DK161355C - Interpolativ analog-digitalomsaetter til kredsloeb til taleoverfoering i en abonnentlinie - Google Patents

Interpolativ analog-digitalomsaetter til kredsloeb til taleoverfoering i en abonnentlinie

Info

Publication number: DK161355C
Authority: DK; Denmark
Prior art keywords: circuit; digital transmission; analog digital; voice transfer; subscription line
Prior art date: 1980-06-18

Application number

DK069982A

Other languages

English (en)

Other versions

DK161355B (da

DK69982A (da

Inventor

Russell Jay Apfel

Anders Gunnar Eriksson

Lars Tommy Edward Svensson

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.)

1980-06-18

Filing date

1982-02-17

Publication date

1991-12-02

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22154395&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK161355(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1982-02-17 Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M

1982-02-17 Publication of DK69982A publication Critical patent/DK69982A/da

1991-06-24 Publication of DK161355B publication Critical patent/DK161355B/da

1991-12-02 Application granted granted Critical

1991-12-02 Publication of DK161355C publication Critical patent/DK161355C/da

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/16—Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Mechanical Engineering (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Theoretical Computer Science (AREA)
General Engineering & Computer Science (AREA)
Analogue/Digital Conversion (AREA)
Interface Circuits In Exchanges (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Devices For Supply Of Signal Current (AREA)

DK069982A 1980-06-18 1982-02-17 Interpolativ analog-digitalomsaetter til kredsloeb til taleoverfoering i en abonnentlinie DK161355C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
PCT/US1980/000753 WO1981003725A1 (en)	1980-06-18	1980-06-18	Interpolative analog-to-digital converter for subscriber line audio processing circuit apparatus
US8000753		1980-06-18

Publications (3)

Publication Number	Publication Date
DK69982A DK69982A (da)	1982-02-17
DK161355B DK161355B (da)	1991-06-24
DK161355C true DK161355C (da)	1991-12-02

Family

ID=22154395

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK069982A DK161355C (da)	1980-06-18	1982-02-17	Interpolativ analog-digitalomsaetter til kredsloeb til taleoverfoering i en abonnentlinie

Country Status (20)

Country	Link
EP (1)	EP0054035B1 (da)
JP (2)	JPS6345129B2 (da)
KR (1)	KR870001097B1 (da)
AR (1)	AR227189A1 (da)
AU (1)	AU540017B2 (da)
BR (1)	BR8009088A (da)
CA (1)	CA1165028A (da)
CH (1)	CH656268A5 (da)
DE (1)	DE3071107D1 (da)
DK (1)	DK161355C (da)
ES (1)	ES501902A0 (da)
FI (1)	FI72238C (da)
FR (1)	FR2485298A1 (da)
HU (1)	HU185434B (da)
IE (1)	IE51777B1 (da)
IN (1)	IN155720B (da)
IT (1)	IT1189020B (da)
NO (1)	NO156268C (da)
WO (1)	WO1981003725A1 (da)
YU (1)	YU46125B (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4718057A (en)	1985-08-30	1988-01-05	Advanced Micro Devices, Inc.	Streamlined digital signal processor
GB2370201B (en) *	2000-12-18	2004-07-21	Ubinetics Ltd	Level allocation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3587087A (en) *	1967-10-17	1971-06-22	Rca Corp	Digital companding loop for monobit encoder/decoder
US3550004A (en) *	1968-12-13	1970-12-22	Bell Telephone Labor Inc	Feedback coders using weighted code companding on strings of equal bits
US3789199A (en) *	1972-05-01	1974-01-29	Bell Telephone Labor Inc	Signal mode converter and processor
US3820111A (en) *	1972-11-13	1974-06-25	Bell Telephone Labor Inc	Analog-to-digital converter
US3956700A (en) *	1975-04-18	1976-05-11	Bell Telephone Laboratories, Incorporated	Two-feedback-path delta modulation system with circuits for reducing pulse width modulation

1980
- 1980-06-18 AU AU72205/81A patent/AU540017B2/en not_active Expired
- 1980-06-18 BR BR8009088A patent/BR8009088A/pt not_active IP Right Cessation
- 1980-06-18 JP JP81501848A patent/JPS6345129B2/ja not_active Expired
- 1980-06-18 WO PCT/US1980/000753 patent/WO1981003725A1/en active IP Right Grant
- 1980-06-18 EP EP81901383A patent/EP0054035B1/en not_active Expired
- 1980-06-18 JP JP81501848A patent/JPS57500858A/ja active Pending
- 1980-06-18 DE DE8181901383T patent/DE3071107D1/de not_active Expired
1981
- 1981-04-23 IN IN254/DEL/81A patent/IN155720B/en unknown
- 1981-05-06 ES ES501902A patent/ES501902A0/es active Granted
- 1981-05-18 KR KR1019810001701A patent/KR870001097B1/ko active
- 1981-05-28 FI FI811643A patent/FI72238C/fi not_active IP Right Cessation
- 1981-06-03 IE IE1224/81A patent/IE51777B1/en not_active IP Right Cessation
- 1981-06-11 YU YU146981A patent/YU46125B/sh unknown
- 1981-06-15 AR AR285714A patent/AR227189A1/es active
- 1981-06-17 CA CA000379936A patent/CA1165028A/en not_active Expired
- 1981-06-17 CH CH3986/81A patent/CH656268A5/de not_active IP Right Cessation
- 1981-06-17 HU HU811789A patent/HU185434B/hu not_active IP Right Cessation
- 1981-06-17 FR FR8111938A patent/FR2485298A1/fr active Granted
- 1981-06-18 IT IT22411/81A patent/IT1189020B/it active
1982
- 1982-02-17 DK DK069982A patent/DK161355C/da not_active IP Right Cessation
- 1982-02-18 NO NO82820514A patent/NO156268C/no unknown

Also Published As

Publication number	Publication date
FI811643L (fi)	1981-12-19
FR2485298B1 (da)	1984-01-20
DE3071107D1 (de)	1985-10-24
YU146981A (en)	1984-02-29
DK161355B (da)	1991-06-24
IE811224L (en)	1981-12-18
NO820514L (no)	1982-02-18
ES8206073A1 (es)	1982-07-01
FI72238C (fi)	1987-04-13
IE51777B1 (en)	1987-04-01
KR870001097B1 (ko)	1987-06-04
DK69982A (da)	1982-02-17
ES501902A0 (es)	1982-07-01
NO156268C (no)	1987-08-19
CH656268A5 (de)	1986-06-13
KR830006997A (ko)	1983-10-12
AU7220581A (en)	1982-01-07
EP0054035B1 (en)	1985-09-18
FR2485298A1 (fr)	1981-12-24
AU540017B2 (en)	1984-10-25
BR8009088A (pt)	1982-05-25
JPS6345129B2 (da)	1988-09-08
FI72238B (fi)	1986-12-31
EP0054035A1 (en)	1982-06-23
HU185434B (en)	1985-02-28
JPS57500858A (da)	1982-05-13
IT1189020B (it)	1988-01-28
YU46125B (sh)	1993-05-28
WO1981003725A1 (en)	1981-12-24
NO156268B (no)	1987-05-11
CA1165028A (en)	1984-04-03
IN155720B (da)	1985-02-23
EP0054035A4 (en)	1982-12-09
JPS56500920A (da)	1981-07-09
IT8122411A0 (it)	1981-06-18
AR227189A1 (es)	1982-09-30

Publication	Publication Date	Title
EG13657A (en)	1982-09-30	Multiport digital switching element
NO157037C (no)	1988-01-13	En digital abonnentlinjekrets.
GB2032731B (en)	1983-01-19	Digital conference circuit
AT373414B (de)	1984-01-25	Digitaler kodierer
DK307685A (da)	1986-01-06	Digitalt telefonapparat
DK159233C (da)	1991-03-04	Digitalt kommunikationsapparat
JPS5739694A (en)	1982-03-04	Digital switching module
FR2495421B1 (fr)	1987-08-21	Circuit de conversion analogique/numerique
DE3274509D1 (en)	1987-01-15	Telephone line circuit
DK159704C (da)	1991-04-15	Interpolativ indkodeapparat til kredsloeb til taleoverfoering i en abonnentlinie
DE3161901D1 (en)	1984-02-23	Digital data switching device
JPS57129055A (en)	1982-08-10	Digital siganl distributor
GB2090706B (en)	1985-02-20	Digital/analog converters
NO157038C (no)	1988-01-13	En digital to-til-fire trds omformerkrets for en telefonabonnentlinje.
GB2016871B (en)	1982-04-15	Digital telecommunications systems
DK69882A (da)	1982-02-17	Kredsloeb til taleoverfoering i en abonnentlinie
FR2514587B1 (fr)	1989-02-03	Convertisseur numerique/analogique
DK161355C (da)	1991-12-02	Interpolativ analog-digitalomsaetter til kredsloeb til taleoverfoering i en abonnentlinie
DK413584D0 (da)	1984-08-29	Aktivering i en digital abonnentforbindelse
ZA795116B (en)	1980-08-27	A circuit assembly for use in an exchange of a digital t.d.m.telecommunications system
SE7908577L (sv)	1980-04-21	Transmissionsbrygga for en telefonabonnentlinjekrets
JPS57133497A (en)	1982-08-18	Digital voice device
IT8148777A0 (it)	1981-06-26	Risponditore telefonico automatico digitale
IT8135890V0 (it)	1981-06-26	Risponditore telefonico automatico digitale
ZA822223B (en)	1983-02-23	Digital switching network

Legal Events

Date	Code	Title	Description
2000-07-10	PUP	Patent expired