BE466586A - - Google Patents
Info
- Publication number
- BE466586A BE466586A BE466586DA BE466586A BE 466586 A BE466586 A BE 466586A BE 466586D A BE466586D A BE 466586DA BE 466586 A BE466586 A BE 466586A
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
-
- 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)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US500412A US2454780A (en) | 1943-08-28 | 1943-08-28 | Telecommunication switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE466586A true BE466586A (fr) |
Family
ID=23989303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466586D BE466586A (fr) | 1943-08-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2454780A (fr) |
| BE (1) | BE466586A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2564062A (en) * | 1949-11-25 | 1951-08-14 | Automatic Elect Lab | Selective signaling system employing condenser charge |
| US2961641A (en) * | 1958-03-19 | 1960-11-22 | Schlumberger Well Surv Corp | Pulse height analyzer apparatus |
| US3051901A (en) * | 1958-06-24 | 1962-08-28 | Bell Telephone Labor Inc | Encoder for pulse code modulation |
| US3082405A (en) * | 1958-10-15 | 1963-03-19 | Richard J Hanak | Electrical systems |
| US3675205A (en) * | 1969-04-08 | 1972-07-04 | Midwest Communications & Audio | System for selection and remote control with sequential decoding having plural decoding stages |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2002219A (en) * | 1935-05-21 | Telephone system | ||
| US1631625A (en) * | 1923-01-30 | 1927-06-07 | Gen Electric | Regulating method and apparatus |
| US1982290A (en) * | 1927-12-24 | 1934-11-27 | John E Gardner | Selecting system |
| US1819599A (en) * | 1929-01-28 | 1931-08-18 | Oliver T Francis | Transmission system |
| US2060184A (en) * | 1935-11-21 | 1936-11-10 | Bell Telephone Labor Inc | Telephone system |
| DE704414C (de) * | 1936-09-27 | 1941-03-29 | Zwietusch E & Co Gmbh | Schaltspeicher, insbesondere Zahlengeber fuer Fernsprechanlagen |
| US2294464A (en) * | 1938-04-09 | 1942-09-01 | Bell Telephone Labor Inc | Impulse transmitter |
| US2306087A (en) * | 1941-06-19 | 1942-12-22 | Bell Telephone Labor Inc | Key pulsing register circuit |
-
0
- BE BE466586D patent/BE466586A/xx unknown
-
1943
- 1943-08-28 US US500412A patent/US2454780A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2454780A (en) | 1948-11-30 |