FIELD: sports equipment. SUBSTANCE: apparatus has N sources 1 and N radiation receivers 2 positioned in vertical plane, information processing unit 3 and indicator 4. Information processing unit 3 has threshold elements 5, signal selector 6, computer 7. EFFECT: increased efficiency, improved convenience and enhanced reliability in operation. 4 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| JUMP LENGTH MEASUREMENT APPARATUS | 1987 |
|
SU1591233A1 |
| DEVICE FOR DETERMINING OPTIMUM TRAJECTORIES | 0 |
|
SU1223240A1 |
| SYSTEM FOR TRANSMITTING AND RECEIVING INFORMATION BY VARIABLE-LENGTH CODE | 1996 |
|
RU2123765C1 |
| DEVICE FOR PSYCHOLOGICAL EXAMINATIONS | 0 |
|
SU1621879A1 |
| SIGNATURE ANALYSER | 0 |
|
SU1140123A1 |
| RANDOM SEQUENCE GENERATOR | 0 |
|
SU962933A1 |
| DEVICE FOR MAGNETIC RECORDING AND REPRODUCING OF TWO-FREQUENCY SIGNALS | 0 |
|
SU1129648A1 |
| DEVICE FOR MEASURING ELECTRIC RESISTANCE OF ACUPUNCTURE POINTS | 1992 |
|
RU2027403C1 |
| SELF-CONTAINED NAVIGATIONAL INSTRUMENT | 1994 |
|
RU2098767C1 |
| DEVICE FOR MEASURING TWIST ANGLE OF ROTARY SHAFT | 0 |
|
SU1795312A1 |
Authors
Dates
1996-11-20—Published
1987-04-16—Filed