JPS503605B1 - - Google Patents
Info
- Publication number
- JPS503605B1 JPS503605B1 JP43019474A JP1947468A JPS503605B1 JP S503605 B1 JPS503605 B1 JP S503605B1 JP 43019474 A JP43019474 A JP 43019474A JP 1947468 A JP1947468 A JP 1947468A JP S503605 B1 JPS503605 B1 JP S503605B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
- H04J3/175—Speech activity or inactivity detectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Interface Circuits In Exchanges (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62605567A | 1967-03-27 | 1967-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS503605B1 true JPS503605B1 (ja) | 1975-02-07 |
Family
ID=24508766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43019474A Pending JPS503605B1 (ja) | 1967-03-27 | 1968-03-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3520999A (ja) |
| JP (1) | JPS503605B1 (ja) |
| BE (1) | BE712717A (ja) |
| ES (1) | ES352352A1 (ja) |
| FR (1) | FR1565735A (ja) |
| GB (1) | GB1216351A (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649766A (en) * | 1969-12-01 | 1972-03-14 | Bell Telephone Labor Inc | Digital speech detection system |
| US3878337A (en) * | 1970-03-13 | 1975-04-15 | Communications Satellite Corp | Device for speech detection independent of amplitude |
| US3660605A (en) * | 1970-04-15 | 1972-05-02 | Int Standard Electric Corp | Pulse code modulation switching system utilizing tasi |
| US3832491A (en) * | 1973-02-13 | 1974-08-27 | Communications Satellite Corp | Digital voice switch with an adaptive digitally-controlled threshold |
| US4052568A (en) * | 1976-04-23 | 1977-10-04 | Communications Satellite Corporation | Digital voice switch |
| US4028496A (en) * | 1976-08-17 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Digital speech detector |
| CA1130920A (en) * | 1979-03-05 | 1982-08-31 | William G. Crouse | Speech detector with variable threshold |
| US4352957A (en) * | 1980-03-17 | 1982-10-05 | Storage Technology Corporation | Speech detector circuit with associated gain control for a tasi system |
| US4365112A (en) * | 1980-03-17 | 1982-12-21 | Storage Technology Corporation | Speech detector circuit for a TASI system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057024A (en) * | 1962-06-27 | 1967-02-01 | Ass Elect Ind | Improvements relating to multiplex transmission systems |
-
1967
- 1967-03-27 US US626055A patent/US3520999A/en not_active Expired - Lifetime
-
1968
- 1968-03-19 GB GB03205/68A patent/GB1216351A/en not_active Expired
- 1968-03-25 BE BE712717D patent/BE712717A/xx unknown
- 1968-03-26 ES ES352352A patent/ES352352A1/es not_active Expired
- 1968-03-27 JP JP43019474A patent/JPS503605B1/ja active Pending
- 1968-03-27 FR FR1565735D patent/FR1565735A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES352352A1 (es) | 1969-07-01 |
| US3520999A (en) | 1970-07-21 |
| BE712717A (ja) | 1968-07-31 |
| FR1565735A (ja) | 1969-05-02 |
| DE1762036B2 (de) | 1972-10-19 |
| DE1762036A1 (de) | 1970-04-16 |
| GB1216351A (en) | 1970-12-23 |