IT8748196A0 - Dispositivo segnatempo differenziale - Google Patents
Dispositivo segnatempo differenzialeInfo
- Publication number
- IT8748196A0 IT8748196A0 IT8748196A IT4819687A IT8748196A0 IT 8748196 A0 IT8748196 A0 IT 8748196A0 IT 8748196 A IT8748196 A IT 8748196A IT 4819687 A IT4819687 A IT 4819687A IT 8748196 A0 IT8748196 A0 IT 8748196A0
- Authority
- IT
- Italy
- Prior art keywords
- differential
- timekeeping device
- timekeeping
- differential timekeeping
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
- G04F8/006—Apparatus for measuring unknown time intervals by electromechanical means running only during the time interval to be measured, e.g. stop-watch
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/906,856 US4681463A (en) | 1986-09-12 | 1986-09-12 | Differential timer |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8748196A0 true IT8748196A0 (it) | 1987-07-20 |
IT1211660B IT1211660B (it) | 1989-11-03 |
Family
ID=25423097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8748196A IT1211660B (it) | 1986-09-12 | 1987-07-20 | Dispositivo segnatempo differenziale |
Country Status (3)
Country | Link |
---|---|
US (1) | US4681463A (it) |
DE (1) | DE3715416A1 (it) |
IT (1) | IT1211660B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5010533A (en) * | 1988-10-20 | 1991-04-23 | Bernard Weinstein | Dial face for clock or watch |
US20030179653A1 (en) * | 2002-02-25 | 2003-09-25 | Mclemore John D. | Cooking facilitator |
US20030230848A1 (en) * | 2002-04-30 | 2003-12-18 | Mellerowicz Paul A. | Methods and systems for word gaming |
US20050243655A1 (en) * | 2004-04-19 | 2005-11-03 | Mccutcheon Shawn | Programmable analog display timer system |
US7887232B1 (en) * | 2009-08-20 | 2011-02-15 | Jones Jr Royal C | Minimum-speed game timer |
US8547801B2 (en) * | 2010-07-29 | 2013-10-01 | Courtney Anne Zorn | Stop light go light timer |
EP2881810B1 (fr) * | 2013-12-03 | 2021-02-24 | ETA SA Manufacture Horlogère Suisse | Procédé d'affichage de tendance sur chronométrage et pièce d'horlogerie associée |
US9921550B2 (en) | 2015-12-13 | 2018-03-20 | William Holden | Collapsible chess clock |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539754A (en) * | 1951-01-30 | Timing | ||
DE281468C (it) * | 1913-04-16 | |||
US3698180A (en) * | 1971-08-06 | 1972-10-17 | Emil Klein | Automatic chess time indicator |
US3878675A (en) * | 1974-05-13 | 1975-04-22 | Anatol Prociuk | Spaced chess clocks |
US4021046A (en) * | 1975-02-10 | 1977-05-03 | Marvin Glass & Associates | Accumulative comparative timing device |
US3961473A (en) * | 1975-03-06 | 1976-06-08 | George Hung | Electronic chess timer |
US3984109A (en) * | 1975-08-20 | 1976-10-05 | Lawrence Peska Associates, Inc. | Lighted chess game |
US4362393A (en) * | 1980-11-17 | 1982-12-07 | Tissot Pierre L | Chess clock |
DE3505263A1 (de) * | 1985-02-15 | 1986-08-21 | Dr. Schwab Gesellschaft für Technologieberatung mbH, 8000 München | Elektronische schachuhr |
-
1986
- 1986-09-12 US US06/906,856 patent/US4681463A/en not_active Expired - Fee Related
-
1987
- 1987-05-08 DE DE19873715416 patent/DE3715416A1/de not_active Ceased
- 1987-07-20 IT IT8748196A patent/IT1211660B/it active
Also Published As
Publication number | Publication date |
---|---|
DE3715416A1 (de) | 1988-03-17 |
US4681463A (en) | 1987-07-21 |
IT1211660B (it) | 1989-11-03 |
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