DK131838B - Sender til brug ved transmission af analoge signaler ved impulskodemodulation. - Google Patents

Sender til brug ved transmission af analoge signaler ved impulskodemodulation.

Info

Publication number: DK131838B
Authority: DK; Denmark
Prior art keywords: transmitter; analog signals; pulse code; code modulation; signals during
Prior art date: 1970-03-12

Application number

DK110371AA

Other languages

English (en)

Other versions

DK131838C (da

Inventor

J A Greefkes

G Korevaar

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.)

1970-03-12

Filing date

1971-03-09

Publication date

1975-09-08

1971-03-09 Application filed by Philips Nv filed Critical Philips Nv

1975-09-08 Publication of DK131838B publication Critical patent/DK131838B/da

1976-03-15 Application granted granted Critical

1976-03-15 Publication of DK131838C publication Critical patent/DK131838C/da

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
- 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
- H04B14/046—Systems or methods for reducing noise or bandwidth
- H04B14/048—Non linear compression or expansion
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
- H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Theoretical Computer Science (AREA)
Analogue/Digital Conversion (AREA)
Dc Digital Transmission (AREA)

DK110371A 1970-03-12 1971-03-09 Sender til brug ved transmission af analoge signaler ved impulskodemodulation DK131838C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7003510.A NL164716C (nl)	1970-03-12	1970-03-12	Niet-lineaire analoog-digitaalomzetter.

Publications (2)

Publication Number	Publication Date
DK131838B true DK131838B (da)	1975-09-08
DK131838C DK131838C (da)	1976-03-15

Family

ID=19809557

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK110371A DK131838C (da)	1970-03-12	1971-03-09	Sender til brug ved transmission af analoge signaler ved impulskodemodulation

Country Status (11)

Country	Link
US (1)	US3823376A (da)
JP (1)	JPS5233462B1 (da)
AT (1)	AT334420B (da)
BE (1)	BE764077A (da)
CA (1)	CA929605A (da)
DE (1)	DE2110033C3 (da)
DK (1)	DK131838C (da)
FR (1)	FR2081877B1 (da)
GB (1)	GB1348277A (da)
NL (1)	NL164716C (da)
SE (1)	SE368652B (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2659512B1 (de) *	1976-12-30	1978-05-24	Wandel & Goltermann	Verfahren und Schaltungsanordnung zum Erzeugen eines Digitalsignals zum Pruefen einer PCM-Endstelle
JPS5567767U (da) *	1978-11-04	1980-05-09
JPS5567768U (da) *	1978-11-04	1980-05-09
US4700361A (en) *	1983-10-07	1987-10-13	Dolby Laboratories Licensing Corporation	Spectral emphasis and de-emphasis
US4700362A (en) *	1983-10-07	1987-10-13	Dolby Laboratories Licensing Corporation	A-D encoder and D-A decoder system
US4583237A (en) *	1984-05-07	1986-04-15	At&T Bell Laboratories	Technique for synchronous near-instantaneous coding
GB2245443B (en) *	1990-06-22	1994-05-25	Philips Electronic Associated	Signal digitiser
FR2691861A1 (fr) *	1992-05-26	1993-12-03	Thomson Csf	Dispositif de limitation de signaux d'entrée d'un convertisseur analogique-numérique.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3478170A (en) *	1965-10-22	1969-11-11	Siemens Ag	Modulation system for converting analogue signals to a pulse amplitude to pulse width to a binary output
FR1454574A (fr) *	1965-10-22	1966-02-11	Siemens Ag	Modulateur par impulsions codées
NL6809800A (da) *	1968-07-11	1970-01-13
FR1587806A (da) *	1968-10-03	1970-03-27

1970
- 1970-03-12 NL NL7003510.A patent/NL164716C/xx active
1971
- 1971-03-03 DE DE712110033A patent/DE2110033C3/de not_active Expired
- 1971-03-09 AT AT202271A patent/AT334420B/de not_active IP Right Cessation
- 1971-03-09 DK DK110371A patent/DK131838C/da active
- 1971-03-09 SE SE03017/71A patent/SE368652B/xx unknown
- 1971-03-10 BE BE764077A patent/BE764077A/xx unknown
- 1971-03-10 JP JP46012759A patent/JPS5233462B1/ja active Pending
- 1971-03-10 FR FR7108287A patent/FR2081877B1/fr not_active Expired
- 1971-03-11 CA CA107455A patent/CA929605A/en not_active Expired
- 1971-04-19 GB GB2349871*A patent/GB1348277A/en not_active Expired
1973
- 1973-03-19 US US00342447A patent/US3823376A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
NL164716B (nl)	1980-08-15
DE2110033B2 (de)	1978-06-29
SE368652B (da)	1974-07-08
AT334420B (de)	1976-01-10
JPS5233462B1 (da)	1977-08-29
CA929605A (en)	1973-07-03
FR2081877B1 (da)	1974-10-31
NL164716C (nl)	1981-01-15
ATA202271A (de)	1976-05-15
GB1348277A (en)	1974-03-13
BE764077A (fr)	1971-09-10
FR2081877A1 (da)	1971-12-10
DE2110033A1 (de)	1971-10-07
NL7003510A (da)	1971-09-14
DK131838C (da)	1976-03-15
US3823376A (en)	1974-07-09
DE2110033C3 (de)	1979-03-01

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