US5251631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic imaging apparatus
Assignee: Toshiba Corp
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Filing: 1991-11-06
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Granted: 1993-10-12
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Expires: 2011-11-06
Abstract
Abstract An ultrasonic imaging apparatus comprising the main body containing a transmission system, a reception system composed of a plurality of receiving sections, a signal processing system, a display system, and a first connector, a probe unit containing a plurality of transducers, a second connector for connecting the probe unit to the first connector of the main body in a detachable manner, a memory in stalled in the second connector for storing data to calibrate at least one of the sensitivity and phase characteristics for each of the plurality of transducers, and a calibration circuit installed in the main body for retrieving stored data from the memory and calibrating one of sensitivity and phase characteristics for each of the plurality of receiving sections of the reception system.
Inventors
- 👤 Masayoshi Tsuchiko
- 👤 Hiromi Maekawa
- 👤 Kazunari Nakata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:07
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/52017; G01S7/5205; A; A61; A61B; A61B8/00; A61B8/44; A61B8/4438; A61B8/58; A61B8/585; G01D; G01D18/00; G01D18/008; G01D3/00; G01D3/02; G01D3/022
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
169 words
An ultrasonic imaging apparatus comprising: a main body including at least a transmission system, a reception system having a plurality of receiving sections, a signal processing system, a display system, and a first connector; probe means including a plurality of transducers; a second connector for connecting the probe means to the first connector of the main body in a detachable manner; data storage means installed in the second connector for storing data on a transducer channel parameter for each of the plurality of transducers, the transducer channel parameter being at least one of a sensitivity level and a phase difference between transducer channels inherent to the probe means; and calibration means installed in the main body for retrieving stored data from the data storage means and for calibrating a receiving channel parameter for each of the plurality of receiving sections of the reception system, the receiving channel parameter being at least one of a sensitivity level and a phase difference between the transducer channels inherent to the reception system.
Claim 2
Dependent Claim
169 words
An ultrasonic imaging apparatus comprising: a main body including at least a transmission system, a reception system having a plurality of receiving sections, a signal processing system, a display system, and a first connector; probe means including a plurality of transducers; a second connector for connecting the probe means to the first connector of the main body in a detachable manner; data storage means installed in the second connector for storing data on a transducer channel parameter for each of the plurality of transducers, the transducer channel parameter being at least one of a sensitivity level and a phase difference between transducer channels inherent to the probe means; and calibration means installed in the main body for retrieving stored data from the data storage means and for calibrating a receiving channel parameter for each of the plurality of receiving sections of the reception system, the receiving channel parameter being at least one of a sensitivity level and a phase difference between the transducer channels inherent to the reception system.
Claim 3
Dependent Claim
29 words
An ultrasonic imaging apparatus according to claim 1, wherein the calibration means includes means for measuring data on the transducer channel parameter for each of the plurality of transducers.
Claim 4
Dependent Claim
35 words
An ultrasonic imaging apparatus according to claim 1, wherein the calibration means includes standard data retaining means for retaining standard data on at least one of the transducer channel parameter and the receiving channel parameter.
Claim 5
Dependent Claim
25 words
An ultrasonic imaging apparatus according to claim 1, wherein the plurality of receiving sections of the reception system include a plurality of analog receiving sections.
Claim 6
Dependent Claim
25 words
An ultrasonic imaging apparatus according to claim 1, wherein the plurality of receiving sections of the reception system include a plurality of digital receiving sections.
Claim 7
Dependent Claim
40 words
An ultrasonic imaging apparatus according to claim 1, wherein the probe means includes a transducer section including the plurality of transducers and a cable having one end connected to the transducer section and another end connected to the second connector.
Claim 8
Dependent Claim
179 words
An ultrasonic imaging apparatus comprising: a main body including at least a transmission system, a reception system having a plurality of receiving sections, a signal processing system, and a display system; probe means including a plurality of transducers, the probe means being connected to the main body in a detachable manner; data storage means installed in the main body for storing data on a transducer channel parameter for each of the plurality of transducers, the transducer channel parameter being at least one of a sensitivity level and a phase difference between transducer channels inherent to the probe means; and calibration means installed in the main body for retrieving data corresponding to the probe means connected to the main body from the stored data in the data storage means and, based on the retrieved data, for calibrating at least a receiving channel parameter for each of the plurality of receiving sections of the reception system, the receiving channel parameter being at least one of a sensitivity level and a phase difference between the transducer channels inherent to the probe means.
Claim 9
Dependent Claim
179 words
An ultrasonic imaging apparatus comprising: a main body including at least a transmission system, a reception system having a plurality of receiving sections, a signal processing system, and a display system; probe means including a plurality of transducers, the probe means being connected to the main body in a detachable manner; data storage means installed in the main body for storing data on a transducer channel parameter for each of the plurality of transducers, the transducer channel parameter being at least one of a sensitivity level and a phase difference between transducer channels inherent to the probe means; and calibration means installed in the main body for retrieving data corresponding to the probe means connected to the main body from the stored data in the data storage means and, based on the retrieved data, for calibrating at least a receiving channel parameter for each of the plurality of receiving sections of the reception system, the receiving channel parameter being at least one of a sensitivity level and a phase difference between the transducer channels inherent to the probe means.
Claim 10
Dependent Claim
29 words
An ultrasonic imaging apparatus according to claim 7, wherein the calibration means includes means for measuring data on the transducer channel parameter for each of the plurality of transducers.
Claim 11
Dependent Claim
25 words
An ultrasonic imaging apparatus according to claim 7, wherein the plurality of receiving sections of the reception system include a plurality of analog receiving sections.
Claim 12
Dependent Claim
25 words
An ultrasonic imaging apparatus according to claim 7, wherein the plurality of receiving sections of the reception system include a plurality of digital receiving sections.
Claim 13
Dependent Claim
30 words
An ultrasonic imaging apparatus according to claim 7, wherein the data storage means is one of a semiconductor memory element, IC card, flexible magnetic floppy disk, and hard magnetic disk.
Claim 14
Dependent Claim
70 words
An ultrasonic imaging apparatus according to claim 7, wherein the probe means includes a transducer section including the plurality of transducers, a cable having one end connected to the transducer section, and a connector for connecting another end of the cable to at least the transmission system and reception system, and the connector including means for generating data to identify specifications of the probe means connected to the main body.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-11 | 1997-04-12 | 1997-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-11 | 2001-04-12 | 2001-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-11 | 2005-04-12 | 2005-10-12 | $7700.00 | Window Closed / Lapsed |