FR1302844A
FR1302844A FR875311A FR875311A FR1302844A FR 1302844 A FR1302844 A FR 1302844A FR 875311 A FR875311 A FR 875311A FR 875311 A FR875311 A FR 875311A FR 1302844 A FR1302844 A FR 1302844A
Authority
FR
France
Prior art keywords
automatic level
telephone devices
level equalization
equalization assembly
assembly
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
FR875311A
Other languages
French (fr)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR875311A priority Critical patent/FR1302844A/en
Application granted granted Critical
Publication of FR1302844A publication Critical patent/FR1302844A/en
Expired legal-status Critical Current

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)
FR875311A 1960-10-07 1961-10-07 Automatic level equalization assembly for telephone devices Expired FR1302844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR875311A FR1302844A (en) 1960-10-07 1961-10-07 Automatic level equalization assembly for telephone devices

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE958560 1960-10-07
SE812461 1961-08-10
FR875311A FR1302844A (en) 1960-10-07 1961-10-07 Automatic level equalization assembly for telephone devices

Publications (1)

Publication Number Publication Date
FR1302844A true FR1302844A (en) 1962-08-31

Family

ID=27246203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875311A Expired FR1302844A (en) 1960-10-07 1961-10-07 Automatic level equalization assembly for telephone devices

Country Status (1)

Country Link
FR (1) FR1302844A (en)

Similar Documents

Publication Publication Date Title
CH445573A (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
CA621097A (en) Automatic phonograph
IE24237L (en) Automatic telephone exchanges
CA594222A (en) Automatic telephone systems