FR1311474A - Dispositif de signalisation téléphonique à modulation par impulsions codées - Google Patents
Dispositif de signalisation téléphonique à modulation par impulsions codéesInfo
- Publication number
- FR1311474A FR1311474A FR880210A FR880210A FR1311474A FR 1311474 A FR1311474 A FR 1311474A FR 880210 A FR880210 A FR 880210A FR 880210 A FR880210 A FR 880210A FR 1311474 A FR1311474 A FR 1311474A
- Authority
- FR
- France
- Prior art keywords
- signaling device
- pulse code
- code modulation
- telephone signaling
- modulation telephone
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79682A US3030448A (en) | 1960-12-30 | 1960-12-30 | Pcm telephone signaling |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1311474A true FR1311474A (fr) | 1962-12-07 |
Family
ID=22152124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR880210A Expired FR1311474A (fr) | 1960-12-30 | 1961-11-27 | Dispositif de signalisation téléphonique à modulation par impulsions codées |
Country Status (8)
Country | Link |
---|---|
US (1) | US3030448A (fr) |
BE (1) | BE612005A (fr) |
CH (1) | CH417699A (fr) |
DE (1) | DE1176190B (fr) |
ES (1) | ES272907A1 (fr) |
FR (1) | FR1311474A (fr) |
GB (1) | GB967643A (fr) |
NL (2) | NL136804C (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3359372A (en) * | 1967-12-19 | De burro | ||
US3165588A (en) * | 1960-11-25 | 1965-01-12 | Holzer Johann | Tune division multiplex digital communication system employing delta modulation |
NL291133A (fr) * | 1962-04-24 | |||
US3359373A (en) * | 1966-05-24 | 1967-12-19 | Bell Telephone Labor Inc | Pcm telephone signaling with timedivided signaling digit spaces |
US3524938A (en) * | 1966-11-21 | 1970-08-18 | Vicom Corp | Output circuit for pulse code modulation time sharing system |
US3922495A (en) * | 1974-04-24 | 1975-11-25 | Bell Telephone Labor Inc | Digital signaling on a pulse code modulation transmission system |
US4730312A (en) * | 1986-02-21 | 1988-03-08 | San/Bar Corporation | Voice, data or both over one telephone line in a T-1 carrier system |
-
0
- NL NL271274D patent/NL271274A/xx unknown
- NL NL136804D patent/NL136804C/xx active
-
1960
- 1960-12-30 US US79682A patent/US3030448A/en not_active Expired - Lifetime
-
1961
- 1961-11-27 FR FR880210A patent/FR1311474A/fr not_active Expired
- 1961-11-29 CH CH1388961A patent/CH417699A/de unknown
- 1961-12-05 ES ES0272907A patent/ES272907A1/es not_active Expired
- 1961-12-12 DE DEW31258A patent/DE1176190B/de active Pending
- 1961-12-14 GB GB44754/61A patent/GB967643A/en not_active Expired
- 1961-12-27 BE BE612005A patent/BE612005A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US3030448A (en) | 1962-04-17 |
BE612005A (fr) | 1962-04-16 |
ES272907A1 (es) | 1962-03-01 |
CH417699A (de) | 1966-07-31 |
NL271274A (fr) | |
NL136804C (fr) | |
DE1176190B (de) | 1964-08-20 |
GB967643A (en) | 1964-08-26 |
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