IN154636B - - Google Patents
Info
- Publication number
- IN154636B IN154636B IN35/CAL/76A IN35CA1976A IN154636B IN 154636 B IN154636 B IN 154636B IN 35CA1976 A IN35CA1976 A IN 35CA1976A IN 154636 B IN154636 B IN 154636B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49094943A JPS5123010A (xx) | 1974-08-21 | 1974-08-21 | |
| JP49102823A JPS5746261B2 (xx) | 1974-09-06 | 1974-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN154636B true IN154636B (xx) | 1984-11-24 |
Family
ID=26436167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN35/CAL/76A IN154636B (xx) | 1974-08-21 | 1976-01-05 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4015204A (xx) |
| AU (1) | AU499915B2 (xx) |
| BE (1) | BE837226A (xx) |
| CA (1) | CA1079877A (xx) |
| DE (1) | DE2536737A1 (xx) |
| FR (1) | FR2282760A1 (xx) |
| GB (1) | GB1515711A (xx) |
| IN (1) | IN154636B (xx) |
| IT (1) | IT1059832B (xx) |
| NL (1) | NL172290C (xx) |
| SE (1) | SE422643B (xx) |
| SU (1) | SU826984A3 (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4347619A (en) * | 1980-12-19 | 1982-08-31 | Discovision Associates | Digital formatting system |
| JPH0824380B2 (ja) * | 1982-08-04 | 1996-03-06 | ヨ−ゼフ・デイル | カラーテレビジョン信号を符号化して伝送する方法 |
| EP0110427B1 (de) * | 1982-12-07 | 1990-03-28 | Josef Dirr | Verfahren für die Übertragung von Nachrichten, bei dem die Codierung der Signale durch die Grösse der Amplituden der Halbwellen oder Perioden eines sinusförmigen Wechselstromes erfolgt |
| FR2554998B1 (fr) * | 1983-11-15 | 1986-06-27 | Michel Max | Procede et dispositif de modulation pour la transmission simultanee de signaux analogiques et de signaux numeriques |
| US4706150A (en) * | 1984-06-29 | 1987-11-10 | International Business Machines Corporation | Switching protocal for multiple autonomous switching planes |
| FR2684507B1 (fr) * | 1991-11-29 | 1994-09-30 | Sagem | Modem semi-duplex pour reseau de radiotelephones gsm. |
| US6167241A (en) * | 1996-10-28 | 2000-12-26 | Int Labs, Inc. | Technique for performing amplitude modulation without cheating side-bands |
| US7535964B2 (en) * | 2005-08-31 | 2009-05-19 | Maxim Integrated Products, Inc. | Self-clocked two-level differential signaling methods and apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1174375B (de) * | 1962-06-07 | 1964-07-23 | Standard Elektrik Lorenz Ag | Verfahren zur UEbertragung von Nachrichten innerhalb eines kontinuierlichen Wellenzuges mittels eines Seriencodes |
| US3497618A (en) * | 1966-08-19 | 1970-02-24 | Digicom Inc | Binary data transmission system with switching between positive and negative sinusoids at binary transition points |
| US3779321A (en) * | 1972-06-30 | 1973-12-18 | Teletype Corp | Data transmitting systems |
| JPS5010906A (xx) * | 1973-05-28 | 1975-02-04 | ||
| US3885217A (en) * | 1973-07-11 | 1975-05-20 | Computer Specifics Corp | Data transmission system |
-
1975
- 1975-08-08 NL NLAANVRAGE7509510,A patent/NL172290C/xx not_active IP Right Cessation
- 1975-08-08 US US05/603,227 patent/US4015204A/en not_active Expired - Lifetime
- 1975-08-12 GB GB33582/75A patent/GB1515711A/en not_active Expired
- 1975-08-15 SE SE7509172A patent/SE422643B/xx unknown
- 1975-08-18 DE DE19752536737 patent/DE2536737A1/de not_active Ceased
- 1975-08-19 CA CA233,708A patent/CA1079877A/en not_active Expired
- 1975-08-20 SU SU752167208A patent/SU826984A3/ru active
- 1975-08-20 AU AU84141/75A patent/AU499915B2/en not_active Expired
- 1975-08-20 FR FR7525748A patent/FR2282760A1/fr active Granted
- 1975-08-20 IT IT69108/75A patent/IT1059832B/it active
- 1975-12-31 BE BE163234A patent/BE837226A/xx unknown
-
1976
- 1976-01-05 IN IN35/CAL/76A patent/IN154636B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2282760B1 (xx) | 1983-01-21 |
| FR2282760A1 (fr) | 1976-03-19 |
| IT1059832B (it) | 1982-06-21 |
| AU8414175A (en) | 1977-02-24 |
| BE837226A (fr) | 1976-04-16 |
| US4015204A (en) | 1977-03-29 |
| SE422643B (sv) | 1982-03-15 |
| SE7509172L (sv) | 1976-02-23 |
| NL7509510A (nl) | 1976-02-24 |
| SU826984A3 (ru) | 1981-04-30 |
| NL172290C (nl) | 1983-08-01 |
| DE2536737A1 (de) | 1976-03-04 |
| AU499915B2 (en) | 1979-05-03 |
| CA1079877A (en) | 1980-06-17 |
| GB1515711A (en) | 1978-06-28 |