BE478817A - - Google Patents
Info
- Publication number
- BE478817A BE478817A BE478817DA BE478817A BE 478817 A BE478817 A BE 478817A BE 478817D A BE478817D A BE 478817DA BE 478817 A BE478817 A BE 478817A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/02—Multi-position wiper switches
- H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
- H01H67/06—Rotary switches, i.e. having angularly movable wipers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Motor And Converter Starters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2557638X | 1947-01-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478817A true BE478817A (pt) |
Family
ID=19874732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478817D BE478817A (pt) | 1947-01-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2557638A (pt) |
| BE (1) | BE478817A (pt) |
| CH (1) | CH269664A (pt) |
| FR (1) | FR970842A (pt) |
| NL (1) | NL69440C (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269523A (en) * | 1978-04-10 | 1981-05-26 | Kay Joel Brian | Pencils and pencil caps |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2068726A (en) * | 1937-01-26 | Telephone system | ||
| GB181826A (en) * | 1921-10-19 | 1922-06-19 | Fritz Aldendorff | Electromechanically controlled telephone system |
| US1799485A (en) * | 1928-12-10 | 1931-04-07 | Reserve Holding Co | Telephone system |
| US2419540A (en) * | 1943-08-28 | 1947-04-29 | Int Standard Electric Corp | Telecommunication switching system |
-
0
- NL NL69440D patent/NL69440C/xx active
- BE BE478817D patent/BE478817A/xx unknown
-
1948
- 1948-02-27 US US11403A patent/US2557638A/en not_active Expired - Lifetime
- 1948-03-12 CH CH269664D patent/CH269664A/de unknown
- 1948-07-29 FR FR970842D patent/FR970842A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2557638A (en) | 1951-06-19 |
| FR970842A (fr) | 1951-01-09 |
| CH269664A (de) | 1950-07-15 |
| NL69440C (pt) |