BE404403A - - Google Patents
Info
- Publication number
- BE404403A BE404403A BE404403DA BE404403A BE 404403 A BE404403 A BE 404403A BE 404403D A BE404403D A BE 404403DA BE 404403 A BE404403 A BE 404403A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/04—Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
- F41J5/041—Targets comprising two sets of electric contacts forming a coordinate system grid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO184654X | 1933-07-27 | ||
| RO90234X | 1934-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404403A true BE404403A (de) |
Family
ID=26653464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404403D BE404403A (de) | 1933-07-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2108919A (de) |
| BE (1) | BE404403A (de) |
| CH (1) | CH184654A (de) |
| DE (1) | DE642231C (de) |
| FR (1) | FR780303A (de) |
| GB (1) | GB442218A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2557437A (en) * | 1945-02-17 | 1951-06-19 | Sunbeam Corp | Magazine type recording apparatus |
| DE945903C (de) * | 1953-08-14 | 1956-07-19 | Karl Kohler | Mechanische Zielscheibe mit einer elektrischen Anzeigevorrichtung und einer Markiervorrichtung auf Zielkarten |
| US2916289A (en) * | 1955-08-01 | 1959-12-08 | American Mach & Foundry | Impact indicating system |
| US2973964A (en) * | 1955-08-01 | 1961-03-07 | American Mach & Foundry | Impact indicating system |
| US4222563A (en) * | 1979-03-30 | 1980-09-16 | Heftler Thomas E | Paddle for playing platform tennis, paddle ball and the like |
| US7862045B2 (en) * | 2004-02-10 | 2011-01-04 | Bruce Hodge | Method and apparatus for determining and retrieving positional information |
| US8947108B2 (en) | 2012-02-24 | 2015-02-03 | Bruce Hodge | Precision target methods and apparatus |
| CN112037367B (zh) * | 2020-09-14 | 2022-11-18 | 深圳市富德康电子有限公司 | 一种具有蓝牙功能的智能行车记录仪 |
-
0
- BE BE404403D patent/BE404403A/xx unknown
-
1934
- 1934-07-23 US US736583A patent/US2108919A/en not_active Expired - Lifetime
- 1934-07-26 FR FR780303D patent/FR780303A/fr not_active Expired
- 1934-07-26 CH CH184654D patent/CH184654A/de unknown
- 1934-07-26 GB GB21919/34A patent/GB442218A/en not_active Expired
- 1934-07-27 DE DEG88527D patent/DE642231C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE642231C (de) | 1937-02-27 |
| FR780303A (fr) | 1935-04-23 |
| CH184654A (de) | 1936-06-15 |
| US2108919A (en) | 1938-02-22 |
| GB442218A (en) | 1936-01-27 |