BE842561A - Systeme pour la transmission de signaux par modulation en delta de signaux comprimes - Google Patents

Systeme pour la transmission de signaux par modulation en delta de signaux comprimes

Info

Publication number: BE842561A
Authority: BE; Belgium
Prior art keywords: signal transmission; delta modulation; compressed signals; compressed; signals
Prior art date: 1975-06-05

Application number

BE167612A

Other languages

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.)

1975-06-05

Filing date

1976-06-03

Publication date

1976-12-03

1976-06-03 Application filed filed Critical

1976-12-03 Publication of BE842561A publication Critical patent/BE842561A/fr

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
- H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Amplifiers (AREA)
Filters And Equalizers (AREA)
Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

BE167612A 1975-06-05 1976-06-03 Systeme pour la transmission de signaux par modulation en delta de signaux comprimes BE842561A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7506656,A NL174607C (nl)	1975-06-05	1975-06-05	Transmissie-systeem voor signaaloverdracht door middel van gecomprimeerde deltamodulatie.

Publications (1)

Publication Number	Publication Date
BE842561A true BE842561A (fr)	1976-12-03

Family

ID=19823893

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE167612A BE842561A (fr)	1975-06-05	1976-06-03	Systeme pour la transmission de signaux par modulation en delta de signaux comprimes

Country Status (11)

Country	Link
US (1)	US4100493A (fr)
JP (1)	JPS51148318A (fr)
AU (1)	AU506899B2 (fr)
BE (1)	BE842561A (fr)
BR (1)	BR7603531A (fr)
CA (1)	CA1089098A (fr)
DE (1)	DE2624637C2 (fr)
FR (1)	FR2313814A1 (fr)
GB (1)	GB1546639A (fr)
NL (1)	NL174607C (fr)
SE (1)	SE406531B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7712706A (nl) *	1977-11-18	1979-05-22	Philips Nv	Deltamodulatie decoder.
US4446565A (en) *	1980-12-30	1984-05-01	Motorola, Inc.	CVSD Transmission with improved intelligibility of voice signals
US4567881A (en) *	1983-03-31	1986-02-04	Welch Allyn Inc.	Combination otoscope and audiometer
US4700362A (en) *	1983-10-07	1987-10-13	Dolby Laboratories Licensing Corporation	A-D encoder and D-A decoder system
GB2157516A (en) *	1984-04-09	1985-10-23	Mobil Oil Corp	Delta modulator
JPS6350186A (ja) *	1986-08-19	1988-03-03	Matsushita Electric Ind Co Ltd	自動消磁回路
DE3677229D1 (de) *	1986-12-01	1991-02-28	Itt Ind Gmbh Deutsche	Stromumschalter.
DE102004018116B4 (de) *	2004-04-14	2012-04-12	Georg Figol	Verfahren zum Kompandieren für eine Deltamodulationskommunikationseinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL159548B (nl) *	1968-03-21	1979-02-15	Philips Nv	Overdrachtsstelsel voor signaaloverdracht door pulscodemodulatie, alsmede zender en ontvanger voor toepassing in een dergelijk stelsel.
FR2082740A5 (fr) *	1970-03-25	1971-12-10	Trt Telecom Radio Electr
NL156285B (nl) *	1970-04-29	1978-03-15	Philips Nv	Zender voor signaaloverdracht door pulscodemodulatie.
FR2198686A5 (fr) *	1972-09-04	1974-03-29	Trt Telecom Radio Electr
US3857111A (en) *	1973-03-20	1974-12-24	Univ Sherbrooke	Syllabic adaptative delta modulation system

1975
- 1975-06-05 NL NLAANVRAGE7506656,A patent/NL174607C/xx not_active IP Right Cessation
1976
- 1976-05-25 US US05/689,905 patent/US4100493A/en not_active Expired - Lifetime
- 1976-05-27 CA CA253,544A patent/CA1089098A/fr not_active Expired
- 1976-06-02 BR BR3531/76A patent/BR7603531A/pt unknown
- 1976-06-02 GB GB22763/76A patent/GB1546639A/en not_active Expired
- 1976-06-02 SE SE767606196A patent/SE406531B/xx not_active IP Right Cessation
- 1976-06-02 DE DE2624637A patent/DE2624637C2/de not_active Expired
- 1976-06-02 AU AU14527/76A patent/AU506899B2/en not_active Expired
- 1976-06-03 BE BE167612A patent/BE842561A/fr not_active IP Right Cessation
- 1976-06-04 JP JP51064724A patent/JPS51148318A/ja active Granted
- 1976-06-04 FR FR7617033A patent/FR2313814A1/fr active Granted

Also Published As

Publication number	Publication date
DE2624637A1 (de)	1976-12-23
NL174607C (nl)	1984-07-02
AU506899B2 (en)	1980-01-24
AU1452776A (en)	1977-12-08
NL7506656A (nl)	1976-12-07
BR7603531A (pt)	1977-01-11
FR2313814A1 (fr)	1976-12-31
GB1546639A (en)	1979-05-31
US4100493A (en)	1978-07-11
FR2313814B1 (fr)	1982-04-23
CA1089098A (fr)	1980-11-04
SE406531B (sv)	1979-02-12
JPS51148318A (en)	1976-12-20
DE2624637C2 (de)	1982-08-19
SE7606196L (sv)	1976-12-06
JPS5631777B2 (fr)	1981-07-23
NL174607B (nl)	1984-02-01

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Legal Events

Date	Code	Title	Description
1989-12-31	RE	Patent lapsed	Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Effective date: 19890630

Date

Code

Title

Description

1989-12-31

Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19890630