GB8800869D0 - Voltmeters - Google Patents
VoltmetersInfo
- Publication number
- GB8800869D0 GB8800869D0 GB888800869A GB8800869A GB8800869D0 GB 8800869 D0 GB8800869 D0 GB 8800869D0 GB 888800869 A GB888800869 A GB 888800869A GB 8800869 A GB8800869 A GB 8800869A GB 8800869 D0 GB8800869 D0 GB 8800869D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltmeters
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
- G01R5/28—Electrostatic instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing For Electrophotography (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8800869A GB2214644B (en) | 1988-01-15 | 1988-01-15 | Voltmeters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8800869A GB2214644B (en) | 1988-01-15 | 1988-01-15 | Voltmeters |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8800869D0 true GB8800869D0 (en) | 1988-02-17 |
GB2214644A GB2214644A (en) | 1989-09-06 |
GB2214644B GB2214644B (en) | 1991-11-27 |
Family
ID=10630008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8800869A Expired - Fee Related GB2214644B (en) | 1988-01-15 | 1988-01-15 | Voltmeters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2214644B (en) |
-
1988
- 1988-01-15 GB GB8800869A patent/GB2214644B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2214644B (en) | 1991-11-27 |
GB2214644A (en) | 1989-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee | ||
728C | Application made for restoration (sect. 28/1977) | ||
728A | Order made restoring the patent (sect. 28/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970115 |