FR2138807B1 - - Google Patents
Info
- Publication number
- FR2138807B1 FR2138807B1 FR7218079A FR7218079A FR2138807B1 FR 2138807 B1 FR2138807 B1 FR 2138807B1 FR 7218079 A FR7218079 A FR 7218079A FR 7218079 A FR7218079 A FR 7218079A FR 2138807 B1 FR2138807 B1 FR 2138807B1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/354—Astable circuits
- H03K3/3545—Stabilisation of output, e.g. using crystal
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1616071A GB1394821A (en) | 1971-05-20 | 1971-05-20 | Electrical systems for producing oscillating signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2138807A1 FR2138807A1 (en) | 1973-01-05 |
| FR2138807B1 true FR2138807B1 (en) | 1973-07-13 |
Family
ID=10072248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7218079A Expired FR2138807B1 (en) | 1971-05-20 | 1972-05-19 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2224127A1 (en) |
| FR (1) | FR2138807B1 (en) |
| GB (1) | GB1394821A (en) |
| IT (1) | IT957945B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433920A (en) * | 1980-07-08 | 1984-02-28 | Citizen Watch Company Limited | Electronic timepiece having improved primary frequency divider response characteristics |
-
1971
- 1971-05-20 GB GB1616071A patent/GB1394821A/en not_active Expired
-
1972
- 1972-05-17 DE DE19722224127 patent/DE2224127A1/en active Pending
- 1972-05-18 IT IT5033972A patent/IT957945B/en active
- 1972-05-19 FR FR7218079A patent/FR2138807B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2138807A1 (en) | 1973-01-05 |
| GB1394821A (en) | 1975-05-21 |
| DE2224127A1 (en) | 1972-11-30 |
| IT957945B (en) | 1973-10-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |