BE538091A - - Google Patents
Info
- Publication number
- BE538091A BE538091A BE538091DA BE538091A BE 538091 A BE538091 A BE 538091A BE 538091D A BE538091D A BE 538091DA BE 538091 A BE538091 A BE 538091A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- 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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003805X | 1954-05-12 | ||
| NL793544X | 1954-05-12 | ||
| NL1131522X | 1954-05-12 | ||
| NL2831178X | 1954-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538091A true BE538091A (es) |
Family
ID=27483832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538091D BE538091A (es) | 1954-05-12 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2831178A (es) |
| BE (1) | BE538091A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE563510A (es) * | 1956-12-28 | |||
| US3281791A (en) * | 1960-03-07 | 1966-10-25 | Sargrove Electronics Ltd | Electronic remote indicating and/or controlling apparatus |
| US3157871A (en) * | 1960-03-21 | 1964-11-17 | R A Macplum Ind Inc | Shopping cart provided with radio receiving apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2505577A (en) * | 1946-08-15 | 1950-04-25 | Gen Electric | Vane controlled oscillator |
| FR953214A (es) * | 1946-09-27 | |||
| US2715718A (en) * | 1954-05-13 | 1955-08-16 | Gen Radio Co | Voltage-selection and comparison system and method |
-
0
- BE BE538091D patent/BE538091A/xx unknown
-
1955
- 1955-04-05 US US499482A patent/US2831178A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2831178A (en) | 1958-04-15 |