GB2190753B - Measuring quartz crystal frequency - Google Patents
Measuring quartz crystal frequencyInfo
- Publication number
- GB2190753B GB2190753B GB8612661A GB8612661A GB2190753B GB 2190753 B GB2190753 B GB 2190753B GB 8612661 A GB8612661 A GB 8612661A GB 8612661 A GB8612661 A GB 8612661A GB 2190753 B GB2190753 B GB 2190753B
- Authority
- GB
- United Kingdom
- Prior art keywords
- quartz crystal
- crystal frequency
- measuring quartz
- measuring
- frequency
- 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
- 239000013078 crystal Substances 0.000 title 1
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
-
- 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
- G01R29/22—Measuring piezoelectric properties
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8612661A GB2190753B (en) | 1986-05-23 | 1986-05-23 | Measuring quartz crystal frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8612661A GB2190753B (en) | 1986-05-23 | 1986-05-23 | Measuring quartz crystal frequency |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8612661D0 GB8612661D0 (en) | 1986-07-02 |
GB2190753A GB2190753A (en) | 1987-11-25 |
GB2190753B true GB2190753B (en) | 1989-12-13 |
Family
ID=10598375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8612661A Expired GB2190753B (en) | 1986-05-23 | 1986-05-23 | Measuring quartz crystal frequency |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2190753B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4121411C1 (en) * | 1991-06-28 | 1993-02-04 | Wilfried Dr.-Ing. 6380 Bad Homburg De Schael | Measuring resonance frequencies of piezoelectric components - generating pulse marking time point of resonance on basis characteristic signal change using HF wobbulator controlled by LF probe signals |
CN111665392B (en) * | 2018-05-16 | 2022-06-10 | 浙江大学台州研究院 | High-precision frequency statistical calibration method for quartz wafer grinding |
-
1986
- 1986-05-23 GB GB8612661A patent/GB2190753B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2190753A (en) | 1987-11-25 |
GB8612661D0 (en) | 1986-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20040523 |