NL14485C - - Google Patents
Info
- Publication number
- NL14485C NL14485C NL14485DA NL14485C NL 14485 C NL14485 C NL 14485C NL 14485D A NL14485D A NL 14485DA NL 14485 C NL14485 C NL 14485C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22724/21A GB189233A (en) | 1921-08-26 | 1921-08-26 | Improvements in calling devices adapted to be operated by wireless signals |
Publications (1)
Publication Number | Publication Date |
---|---|
NL14485C true NL14485C (en) |
Family
ID=10184079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL14485D NL14485C (en) | 1921-08-26 |
Country Status (4)
Country | Link |
---|---|
US (1) | US1763390A (en) |
DE (1) | DE411059C (en) |
GB (1) | GB189233A (en) |
NL (1) | NL14485C (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424579A (en) * | 1943-03-10 | 1947-07-29 | Int Standard Electric Corp | Electric signaling system |
US2446943A (en) * | 1944-10-28 | 1948-08-10 | S S Baker | Automatic radio call apparatus |
US2564692A (en) * | 1945-11-14 | 1951-08-21 | Conrad H Hoeppner | Pulse group discriminator |
US2604531A (en) * | 1946-12-21 | 1952-07-22 | Wurlitzer Co | Impulse remote control system |
US2678437A (en) * | 1949-04-27 | 1954-05-11 | Gen Railway Signal Co | Air traffic control system |
DE934478C (en) * | 1950-06-15 | 1955-10-27 | Lorenz C Ag | Selective call system |
US2658172A (en) * | 1951-09-20 | 1953-11-03 | Rca Corp | Switching control system |
US2950463A (en) * | 1954-06-08 | 1960-08-23 | Hazeltine Research Inc | Pulse-translating system |
-
0
- NL NL14485D patent/NL14485C/xx active
-
1921
- 1921-08-26 GB GB22724/21A patent/GB189233A/en not_active Expired
-
1922
- 1922-06-29 DE DEM78244D patent/DE411059C/en not_active Expired
- 1922-08-17 US US582521A patent/US1763390A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1763390A (en) | 1930-06-10 |
DE411059C (en) | 1925-03-23 |
GB189233A (en) | 1922-11-27 |