BR7706742A - Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico - Google Patents
Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronicoInfo
- Publication number
- BR7706742A BR7706742A BR7706742A BR7706742A BR7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A BR 7706742 A BR7706742 A BR 7706742A
- Authority
- BR
- Brazil
- Prior art keywords
- measurement
- installation
- electronic watch
- operating accuracy
- accuracy
- Prior art date
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
- G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Tests Of Electronic Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2646511A DE2646511C3 (de) | 1976-10-15 | 1976-10-15 | Verfahren und Einrichtung zum Messen der Ganggenauigkeit einer elektronischen Uhr |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7706742A true BR7706742A (pt) | 1978-08-01 |
Family
ID=5990487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7706742A BR7706742A (pt) | 1976-10-15 | 1977-10-10 | Processo e instalacao para a medida da exatidao de funcionamento de um relogio eletronico |
Country Status (7)
Country | Link |
---|---|
US (1) | US4142147A (pt) |
JP (1) | JPS5350771A (pt) |
BR (1) | BR7706742A (pt) |
DE (1) | DE2646511C3 (pt) |
FR (1) | FR2368072A1 (pt) |
GB (1) | GB1570745A (pt) |
IT (1) | IT1087062B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140939A (en) * | 1983-04-13 | 1984-12-05 | John Henry Noble | Timepiece regulating system |
US12000886B2 (en) * | 2017-12-04 | 2024-06-04 | Aktiebolaget Skf | Self-test circuit and a method of checking the integrity of a signal through a signal path |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013208A (en) * | 1959-02-12 | 1961-12-12 | Voznak Edwin | Means for improving the resolution of a digital timer |
US3777547A (en) * | 1970-07-22 | 1973-12-11 | Denshi Kohgyo Co Ltd | Time rate measuring system for clocks and watches |
-
1976
- 1976-10-15 DE DE2646511A patent/DE2646511C3/de not_active Expired
-
1977
- 1977-09-05 FR FR7726801A patent/FR2368072A1/fr active Granted
- 1977-09-27 US US05/837,281 patent/US4142147A/en not_active Expired - Lifetime
- 1977-10-10 BR BR7706742A patent/BR7706742A/pt unknown
- 1977-10-12 JP JP12230577A patent/JPS5350771A/ja active Pending
- 1977-10-13 IT IT28546/77A patent/IT1087062B/it active
- 1977-10-14 GB GB42874/77A patent/GB1570745A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1087062B (it) | 1985-05-31 |
DE2646511A1 (de) | 1978-04-20 |
FR2368072A1 (fr) | 1978-05-12 |
DE2646511C3 (de) | 1979-07-12 |
US4142147A (en) | 1979-02-27 |
JPS5350771A (en) | 1978-05-09 |
FR2368072B3 (pt) | 1980-05-16 |
GB1570745A (en) | 1980-07-09 |
DE2646511B2 (de) | 1978-11-02 |
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