FR1126164A - Dispositif compresseur-expanseur de signaux électriques - Google Patents

Dispositif compresseur-expanseur de signaux électriques

Info

Publication number: FR1126164A
Authority: FR; France
Prior art keywords: electric signal; expander device; signal compressor; compressor; expander
Prior art date: 1954-06-15
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

Other languages

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.)

1954-06-15

Filing date

1955-06-14

Publication date

1956-11-16

1955-06-14 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1956-11-16 Application granted granted Critical

1956-11-16 Publication of FR1126164A publication Critical patent/FR1126164A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/008—Control by a pilot signal
- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Air Conditioning Control Device (AREA)

FR1126164D 1954-06-15 1955-06-14 Dispositif compresseur-expanseur de signaux électriques Expired FR1126164A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL804802X		1954-06-15

Publications (1)

Publication Number	Publication Date
FR1126164A true FR1126164A (fr)	1956-11-16

Family

ID=19836547

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1126164D Expired FR1126164A (fr)	1954-06-15	1955-06-14	Dispositif compresseur-expanseur de signaux électriques

Country Status (4)

Country	Link
DE (1)	DE1015856B (fr)
FR (1)	FR1126164A (fr)
GB (1)	GB804802A (fr)
NL (2)	NL97506C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3086179A (en) *	1960-05-09	1963-04-16	Bell Telephone Labor Inc	Transmission regulator utilizing passive variable-losser which is controlled, via circuit having expansion network, by signal level
US3732371A (en) *	1971-05-10	1973-05-08	Richard S Burwen	Wide dynamic range noise masking compandor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB702045A (en) *	1950-04-20	1954-01-06	Gen Electric Co Ltd	Improvements in or relating to apparatus for effecting amplitude compression and expansion of electric signals and signalling systems including such apparatus

0
- NL NLAANVRAGE7907478,A patent/NL188374B/xx unknown
- NL NL97506D patent/NL97506C/xx active
1955
- 1955-06-10 GB GB16747/55A patent/GB804802A/en not_active Expired
- 1955-06-11 DE DEN10780A patent/DE1015856B/de active Pending
- 1955-06-14 FR FR1126164D patent/FR1126164A/fr not_active Expired

Also Published As

Publication number	Publication date
GB804802A (en)	1958-11-26
DE1015856B (de)	1957-09-19
NL97506C (fr)
NL188374B (nl)

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