GB1251604A - - Google Patents
Info
- Publication number
- GB1251604A GB1251604A GB1251604DA GB1251604A GB 1251604 A GB1251604 A GB 1251604A GB 1251604D A GB1251604D A GB 1251604DA GB 1251604 A GB1251604 A GB 1251604A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- output
- analogue
- subtractor
- polarity
- Prior art date
- 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
- 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
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
- H03M1/44—Sequential comparisons in series-connected stages with change in value of analogue signal
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Analogue/Digital Conversion (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplitude Modulation (AREA)
- Amplifiers (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE662/68A SE305674B (US07943777-20110517-C00090.png) | 1968-01-18 | 1968-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1251604A true GB1251604A (US07943777-20110517-C00090.png) | 1971-10-27 |
Family
ID=20256914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1251604D Expired GB1251604A (US07943777-20110517-C00090.png) | 1968-01-18 | 1969-01-20 |
Country Status (5)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1012614A (en) * | 1974-09-30 | 1977-06-21 | Kamilo Feher | Timing technique for nrz data signals |
NL7609608A (nl) * | 1976-08-30 | 1978-03-02 | Philips Nv | Analoog-digitaal omzetter. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL181666B (nl) * | 1953-09-28 | Degussa | Inrichting voor het bereiden van ovenroet. | |
US2897275A (en) * | 1955-05-16 | 1959-07-28 | Bell Telephone Labor Inc | Delta modulation compander |
US3151296A (en) * | 1962-12-13 | 1964-09-29 | Douglas L Phyfe | Method and system for transmission of companded pulse code modulated information |
US3461244A (en) * | 1966-08-16 | 1969-08-12 | Bell Telephone Labor Inc | Delta modulation system with continuously variable compander |
-
1968
- 1968-01-18 SE SE662/68A patent/SE305674B/xx unknown
- 1968-12-30 FR FR1604183D patent/FR1604183A/fr not_active Expired
- 1968-12-30 US US787957A patent/US3638124A/en not_active Expired - Lifetime
-
1969
- 1969-01-10 DE DE19691901717 patent/DE1901717A1/de active Pending
- 1969-01-20 GB GB1251604D patent/GB1251604A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE305674B (US07943777-20110517-C00090.png) | 1968-11-04 |
FR1604183A (US07943777-20110517-C00090.png) | 1971-07-26 |
US3638124A (en) | 1972-01-25 |
DE1901717A1 (de) | 1969-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4914439A (en) | Analog to digital conversion system utilizing dither | |
US3500247A (en) | Non-linear pulse code modulation with threshold selected sampling | |
Kaneko | A unified formulation of segment companding laws and synthesis of codecs and digital compandors | |
KR850000881A (ko) | 신호 처리용 장치 | |
US3112449A (en) | Converter for converting alternating current signals to proportional constant polarity signals including compensating diode feedback | |
ES384413A1 (es) | Un dispositivo amplificador. | |
GB1251604A (US07943777-20110517-C00090.png) | ||
GB1113700A (en) | Encoders for electrical signals | |
ES384624A1 (es) | Un circuito de conversion de dos a cuatro hilos, para un centro de conmutacion de datos. | |
GB1036911A (en) | Improvements relating to digital subtracting apparatus | |
ES393619A1 (es) | Sistema de suspension de las mutuas perturbaciones ocasio- nadas por el emisor y receptor de un circuito telefonico. | |
GB1143423A (en) | Improvements in or relating to coding systems | |
JPS5612144A (en) | Dither | |
GB1051505A (US07943777-20110517-C00090.png) | ||
CN113938240B (zh) | 一种输出多种irig时间码的方法及装置 | |
GB1263832A (en) | Improvements in or relating to signalling systems | |
JPS5888924A (ja) | A/d変換回路 | |
JPS6360655A (ja) | 音声信号/ファクシミリ信号切換装置 | |
JPS5725770A (en) | Analog-to-digital converting circuit of solid state scanner | |
KR920006004Y1 (ko) | 과입력 검출회로 | |
KR930005386B1 (ko) | 디지탈 신호 압신기 | |
GB1228620A (US07943777-20110517-C00090.png) | ||
GB1168806A (en) | Coding System of a Serial Signal | |
JPS59122033A (ja) | 情報伝送装置 | |
GB717139A (en) | Improvements in or relating to voltage clamping circuit arrangements |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |