FR499212A - Improvements to radio signaling systems - Google Patents
Improvements to radio signaling systemsInfo
- Publication number
- FR499212A FR499212A FR499212A FR499212DA FR499212A FR 499212 A FR499212 A FR 499212A FR 499212 A FR499212 A FR 499212A FR 499212D A FR499212D A FR 499212DA FR 499212 A FR499212 A FR 499212A
- Authority
- FR
- France
- Prior art keywords
- signaling systems
- radio signaling
- radio
- systems
- signaling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/12—Frequency diversity
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20207—Multiple controlling elements for single controlled element
- Y10T74/20238—Interlocked
- Y10T74/20244—Push button
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92156A US1465961A (en) | 1916-04-19 | 1916-04-19 | Wireless signaling system |
US244839A US1465962A (en) | 1916-04-19 | 1918-07-15 | Wireless signaling system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR499212A true FR499212A (en) | 1920-02-04 |
Family
ID=26785336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR499212A Expired FR499212A (en) | 1916-04-19 | 1919-05-08 | Improvements to radio signaling systems |
Country Status (3)
Country | Link |
---|---|
US (1) | US1465962A (en) |
FR (1) | FR499212A (en) |
NL (1) | NL15249C (en) |
-
0
- NL NL15249D patent/NL15249C/xx active
-
1918
- 1918-07-15 US US244839A patent/US1465962A/en not_active Expired - Lifetime
-
1919
- 1919-05-08 FR FR499212A patent/FR499212A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL15249C (en) | |
US1465962A (en) | 1923-08-28 |
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