FR882420A - - Google Patents
Info
- Publication number
- FR882420A FR882420A FR882420DA FR882420A FR 882420 A FR882420 A FR 882420A FR 882420D A FR882420D A FR 882420DA FR 882420 A FR882420 A FR 882420A
- Authority
- FR
- France
- 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
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2454809X | 1941-06-10 | ||
| GB398643A GB563666A (en) | 1943-03-11 | 1943-03-11 | Improvements in or relating to automatic or semi-automatic telephone or like exchange systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR882420A true FR882420A (en) | 1943-06-18 |
Family
ID=33099943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR882420D Expired FR882420A (en) | 1941-06-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2454809A (en) |
| FR (1) | FR882420A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098397A (en) * | 1975-03-17 | 1978-07-04 | Mann Jr William | Multi chambered thermal container |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2597007A (en) * | 1942-03-31 | 1952-05-20 | Int Standard Electric Corp | Common control circuit for operating switches rearward to calling line |
| US2583014A (en) * | 1942-06-12 | 1952-01-22 | Int Standard Electric Corp | Automatic control of final selectors |
| US2553553A (en) * | 1942-09-07 | 1951-05-22 | Int Standard Electric Corp | Selector switching system |
| US2598822A (en) * | 1945-10-13 | 1952-06-03 | Roelof M M Oberman | Signaling system with private branch exchange subscriber |
| NL138284B (en) * | 1948-01-08 | |||
| US2640883A (en) * | 1948-09-11 | 1953-06-02 | Hartford Nat Bank & Trust Co | Marker control arrangement for selectors |
| NL81976C (en) * | 1949-06-02 | |||
| NL87558C (en) * | 1949-06-24 | |||
| NL88314C (en) * | 1949-06-30 | |||
| NL74001C (en) * | 1949-10-07 | |||
| US2688659A (en) * | 1949-10-31 | 1954-09-07 | Hartford Nat Bank & Trust Co | Circuit-arrangement for use in automatic signaling systems for numerical adjustment of a switch by a selective marking method |
| BE500637A (en) * | 1950-01-16 | |||
| US2896198A (en) * | 1953-04-28 | 1959-07-21 | Hughes Aircraft Co | Electrical analog-to-digital converter |
| US3508001A (en) * | 1966-06-24 | 1970-04-21 | P & H Electronics | Electric retrieval system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL58220C (en) * | 1943-03-11 |
-
0
- FR FR882420D patent/FR882420A/fr not_active Expired
-
1943
- 1943-01-16 US US472624A patent/US2454809A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098397A (en) * | 1975-03-17 | 1978-07-04 | Mann Jr William | Multi chambered thermal container |
Also Published As
| Publication number | Publication date |
|---|---|
| US2454809A (en) | 1948-11-30 |