FR2522229B1 - Circuit de transmission pour appareil telephonique electronique - Google Patents

Circuit de transmission pour appareil telephonique electronique

Info

Publication number
FR2522229B1
FR2522229B1 FR8302704A FR8302704A FR2522229B1 FR 2522229 B1 FR2522229 B1 FR 2522229B1 FR 8302704 A FR8302704 A FR 8302704A FR 8302704 A FR8302704 A FR 8302704A FR 2522229 B1 FR2522229 B1 FR 2522229B1
Authority
FR
France
Prior art keywords
transmission circuit
telephone apparatus
electronic telephone
electronic
transmission
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
FR8302704A
Other languages
English (en)
Other versions
FR2522229A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2522229A1 publication Critical patent/FR2522229A1/fr
Application granted granted Critical
Publication of FR2522229B1 publication Critical patent/FR2522229B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Pens And Brushes (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
FR8302704A 1982-02-19 1983-02-18 Circuit de transmission pour appareil telephonique electronique Expired FR2522229B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200666A NL8200666A (nl) 1982-02-19 1982-02-19 Transmissieschakeling voor een elektronisch telefoontoestel.

Publications (2)

Publication Number Publication Date
FR2522229A1 FR2522229A1 (fr) 1983-08-26
FR2522229B1 true FR2522229B1 (fr) 1985-10-31

Family

ID=19839289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8302704A Expired FR2522229B1 (fr) 1982-02-19 1983-02-18 Circuit de transmission pour appareil telephonique electronique

Country Status (11)

Country Link
US (1) US4518828A (fr)
JP (1) JPH0618399B2 (fr)
AU (1) AU551550B2 (fr)
BE (1) BE895930A (fr)
CA (1) CA1201833A (fr)
DE (1) DE3304720C2 (fr)
FR (1) FR2522229B1 (fr)
GB (1) GB2115653B (fr)
IT (1) IT1171057B (fr)
NL (1) NL8200666A (fr)
SE (1) SE452835B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407226A1 (de) * 1984-02-28 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer eine elektronische drossel in lautfernsprechstationen
DE3407202A1 (de) * 1984-02-28 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung fuer eine elektronische drossel in lautfernsprechstationen
US4619837A (en) * 1985-02-01 1986-10-28 Advanced Micro Devices, Inc. Polymerizable planarization layer for integrated circuit structures
US4794021A (en) * 1986-11-13 1988-12-27 Microelectronics And Computer Technology Corporation Method of providing a planarized polymer coating on a substrate wafer
BE905921A (nl) * 1986-12-16 1987-06-16 Bell Telephone Mfg Telecommunicatie-inrichting en daarin gebruikte ketens.
DE4009954A1 (de) * 1990-03-28 1991-10-10 Siemens Ag Schaltungsanordnung fuer eine eingangs- und stromversorgungsschaltung fuer digitale fernsprechendgeraete
US5191606A (en) * 1990-05-08 1993-03-02 Industrial Technology Research Institute Electrical telephone speech network
DE4212858A1 (de) * 1992-04-16 1993-10-21 Siemens Ag Tonrufschaltung
FR3007969B1 (fr) * 2013-07-05 2016-01-29 Medicodose Systems Distributeur d'une dose unitaire d'une substance active sous une forme galenique solide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906084C2 (de) * 1979-02-15 1981-10-08 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung zur Übertragung von sprachfrequenten Signalen in Fernsprechanlagen
GB2064268B (en) * 1979-09-17 1983-10-26 Philips Nv Electronic signalling device for connection to a signal transmission line
US4332984A (en) * 1979-12-13 1982-06-01 Bell Telephone Laboratories, Incorporated Active speech network circuit for a telephone set
JPS6041909B2 (ja) * 1980-03-26 1985-09-19 日本電気株式会社 電話機通話回路網
US4309573A (en) * 1980-04-07 1982-01-05 Gte Automatic Electric Labs Inc. Loudspeaking substation circuit
US4406926A (en) * 1980-12-19 1983-09-27 International Telephone And Telegraph Corporation Telephone station circuit using digital tone generation
US4400588A (en) * 1981-06-15 1983-08-23 Gte Automatic Electric Labs Inc. Electronic voice network for a telephone subscriber's substation

Also Published As

Publication number Publication date
AU1160883A (en) 1983-08-25
SE452835B (sv) 1987-12-14
IT8319619A1 (it) 1984-08-16
GB2115653B (en) 1985-07-03
CA1201833A (fr) 1986-03-11
AU551550B2 (en) 1986-05-01
IT1171057B (it) 1987-06-10
DE3304720C2 (de) 1984-06-07
IT8319619A0 (it) 1983-02-16
SE8300841L (sv) 1983-08-20
GB2115653A (en) 1983-09-07
BE895930A (fr) 1983-08-17
SE8300841D0 (sv) 1983-02-16
FR2522229A1 (fr) 1983-08-26
JPS58153447A (ja) 1983-09-12
JPH0618399B2 (ja) 1994-03-09
GB8304303D0 (en) 1983-03-23
DE3304720A1 (de) 1983-09-08
NL8200666A (nl) 1983-09-16
US4518828A (en) 1985-05-21

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse