JPS4515659B1 - - Google Patents
Info
- Publication number
- JPS4515659B1 JPS4515659B1 JP6944267A JP6944267A JPS4515659B1 JP S4515659 B1 JPS4515659 B1 JP S4515659B1 JP 6944267 A JP6944267 A JP 6944267A JP 6944267 A JP6944267 A JP 6944267A JP S4515659 B1 JPS4515659 B1 JP S4515659B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
- G01R23/09—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage using analogue integrators, e.g. capacitors establishing a mean value by balance of input signals and defined discharge signals or leakage
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US59067066A | 1966-10-31 | 1966-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4515659B1 true JPS4515659B1 (ja) | 1970-06-01 |
Family
ID=24363194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6944267A Pending JPS4515659B1 (ja) | 1966-10-31 | 1967-10-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3525938A (ja) |
| JP (1) | JPS4515659B1 (ja) |
| FR (1) | FR1543110A (ja) |
| GB (1) | GB1159468A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8915263D0 (en) * | 1989-07-03 | 1989-08-23 | Unilever Plc | Process for soap splitting using a high temperature treatment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3049631A (en) * | 1958-10-24 | 1962-08-14 | Raytheon Co | Frequency diode-rate counter circuits |
| US2955202A (en) * | 1958-12-04 | 1960-10-04 | George L Nankervis Company | Frequency measuring equipment |
| DE1167972B (de) * | 1960-03-23 | 1964-04-16 | Gossen & Co Gmbh P | Zeigerfrequenzmesser |
| US3219926A (en) * | 1960-09-15 | 1965-11-23 | Gen Motors Corp | Tachometer responsive to ignition pulses utilizing a zener diode-inductor filter |
| GB1026196A (en) * | 1961-10-23 | 1966-04-14 | Record Electrical Co Ltd | Improvements relating to frequency meters |
-
1966
- 1966-10-31 US US590670A patent/US3525938A/en not_active Expired - Lifetime
-
1967
- 1967-07-27 GB GB34603/67A patent/GB1159468A/en not_active Expired
- 1967-10-30 FR FR126426A patent/FR1543110A/fr not_active Expired
- 1967-10-30 JP JP6944267A patent/JPS4515659B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1543110A (fr) | 1968-10-18 |
| GB1159468A (en) | 1969-07-23 |
| US3525938A (en) | 1970-08-25 |