FR2252618B1 - - Google Patents
Info
- Publication number
- FR2252618B1 FR2252618B1 FR7438609A FR7438609A FR2252618B1 FR 2252618 B1 FR2252618 B1 FR 2252618B1 FR 7438609 A FR7438609 A FR 7438609A FR 7438609 A FR7438609 A FR 7438609A FR 2252618 B1 FR2252618 B1 FR 2252618B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
-
- 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
- H03M1/34—Analogue value compared with reference values
- H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
- H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13191473A JPS5081715A (fr) | 1973-11-23 | 1973-11-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2252618A1 FR2252618A1 (fr) | 1975-06-20 |
FR2252618B1 true FR2252618B1 (fr) | 1978-06-16 |
Family
ID=15069124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7438609A Expired FR2252618B1 (fr) | 1973-11-23 | 1974-11-25 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3949170A (fr) |
JP (1) | JPS5081715A (fr) |
AT (1) | AT351090B (fr) |
BR (1) | BR7409828A (fr) |
CA (1) | CA1030265A (fr) |
DE (1) | DE2455052C2 (fr) |
ES (1) | ES432201A1 (fr) |
FR (1) | FR2252618B1 (fr) |
GB (1) | GB1483383A (fr) |
IT (1) | IT1025944B (fr) |
NL (1) | NL7415359A (fr) |
SE (1) | SE400435B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4034367A (en) * | 1974-02-28 | 1977-07-05 | Yokogawa Electric Works, Ltd. | Analog-to-digital converter utilizing a random noise source |
JPS558052B2 (fr) * | 1975-01-23 | 1980-03-01 | ||
JPS522317A (en) * | 1975-06-24 | 1977-01-10 | Sony Corp | Video signal transmitting system |
US4217574A (en) * | 1976-08-09 | 1980-08-12 | Gte Laboratories Incorporated | Analog to digital converter having nonlinear amplitude transformation |
DE2821952A1 (de) * | 1977-05-20 | 1978-11-23 | Nippon Kogaku Kk | Anzeigeschaltung |
DE2821988A1 (de) * | 1977-05-20 | 1978-12-21 | Nippon Kogaku Kk | Anzeigevorrichtung |
JPS5441061A (en) * | 1977-09-08 | 1979-03-31 | Sony Corp | Analogue/digital converter |
US4419657A (en) * | 1978-02-24 | 1983-12-06 | Federal Screw Works | Speech digitization system |
JPS54157412A (en) * | 1978-06-01 | 1979-12-12 | Okamura Shiro | Code communication device |
US4220275A (en) * | 1978-07-31 | 1980-09-02 | The Boeing Company | Fastener selection system |
US4288873A (en) * | 1979-11-23 | 1981-09-08 | International Standard Electric Corporation | Analogue to digital converters |
US4447803A (en) * | 1980-01-09 | 1984-05-08 | Tektronix, Inc. | Offset digital dither generator |
DE3015141C2 (de) * | 1980-04-19 | 1985-10-03 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Farbfernseh-Empfänger mit mindestens einer integrierten Schaltung für das Luminanzsignal und die Chrominanzsignale |
JPS5793726A (en) * | 1980-12-03 | 1982-06-10 | Sony Corp | A/d converter |
FR2497616A1 (fr) * | 1981-01-07 | 1982-07-09 | Tektronix Inc | Generateur de vibrations numeriques corrigees |
DE3169326D1 (de) * | 1981-04-03 | 1985-04-25 | Itt Ind Gmbh Deutsche | Parallel ad converter |
US4393372A (en) * | 1982-03-08 | 1983-07-12 | Itt Industries, Inc. | Parallel analog-to-digital converter |
JPS5977605A (ja) * | 1982-10-26 | 1984-05-04 | Sansui Electric Co | 読取りクロツク生成方式 |
US4543599A (en) * | 1983-05-25 | 1985-09-24 | Rca Corporation | Analog-to-digital conversion apparatus including double dither signal sources |
US4647968A (en) * | 1984-12-03 | 1987-03-03 | Rca Corporation | Analog-to-digital conversion system as for a narrow bandwidth signal processor |
US4868895A (en) * | 1986-12-29 | 1989-09-19 | The Grass Valley Group, Inc. | Optical device copensator |
DE3822172C2 (de) * | 1988-06-30 | 1998-03-26 | Linde Ag | Verfahren zum Schutz eines Hydraulikkreislaufes vor Überlastung |
DE102007043388B4 (de) * | 2007-09-12 | 2013-08-22 | Knick Elektronische Messgeräte GmbH & Co. KG | Verfahren zur Auflösungserhöhung eines A/D-Wandlers sowie elektronische Schaltung zur Umsetzung dieses Verfahrens |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB873926A (en) * | 1959-09-03 | 1961-08-02 | Standard Telephones Cables Ltd | Improvements in or relating to electric pulse code systems of communications |
US3244808A (en) * | 1962-01-12 | 1966-04-05 | Massachusetts Inst Technology | Pulse code modulation with few amplitude steps |
GB1218015A (en) * | 1967-03-13 | 1971-01-06 | Nat Res Dev | Improvements in or relating to systems for transmitting television signals |
FR2077475B1 (fr) * | 1969-12-31 | 1976-07-23 | Radiotechnique Compelec | |
US3656152A (en) * | 1970-02-16 | 1972-04-11 | Hughes Aircraft Co | Improved a-d/d-a converter system |
US3739082A (en) * | 1972-02-29 | 1973-06-12 | Us Army | Ordered dither system |
-
1973
- 1973-11-23 JP JP13191473A patent/JPS5081715A/ja active Pending
-
1974
- 1974-11-18 US US05/524,810 patent/US3949170A/en not_active Expired - Lifetime
- 1974-11-19 GB GB5012874A patent/GB1483383A/en not_active Expired
- 1974-11-20 DE DE2455052A patent/DE2455052C2/de not_active Expired
- 1974-11-21 AT AT934274A patent/AT351090B/de not_active IP Right Cessation
- 1974-11-22 BR BR982874A patent/BR7409828A/pt unknown
- 1974-11-22 ES ES432201A patent/ES432201A1/es not_active Expired
- 1974-11-22 IT IT2974974A patent/IT1025944B/it active
- 1974-11-22 SE SE7414694A patent/SE400435B/xx not_active IP Right Cessation
- 1974-11-22 CA CA214,465A patent/CA1030265A/fr not_active Expired
- 1974-11-25 NL NL7415359A patent/NL7415359A/xx not_active Application Discontinuation
- 1974-11-25 FR FR7438609A patent/FR2252618B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3949170A (en) | 1976-04-06 |
CA1030265A (fr) | 1978-04-25 |
ATA934274A (de) | 1978-12-15 |
NL7415359A (nl) | 1975-05-27 |
FR2252618A1 (fr) | 1975-06-20 |
ES432201A1 (es) | 1976-11-01 |
AT351090B (de) | 1979-07-10 |
DE2455052A1 (de) | 1975-05-28 |
AU7556974A (en) | 1976-05-20 |
SE400435B (sv) | 1978-03-20 |
DE2455052C2 (de) | 1986-06-26 |
BR7409828A (pt) | 1976-05-25 |
JPS5081715A (fr) | 1975-07-02 |
SE7414694L (fr) | 1975-05-26 |
GB1483383A (en) | 1977-08-17 |
IT1025944B (it) | 1978-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |