GB2090029B - System for marking the occurrence of m levels in a time varying predetermined waveform - Google Patents

System for marking the occurrence of m levels in a time varying predetermined waveform

Info

Publication number
GB2090029B
GB2090029B GB8114949A GB8114949A GB2090029B GB 2090029 B GB2090029 B GB 2090029B GB 8114949 A GB8114949 A GB 8114949A GB 8114949 A GB8114949 A GB 8114949A GB 2090029 B GB2090029 B GB 2090029B
Authority
GB
United Kingdom
Prior art keywords
marking
occurrence
levels
time varying
predetermined waveform
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.)
Expired
Application number
GB8114949A
Other versions
GB2090029A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicare Corp
RCA Corp
Original Assignee
Technicare Corp
RCA Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Technicare Corp, RCA Corp filed Critical Technicare Corp
Priority claimed from US05/964,898 external-priority patent/US4197751A/en
Publication of GB2090029A publication Critical patent/GB2090029A/en
Application granted granted Critical
Publication of GB2090029B publication Critical patent/GB2090029B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
    • G10K11/355—Arcuate movement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G01N29/0645—Display representation or displayed parameters, e.g. A-, B- or C-Scan

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
GB8114949A 1977-12-12 1978-12-05 System for marking the occurrence of m levels in a time varying predetermined waveform Expired GB2090029B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5168477 1977-12-12
US05/964,898 US4197751A (en) 1977-12-12 1978-12-05 Pulse-echo ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer

Publications (2)

Publication Number Publication Date
GB2090029A GB2090029A (en) 1982-06-30
GB2090029B true GB2090029B (en) 1983-01-19

Family

ID=26266919

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8114949A Expired GB2090029B (en) 1977-12-12 1978-12-05 System for marking the occurrence of m levels in a time varying predetermined waveform
GB7927201A Expired GB2036315B (en) 1977-12-12 1978-12-05 Pulseecho ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7927201A Expired GB2036315B (en) 1977-12-12 1978-12-05 Pulseecho ultrasonic wave-energy imaging system incorporating high-angular velocity oscillated transducer

Country Status (1)

Country Link
GB (2) GB2090029B (en)

Also Published As

Publication number Publication date
GB2036315A (en) 1980-06-25
GB2036315B (en) 1983-01-12
GB2090029A (en) 1982-06-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee