CH269664A - At least semi-automatic telecommunications system with switches driven by a motor. - Google Patents
At least semi-automatic telecommunications system with switches driven by a motor.Info
- Publication number
 - CH269664A CH269664A CH269664DA CH269664A CH 269664 A CH269664 A CH 269664A CH 269664D A CH269664D A CH 269664DA CH 269664 A CH269664 A CH 269664A
 - Authority
 - CH
 - Switzerland
 - Prior art keywords
 - semi
 - motor
 - telecommunications system
 - switches driven
 - automatic telecommunications
 - Prior art date
 
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 | 
|---|---|
| CH269664A true CH269664A (en) | 1950-07-15 | 
Family
ID=19874732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| CH269664D CH269664A (en) | 1947-01-07 | 1948-03-12 | At least semi-automatic telecommunications system with switches driven by a motor. | 
Country Status (5)
| Country | Link | 
|---|---|
| US (1) | US2557638A (en) | 
| BE (1) | BE478817A (en) | 
| CH (1) | CH269664A (en) | 
| FR (1) | FR970842A (en) | 
| NL (1) | NL69440C (en) | 
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/en unknown
 - 1948-07-29 FR FR970842D patent/FR970842A/en not_active Expired
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| US2557638A (en) | 1951-06-19 | 
| FR970842A (en) | 1951-01-09 | 
| NL69440C (en) | |
| BE478817A (en) | 
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