JPS52156572U - - Google Patents
Info
- Publication number
- JPS52156572U JPS52156572U JP7068577U JP7068577U JPS52156572U JP S52156572 U JPS52156572 U JP S52156572U JP 7068577 U JP7068577 U JP 7068577U JP 7068577 U JP7068577 U JP 7068577U JP S52156572 U JPS52156572 U JP S52156572U
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15032471A | 1971-06-07 | 1971-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS52156572U true JPS52156572U (enExample) | 1977-11-28 |
Family
ID=22534041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7068577U Pending JPS52156572U (enExample) | 1971-06-07 | 1977-05-31 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS52156572U (enExample) |
| CA (1) | CA954189A (enExample) |
| DE (1) | DE2227741A1 (enExample) |
| FR (1) | FR2140397B1 (enExample) |
| GB (1) | GB1380140A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT365384B (de) * | 1979-10-10 | 1982-01-11 | Elin Union Ag | Schaltungsanordnung zur ermittlung der resonanz- frequenz von lastgefuehrten schwingkreisumrichtern |
| DE3719505A1 (de) * | 1987-06-11 | 1988-12-22 | Telefunken Electronic Gmbh | Freuquenz/spannungswandler |
| CN104166045B (zh) * | 2013-05-15 | 2016-12-28 | 海洋王（东莞）照明科技有限公司 | 一种交流电源频率检测装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535658A (en) * | 1967-06-27 | 1970-10-20 | Webb James E | Frequency to analog converter |
-
1972
- 1972-03-17 CA CA137,393A patent/CA954189A/en not_active Expired
- 1972-03-17 GB GB1272572A patent/GB1380140A/en not_active Expired
- 1972-05-15 FR FR7217235A patent/FR2140397B1/fr not_active Expired
- 1972-06-07 DE DE19722227741 patent/DE2227741A1/de active Pending
-
1977
- 1977-05-31 JP JP7068577U patent/JPS52156572U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535658A (en) * | 1967-06-27 | 1970-10-20 | Webb James E | Frequency to analog converter |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2140397A1 (enExample) | 1973-01-19 |
| FR2140397B1 (enExample) | 1976-01-16 |
| DE2227741A1 (de) | 1972-12-14 |
| CA954189A (en) | 1974-09-03 |
| GB1380140A (en) | 1975-01-08 |