BE842817A - Systeme de transfert avec un emetteur et un recepteur pour la trasmission de signaux au moyen de valeurs de sortie discretes qui caracterisent les signaux transmis en quentification de temps ey en quantifacation d'amplitude au moins trivalente - Google Patents
Systeme de transfert avec un emetteur et un recepteur pour la trasmission de signaux au moyen de valeurs de sortie discretes qui caracterisent les signaux transmis en quentification de temps ey en quantifacation d'amplitude au moins trivalenteInfo
- Publication number
- BE842817A BE842817A BE167815A BE167815A BE842817A BE 842817 A BE842817 A BE 842817A BE 167815 A BE167815 A BE 167815A BE 167815 A BE167815 A BE 167815A BE 842817 A BE842817 A BE 842817A
- Authority
- BE
- Belgium
- Prior art keywords
- signals
- quentification
- quantifacation
- trivalent
- characterize
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7506987,A NL174611C (nl) | 1975-06-12 | 1975-06-12 | Differentieel pulscodemodulatie overdrachtstelsel. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE842817A true BE842817A (fr) | 1976-12-10 |
Family
ID=19823940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE167815A BE842817A (fr) | 1975-06-12 | 1976-06-10 | Systeme de transfert avec un emetteur et un recepteur pour la trasmission de signaux au moyen de valeurs de sortie discretes qui caracterisent les signaux transmis en quentification de temps ey en quantifacation d'amplitude au moins trivalente |
Country Status (14)
Country | Link |
---|---|
US (1) | US4099122A (de) |
JP (1) | JPS6013342B2 (de) |
AU (1) | AU509525B2 (de) |
BE (1) | BE842817A (de) |
BR (1) | BR7603682A (de) |
CA (1) | CA1081790A (de) |
CH (1) | CH615308A5 (de) |
DE (1) | DE2624622C3 (de) |
DK (1) | DK146109C (de) |
FR (1) | FR2314628A1 (de) |
GB (1) | GB1552358A (de) |
IT (1) | IT1061537B (de) |
NL (1) | NL174611C (de) |
SE (1) | SE416009B (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419657A (en) * | 1978-02-24 | 1983-12-06 | Federal Screw Works | Speech digitization system |
NL8005950A (nl) * | 1980-10-30 | 1982-05-17 | Philips Nv | Differentieel pulscode modulatie overdrachtstelsel. |
NL8101199A (nl) * | 1981-03-12 | 1982-10-01 | Philips Nv | Systeem voor het kwantiseren van signalen. |
FR2515450B1 (fr) * | 1981-10-27 | 1986-01-24 | Thomson Csf | Procede, et systeme, de codage et decodage differentiel de donnees limitant la propagation des erreurs de transmission |
US4513426A (en) * | 1982-12-20 | 1985-04-23 | At&T Bell Laboratories | Adaptive differential pulse code modulation |
JPS59115640A (ja) * | 1982-12-22 | 1984-07-04 | Nec Corp | 秘話信号伝送方式 |
US4583237A (en) * | 1984-05-07 | 1986-04-15 | At&T Bell Laboratories | Technique for synchronous near-instantaneous coding |
US4684983A (en) * | 1986-07-31 | 1987-08-04 | Rca Corporation | Non-linear processor for reducing the dynamic range of a digitized error signal |
US5168116A (en) * | 1988-11-02 | 1992-12-01 | Yamaha Corporation | Method and device for compressing signals of plural channels |
EP0420588B1 (de) * | 1989-09-28 | 2000-07-12 | Canon Kabushiki Kaisha | Bildaufnahmegerät |
CA2063879C (en) * | 1991-05-28 | 1998-05-05 | Albert D. Edgar | Positive feedback error diffusion signal processing |
US7225135B2 (en) * | 2002-04-05 | 2007-05-29 | Lectrosonics, Inc. | Signal-predictive audio transmission system |
JP2004019758A (ja) * | 2002-06-14 | 2004-01-22 | Daido Metal Co Ltd | すべり軸受 |
US7423567B2 (en) * | 2006-09-12 | 2008-09-09 | Cirrus Logic, Inc. | Analog-to-digital converter (ADC) having a reduced number of quantizer output levels |
US7903010B1 (en) * | 2009-08-31 | 2011-03-08 | Cirrus Logic, Inc. | Delta-sigma analog-to-digital converter (ADC) having a serialized quantizer output |
JP2013005204A (ja) * | 2011-06-16 | 2013-01-07 | Sony Corp | ビデオ送信装置、ビデオ受信装置、およびビデオ送信方法 |
US8643524B1 (en) | 2012-09-27 | 2014-02-04 | Cirrus Logic, Inc. | Feed-forward analog-to-digital converter (ADC) with a reduced number of amplifiers and feed-forward signal paths |
US9442141B2 (en) * | 2014-01-08 | 2016-09-13 | Qualcomm Technologies International, Ltd. | Analogue-to-digital converter |
US9240754B2 (en) | 2013-12-30 | 2016-01-19 | Qualcomm Technologies International, Ltd. | Frequency fine tuning |
US9391563B2 (en) | 2013-12-30 | 2016-07-12 | Qualcomm Technologies International, Ltd. | Current controlled transconducting inverting amplifiers |
WO2017114951A1 (en) * | 2015-12-31 | 2017-07-06 | Koninklijke Philips N.V. | Magnetic-resonance imaging data synchronizer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3439753A (en) * | 1966-04-19 | 1969-04-22 | Bell Telephone Labor Inc | Reduced bandwidth pulse modulation scheme using dual mode encoding in selected sub-block sampling periods |
US3631520A (en) * | 1968-08-19 | 1971-12-28 | Bell Telephone Labor Inc | Predictive coding of speech signals |
US3707680A (en) * | 1970-05-20 | 1972-12-26 | Communications Satellite Corp | Digital differential pulse code modulation system |
DE2131083C3 (de) * | 1971-06-23 | 1981-06-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Nachrichtenübertragungssystem |
GB1357165A (en) * | 1971-09-24 | 1974-06-19 | British Broadcasting Corp | Differential pulse-code modulation |
NL165014C (nl) * | 1973-09-03 | 1981-02-16 | Philips Nv | Transmissiestelsel met een zender en een ontvanger voor het met behulp van een pulscode overdragen van informatiesignalen. |
-
1975
- 1975-06-12 NL NLAANVRAGE7506987,A patent/NL174611C/xx not_active IP Right Cessation
-
1976
- 1976-05-27 US US05/690,647 patent/US4099122A/en not_active Expired - Lifetime
- 1976-06-02 DE DE2624622A patent/DE2624622C3/de not_active Expired
- 1976-06-03 CA CA254,001A patent/CA1081790A/en not_active Expired
- 1976-06-09 GB GB23881/76A patent/GB1552358A/en not_active Expired
- 1976-06-09 CH CH729676A patent/CH615308A5/de not_active IP Right Cessation
- 1976-06-09 SE SE7606457A patent/SE416009B/xx not_active IP Right Cessation
- 1976-06-09 BR BR7603682A patent/BR7603682A/pt unknown
- 1976-06-09 IT IT24120/76A patent/IT1061537B/it active
- 1976-06-09 DK DK256176A patent/DK146109C/da not_active IP Right Cessation
- 1976-06-10 BE BE167815A patent/BE842817A/xx not_active IP Right Cessation
- 1976-06-11 AU AU14838/76A patent/AU509525B2/en not_active Expired
- 1976-06-11 FR FR7617672A patent/FR2314628A1/fr active Granted
- 1976-06-12 JP JP51068252A patent/JPS6013342B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1061537B (it) | 1983-04-30 |
DK146109B (da) | 1983-06-27 |
DK256176A (da) | 1976-12-13 |
DK146109C (da) | 1983-11-21 |
AU509525B2 (en) | 1980-05-15 |
SE416009B (sv) | 1980-11-17 |
BR7603682A (pt) | 1977-02-01 |
NL7506987A (nl) | 1976-12-14 |
JPS51151007A (en) | 1976-12-25 |
FR2314628B1 (de) | 1979-06-01 |
GB1552358A (en) | 1979-09-12 |
JPS6013342B2 (ja) | 1985-04-06 |
CA1081790A (en) | 1980-07-15 |
DE2624622C3 (de) | 1980-10-23 |
US4099122A (en) | 1978-07-04 |
CH615308A5 (de) | 1980-01-15 |
FR2314628A1 (fr) | 1977-01-07 |
SE7606457L (sv) | 1976-12-13 |
NL174611C (nl) | 1984-07-02 |
AU1483876A (en) | 1977-12-15 |
NL174611B (nl) | 1984-02-01 |
DE2624622A1 (de) | 1976-12-30 |
DE2624622B2 (de) | 1980-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19850610 |