SE452835B - Transmissionskrets for en elektronisk telefonapparat - Google Patents

Transmissionskrets for en elektronisk telefonapparat

Info

Publication number
SE452835B
SE452835B SE8300841A SE8300841A SE452835B SE 452835 B SE452835 B SE 452835B SE 8300841 A SE8300841 A SE 8300841A SE 8300841 A SE8300841 A SE 8300841A SE 452835 B SE452835 B SE 452835B
Authority
SE
Sweden
Prior art keywords
circuit
voltage
series connection
receiver
current
Prior art date
Application number
SE8300841A
Other languages
English (en)
Swedish (sv)
Other versions
SE8300841L (sv
SE8300841D0 (sv
Inventor
J J A Geboers
D J G Janssen
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of SE8300841D0 publication Critical patent/SE8300841D0/xx
Publication of SE8300841L publication Critical patent/SE8300841L/
Publication of SE452835B publication Critical patent/SE452835B/sv

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)
  • Interface Circuits In Exchanges (AREA)
  • Pens And Brushes (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Set Structure (AREA)
SE8300841A 1982-02-19 1983-02-16 Transmissionskrets for en elektronisk telefonapparat SE452835B (sv)

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 (3)

Publication Number Publication Date
SE8300841D0 SE8300841D0 (sv) 1983-02-16
SE8300841L SE8300841L (sv) 1983-08-20
SE452835B true SE452835B (sv) 1987-12-14

Family

ID=19839289

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8300841A SE452835B (sv) 1982-02-19 1983-02-16 Transmissionskrets for en elektronisk telefonapparat

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 (10)

* 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
US20230346647A1 (en) * 2022-04-29 2023-11-02 Lockedbrands, Llc Self-destructive dispenser for controlled substances

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
SE8300841L (sv) 1983-08-20
JPS58153447A (ja) 1983-09-12
BE895930A (fr) 1983-08-17
FR2522229A1 (fr) 1983-08-26
FR2522229B1 (fr) 1985-10-31
AU1160883A (en) 1983-08-25
DE3304720A1 (de) 1983-09-08
SE8300841D0 (sv) 1983-02-16
IT1171057B (it) 1987-06-10
CA1201833A (fr) 1986-03-11
IT8319619A0 (it) 1983-02-16
IT8319619A1 (it) 1984-08-16
GB2115653B (en) 1985-07-03
GB8304303D0 (en) 1983-03-23
AU551550B2 (en) 1986-05-01
NL8200666A (nl) 1983-09-16
JPH0618399B2 (ja) 1994-03-09
GB2115653A (en) 1983-09-07
DE3304720C2 (de) 1984-06-07
US4518828A (en) 1985-05-21

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