CH1455271A4 - - Google Patents
Info
- Publication number
- CH1455271A4 CH1455271A4 CH1455271D CH1455271D CH1455271A4 CH 1455271 A4 CH1455271 A4 CH 1455271A4 CH 1455271 D CH1455271 D CH 1455271D CH 1455271 D CH1455271 D CH 1455271D CH 1455271 A4 CH1455271 A4 CH 1455271A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
- G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1455271A CH567757B5 (it) | 1971-10-05 | 1971-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1455271A4 true CH1455271A4 (it) | 1975-04-15 |
Family
ID=4401768
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1455271D CH1455271A4 (it) | 1971-10-05 | 1971-10-05 | |
| CH1455271A CH567757B5 (it) | 1971-10-05 | 1971-10-05 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1455271A CH567757B5 (it) | 1971-10-05 | 1971-10-05 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3939689A (it) |
| CH (2) | CH1455271A4 (it) |
| FR (1) | FR2155526A5 (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4014205A (en) * | 1976-05-17 | 1977-03-29 | Wells Larry L | Electronic clock regulator |
| CH623196B (fr) * | 1978-10-30 | Portescap | Procede de mesure d'une grandeur caracteristique du fonctionnement d'un mouvement d'horlogerie et dispositif generateur d'impulsions de chronometrage destinees a la mise en oeuvre de ce procede. | |
| US9743206B2 (en) | 2015-06-22 | 2017-08-22 | Audyssey Laboratories, Inc. | Background noise measurement from a repeated stimulus measurement system |
| US10375473B2 (en) * | 2016-09-20 | 2019-08-06 | Vocollect, Inc. | Distributed environmental microphones to minimize noise during speech recognition |
| EP3812847B1 (fr) * | 2019-10-21 | 2022-06-15 | The Swatch Group Research and Development Ltd | Système de mesure pour plusieurs mouvements horlogers mécaniques |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2931217A (en) * | 1955-10-27 | 1960-04-05 | William K Squires | Electronic timing apparatus |
| CH1143562A4 (it) * | 1962-09-29 | 1963-12-31 | ||
| CH436144A (fr) * | 1965-01-13 | 1967-01-31 | Portescap Le Porte | Procédé pour enregistrer la marche d'un mouvement d'horlogerie à l'aide d'un chronocomparateur et dispositif pour la mise en oeuvre de ce procédé |
| US3370456A (en) * | 1966-02-18 | 1968-02-27 | Portescan Le Porte Echanpement | Timepiece testing apparatus |
| GB1273429A (en) * | 1969-08-01 | 1972-05-10 | Standard Telephones Cables Ltd | Improvements in or relating to measuring instruments |
| US3777547A (en) * | 1970-07-22 | 1973-12-11 | Denshi Kohgyo Co Ltd | Time rate measuring system for clocks and watches |
| US3868845A (en) * | 1971-01-20 | 1975-03-04 | Citizen Watch Co Ltd | Apparatus for measuring a difference in time intervals of a timepiece |
-
1971
- 1971-10-05 CH CH1455271D patent/CH1455271A4/xx unknown
- 1971-10-05 CH CH1455271A patent/CH567757B5/xx not_active IP Right Cessation
-
1972
- 1972-09-29 US US05/293,642 patent/US3939689A/en not_active Expired - Lifetime
- 1972-10-03 FR FR7234982A patent/FR2155526A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2245723A1 (de) | 1973-04-19 |
| US3939689A (en) | 1976-02-24 |
| DE2245723B2 (de) | 1975-10-02 |
| CH567757B5 (it) | 1975-10-15 |
| FR2155526A5 (it) | 1973-05-18 |