GB295997A - Improvements in and relating to apparatus for amplifying electrical impulses - Google Patents
Improvements in and relating to apparatus for amplifying electrical impulsesInfo
- Publication number
- GB295997A GB295997A GB23523/28A GB2352328A GB295997A GB 295997 A GB295997 A GB 295997A GB 23523/28 A GB23523/28 A GB 23523/28A GB 2352328 A GB2352328 A GB 2352328A GB 295997 A GB295997 A GB 295997A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- piezo
- battery
- gas
- relating
- 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
- 239000011800 void material Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R9/00—Instruments employing mechanical resonance
- G01R9/04—Instruments employing mechanical resonance using vibrating reeds, e.g. for measuring frequency
- G01R9/08—Instruments employing mechanical resonance using vibrating reeds, e.g. for measuring frequency piezoelectrically driven
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/34—One or more circuit elements structurally associated with the tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/78—One or more circuit elements structurally associated with the tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21456127A | 1927-08-22 | 1927-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB295997A true GB295997A (en) | 1929-04-18 |
Family
ID=22799556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23523/28A Expired GB295997A (en) | 1927-08-22 | 1928-08-15 | Improvements in and relating to apparatus for amplifying electrical impulses |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE353651A (cs) |
| FR (1) | FR658399A (cs) |
| GB (1) | GB295997A (cs) |
-
0
- BE BE353651D patent/BE353651A/xx unknown
-
1928
- 1928-07-30 FR FR658399D patent/FR658399A/fr not_active Expired
- 1928-08-15 GB GB23523/28A patent/GB295997A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR658399A (fr) | 1929-06-14 |
| BE353651A (cs) |
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