JPS424681B1 - - Google Patents
Info
- Publication number
- JPS424681B1 JPS424681B1 JP7407164A JP7407164A JPS424681B1 JP S424681 B1 JPS424681 B1 JP S424681B1 JP 7407164 A JP7407164 A JP 7407164A JP 7407164 A JP7407164 A JP 7407164A JP S424681 B1 JPS424681 B1 JP S424681B1
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US334453A US3319005A (en) | 1963-12-30 | 1963-12-30 | Conference circuit for time division telephone system utilizing multiple storage cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS424681B1 true JPS424681B1 (ja) | 1967-02-25 |
Family
ID=23307277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7407164A Pending JPS424681B1 (ja) | 1963-12-30 | 1964-12-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3319005A (ja) |
| JP (1) | JPS424681B1 (ja) |
| BE (1) | BE657720A (ja) |
| DE (1) | DE1266823B (ja) |
| FR (1) | FR1420062A (ja) |
| GB (1) | GB1088702A (ja) |
| NL (1) | NL6414797A (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1197132B (de) * | 1964-01-28 | 1965-07-22 | Siemens Ag | Schaltungsanordnung fuer ein nach dem Zeit-multiplexprinzip arbeitendes Vermittlungs-system, insbesondere Nebenstellen-vermittlungssystem |
| DE1255734B (de) * | 1964-09-15 | 1967-12-07 | Siemens Ag | Schaltungsanordnung fuer ein nach dem Zeitmultiplexprinzip arbeitendes Vermittlungssystem |
| DE1245438B (de) * | 1965-01-14 | 1967-07-27 | Siemens Ag | Schaltungsanordnung fuer Zeitmultiplexvermittlungen fuer Fernmelde-, insbesondere Fernsprechzwecke |
| US3692947A (en) * | 1970-12-21 | 1972-09-19 | Bell Telephone Labor Inc | Time division switching system conference circuit |
| US3761624A (en) * | 1972-07-31 | 1973-09-25 | Bell Telephone Labor Inc | Time division signal transfer network |
| US3825693A (en) * | 1972-09-25 | 1974-07-23 | Tele Resources Inc | Time division multiplex branch exchange |
| FR2314631A1 (fr) * | 1975-06-11 | 1977-01-07 | Jeumont Schneider | Procede et dispositif d'elimination de l'effet local d'un poste telephonique |
| US4024349A (en) * | 1976-04-22 | 1977-05-17 | Bell Telephone Laboratories, Incorporated | Quasi-resonant transfer conferencing circuit |
| WO1980002095A1 (en) * | 1979-03-23 | 1980-10-02 | Small World Exchange Inc | Telephone-conferencing apparatus and method |
| US4305149A (en) * | 1979-03-23 | 1981-12-08 | Small World Exchange, Inc. | Conferencing method and apparatus with multiplexed analog signals |
| US9680372B1 (en) * | 2014-11-10 | 2017-06-13 | Rantec Power Systems, Inc. | Hold up converter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB841555A (en) * | 1955-04-14 | 1960-07-20 | Post Office | Improvements in or relating to transmission systems |
| NL136417C (ja) * | 1956-12-13 | |||
| FR1251824A (fr) * | 1959-03-31 | 1961-01-20 | Ericsson Telefon Ab L M | Dispositif de connexion permettant de recharger un condensateur d'une tension arbitraire à une tension de référence |
-
1963
- 1963-12-30 US US334453A patent/US3319005A/en not_active Expired - Lifetime
-
1964
- 1964-12-18 NL NL6414797A patent/NL6414797A/xx unknown
- 1964-12-23 DE DEW38236A patent/DE1266823B/de active Pending
- 1964-12-23 GB GB52205/64A patent/GB1088702A/en not_active Expired
- 1964-12-29 BE BE657720D patent/BE657720A/xx unknown
- 1964-12-29 JP JP7407164A patent/JPS424681B1/ja active Pending
- 1964-12-30 FR FR496A patent/FR1420062A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6414797A (ja) | 1965-07-01 |
| BE657720A (ja) | 1965-04-16 |
| US3319005A (en) | 1967-05-09 |
| DE1266823B (de) | 1968-04-25 |
| GB1088702A (en) | 1967-10-25 |
| FR1420062A (fr) | 1965-12-03 |