Ultrasonic echogram display
US4031743A · kind A · utility
12Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1976 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Jan 15, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S367/90
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of pulse-echo ultrasonic examination of an object particularly in medical diagnostic examination, comprises the stepwise increase of the gain of the equipment to compensate for loss of energy as echoes are received from reflecting surfaces deeper within the object and cyclic alteration of the gain at each step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.