BE466588A - - Google Patents
Info
- Publication number
- BE466588A BE466588A BE466588DA BE466588A BE 466588 A BE466588 A BE 466588A BE 466588D A BE466588D A BE 466588DA BE 466588 A BE466588 A BE 466588A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/924—Coupled nut and bolt
- Y10S411/929—Thread lock
- Y10S411/937—Distorted nut
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US532143A US2410050A (en) | 1944-04-21 | 1944-04-21 | Telecommunication switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE466588A true BE466588A (xx) |
Family
ID=27789262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466588D BE466588A (xx) | 1944-04-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2410050A (xx) |
| BE (1) | BE466588A (xx) |
| GB (1) | GB596444A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3005055A (en) * | 1957-10-08 | 1961-10-17 | Bell Telephone Labor Inc | Tilting dial circuit selector |
| DE1258915B (de) * | 1964-11-18 | 1968-01-18 | Siemens Ag | Schaltungsanordnung zur UEbertragung von Stromstossreihen in Fernmelde-, insbesondere Fernsprechanlagen |
| US3441679A (en) * | 1965-09-22 | 1969-04-29 | Bell Telephone Labor Inc | Potential sensing pbx class-of-service selector circuit |
-
0
- BE BE466588D patent/BE466588A/xx unknown
-
1944
- 1944-04-21 US US532143A patent/US2410050A/en not_active Expired - Lifetime
-
1945
- 1945-03-02 GB GB5242/45A patent/GB596444A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2410050A (en) | 1946-10-29 |
| GB596444A (en) | 1948-01-05 |