DE2452440A1 - Vorrichtung zur bestimmung der ankunft von schwimmern an einem punkt eines schwimmbeckens - Google Patents
Vorrichtung zur bestimmung der ankunft von schwimmern an einem punkt eines schwimmbeckensInfo
- Publication number
- DE2452440A1 DE2452440A1 DE19742452440 DE2452440A DE2452440A1 DE 2452440 A1 DE2452440 A1 DE 2452440A1 DE 19742452440 DE19742452440 DE 19742452440 DE 2452440 A DE2452440 A DE 2452440A DE 2452440 A1 DE2452440 A1 DE 2452440A1
- Authority
- DE
- Germany
- Prior art keywords
- stop plate
- arrival
- plate
- piezoelectric transducer
- piezoelectric
- Prior art date
- 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.)
- Ceased
Links
- 230000009182 swimming Effects 0.000 title claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 241000501447 Notonectidae Species 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/22—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people in connection with sports or games
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/12—Arrangements in swimming pools for teaching swimming or for training
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Push-Button Switches (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1124074A CH580309A5 (en, 2012) | 1974-08-16 | 1974-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2452440A1 true DE2452440A1 (de) | 1976-03-04 |
Family
ID=4371512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742452440 Ceased DE2452440A1 (de) | 1974-08-16 | 1974-11-05 | Vorrichtung zur bestimmung der ankunft von schwimmern an einem punkt eines schwimmbeckens |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5152876A (en, 2012) |
| BE (1) | BE832084A (en, 2012) |
| CH (1) | CH580309A5 (en, 2012) |
| DE (1) | DE2452440A1 (en, 2012) |
| FR (1) | FR2282131A1 (en, 2012) |
| IT (1) | IT1041234B (en, 2012) |
| LU (1) | LU73209A1 (en, 2012) |
| NL (1) | NL7509672A (en, 2012) |
| SE (1) | SE403327B (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5479485U (en, 2012) * | 1977-11-17 | 1979-06-06 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH506835A (de) * | 1969-12-23 | 1971-04-30 | Omega Brandt & Freres Sa Louis | Zeitmesseinrichtung für Wettschwimmen |
| US3678496A (en) * | 1970-04-20 | 1972-07-18 | Data Time | Touch-operated signal producer |
-
1974
- 1974-08-16 CH CH1124074A patent/CH580309A5/xx not_active IP Right Cessation
- 1974-11-05 DE DE19742452440 patent/DE2452440A1/de not_active Ceased
-
1975
- 1975-07-31 FR FR7523992A patent/FR2282131A1/fr active Granted
- 1975-08-04 BE BE158909A patent/BE832084A/xx not_active IP Right Cessation
- 1975-08-07 SE SE7508893A patent/SE403327B/xx not_active IP Right Cessation
- 1975-08-12 IT IT50940/75A patent/IT1041234B/it active
- 1975-08-14 LU LU73209A patent/LU73209A1/xx unknown
- 1975-08-14 NL NL7509672A patent/NL7509672A/xx not_active Application Discontinuation
- 1975-08-15 JP JP50099448A patent/JPS5152876A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7509672A (nl) | 1976-02-18 |
| CH580309A5 (en, 2012) | 1976-09-30 |
| IT1041234B (it) | 1980-01-10 |
| JPS5152876A (en) | 1976-05-10 |
| FR2282131A1 (fr) | 1976-03-12 |
| SE403327B (sv) | 1978-08-07 |
| FR2282131B1 (en, 2012) | 1981-09-25 |
| SE7508893L (en, 2012) | 1976-02-17 |
| BE832084A (fr) | 1975-12-01 |
| LU73209A1 (en, 2012) | 1976-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G07C 1/24 |
|
| 8131 | Rejection |